2502e3b7ba
Convert "denormal-fp-math" and "denormal-fp-math-f32" into a first class denormal_fpenv attribute. Previously the query for the effective denormal mode involved two string attribute queries with parsing. I'm introducing more uses of this, so it makes sense to convert this to a more efficient encoding. The old representation was also awkward since it was split across two separate attributes. The new encoding just stores the default and float modes as bitfields, largely avoiding the need to consider if the other mode is set. The syntax in the common cases looks like this: `denormal_fpenv(preservesign,preservesign)` `denormal_fpenv(float: preservesign,preservesign)` `denormal_fpenv(dynamic,dynamic float: preservesign,preservesign)` I wasn't sure about reusing the float type name instead of adding a new keyword. It's parsed as a type but only accepts float. I'm also debating switching the name to subnormal to match the current preferred IEEE terminology (also used by nofpclass and other contexts). This has a behavior change when using the command flag debug options to set the denormal mode. The behavior of the flag ignored functions with an explicit attribute set, per the default and f32 version. Now that these are one attribute, the flag logic can't distinguish which of the two components were explicitly set on the function. Only one test appeared to rely on this behavior, so I just avoided using the flags in it. This also does not perform all the code cleanups this enables. In particular the attributor handling could be cleaned up. I also guessed at how to support this in MLIR. I followed MemoryEffects as a reference; it appears bitfields are expanded into arguments to attributes, so the representation there is a bit uglier with the 2 2-element fields flattened into 4 arguments.
674 lines
28 KiB
LLVM
674 lines
28 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=fiji < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
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; Mostly overlaps with fmed3.ll to stress specific cases of
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; isKnownNeverSNaN.
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define float @v_test_known_not_snan_fabs_input_fmed3_r_i_i_f32(float %a) #0 {
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; GCN-LABEL: v_test_known_not_snan_fabs_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_rcp_f32_e32 v0, v0
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; GCN-NEXT: v_med3_f32 v0, |v0|, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%a.nnan.add = fdiv nnan float 1.0, %a, !fpmath !0
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%known.not.snan = call float @llvm.fabs.f32(float %a.nnan.add)
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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define float @v_test_known_not_snan_fneg_input_fmed3_r_i_i_f32(float %a) #0 {
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; GCN-LABEL: v_test_known_not_snan_fneg_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_rcp_f32_e32 v0, v0
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; GCN-NEXT: v_med3_f32 v0, -v0, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%a.nnan.add = fdiv nnan float 1.0, %a, !fpmath !0
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%known.not.snan = fneg float %a.nnan.add
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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define float @v_test_known_not_snan_fpext_input_fmed3_r_i_i_f32(half %a) #0 {
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; GCN-LABEL: v_test_known_not_snan_fpext_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_add_f16_e32 v0, 1.0, v0
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; GCN-NEXT: v_cvt_f32_f16_e32 v0, v0
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; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%a.nnan.add = fadd nnan half %a, 1.0
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%known.not.snan = fpext half %a.nnan.add to float
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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define float @v_test_known_not_snan_fptrunc_input_fmed3_r_i_i_f32(double %a) #0 {
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; GCN-LABEL: v_test_known_not_snan_fptrunc_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_add_f64 v[0:1], v[0:1], 1.0
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; GCN-NEXT: v_cvt_f32_f64_e32 v0, v[0:1]
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; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%a.nnan.add = fadd nnan double %a, 1.0
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%known.not.snan = fptrunc double %a.nnan.add to float
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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define float @v_test_known_not_snan_copysign_input_fmed3_r_i_i_f32(float %a, float %sign) #0 {
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; GCN-LABEL: v_test_known_not_snan_copysign_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_rcp_f32_e32 v0, v0
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; GCN-NEXT: s_brev_b32 s4, -2
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; GCN-NEXT: v_bfi_b32 v0, s4, v0, v1
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; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%a.nnan.add = fdiv nnan float 1.0, %a, !fpmath !0
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%known.not.snan = call float @llvm.copysign.f32(float %a.nnan.add, float %sign)
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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; Canonicalize always quiets, so nothing is necessary.
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define float @v_test_known_canonicalize_input_fmed3_r_i_i_f32(float %a) #0 {
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; GCN-LABEL: v_test_known_canonicalize_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_mul_f32_e32 v0, 1.0, v0
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; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%known.not.snan = call float @llvm.canonicalize.f32(float %a)
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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define float @v_test_known_not_snan_minnum_input_fmed3_r_i_i_f32(float %a, float %b) #0 {
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; GCN-LABEL: v_test_known_not_snan_minnum_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_rcp_f32_e32 v0, v0
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; GCN-NEXT: v_add_f32_e32 v1, 1.0, v1
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; GCN-NEXT: v_min_f32_e32 v0, v0, v1
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; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%a.nnan.add = fdiv nnan float 1.0, %a, !fpmath !0
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%b.nnan.add = fadd nnan float %b, 1.0
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%known.not.snan = call float @llvm.minnum.f32(float %a.nnan.add, float %b.nnan.add)
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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define float @v_test_known_not_minnum_maybe_nan_src0_input_fmed3_r_i_i_f32(float %a, float %b) #0 {
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; GCN-LABEL: v_test_known_not_minnum_maybe_nan_src0_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_add_f32_e32 v1, 1.0, v1
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; GCN-NEXT: v_mul_f32_e32 v0, 1.0, v0
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; GCN-NEXT: v_min_f32_e32 v0, v0, v1
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; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%b.nsnan = fadd float %b, 1.0
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%known.not.snan = call float @llvm.minnum.f32(float %a, float %b.nsnan)
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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define float @v_test_known_not_minnum_maybe_nan_src1_input_fmed3_r_i_i_f32(float %a, float %b) #0 {
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; GCN-LABEL: v_test_known_not_minnum_maybe_nan_src1_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_add_f32_e32 v0, 1.0, v0
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; GCN-NEXT: v_mul_f32_e32 v1, 1.0, v1
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; GCN-NEXT: v_min_f32_e32 v0, v0, v1
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; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%a.nsnan = fadd float %a, 1.0
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%known.not.snan = call float @llvm.minnum.f32(float %a.nsnan, float %b)
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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define float @v_minnum_possible_nan_lhs_input_fmed3_r_i_i_f32(float %a, float %b) #0 {
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; GCN-LABEL: v_minnum_possible_nan_lhs_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_add_f32_e32 v1, 1.0, v1
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; GCN-NEXT: v_mul_f32_e32 v0, 1.0, v0
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; GCN-NEXT: v_min_f32_e32 v0, v0, v1
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; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%b.nnan.add = fadd nnan float %b, 1.0
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%known.not.snan = call float @llvm.minnum.f32(float %a, float %b.nnan.add)
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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define float @v_minnum_possible_nan_rhs_input_fmed3_r_i_i_f32(float %a, float %b) #0 {
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; GCN-LABEL: v_minnum_possible_nan_rhs_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_rcp_f32_e32 v0, v0
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; GCN-NEXT: v_mul_f32_e32 v1, 1.0, v1
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; GCN-NEXT: v_min_f32_e32 v0, v0, v1
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; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%a.nnan.add = fdiv nnan float 1.0, %a, !fpmath !0
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%known.not.snan = call float @llvm.minnum.f32(float %a.nnan.add, float %b)
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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define float @v_test_known_not_snan_maxnum_input_fmed3_r_i_i_f32(float %a, float %b) #0 {
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; GCN-LABEL: v_test_known_not_snan_maxnum_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_rcp_f32_e32 v0, v0
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; GCN-NEXT: v_add_f32_e32 v1, 1.0, v1
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; GCN-NEXT: v_max_f32_e32 v0, v0, v1
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; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%a.nnan.add = fdiv nnan float 1.0, %a, !fpmath !0
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%b.nnan.add = fadd nnan float %b, 1.0
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%known.not.snan = call float @llvm.maxnum.f32(float %a.nnan.add, float %b.nnan.add)
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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define float @v_maxnum_possible_nan_lhs_input_fmed3_r_i_i_f32(float %a, float %b) #0 {
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; GCN-LABEL: v_maxnum_possible_nan_lhs_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_add_f32_e32 v1, 1.0, v1
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; GCN-NEXT: v_mul_f32_e32 v0, 1.0, v0
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; GCN-NEXT: v_max_f32_e32 v0, v0, v1
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; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%b.nnan.add = fadd nnan float %b, 1.0
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%known.not.snan = call float @llvm.maxnum.f32(float %a, float %b.nnan.add)
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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define float @v_maxnum_possible_nan_rhs_input_fmed3_r_i_i_f32(float %a, float %b) #0 {
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; GCN-LABEL: v_maxnum_possible_nan_rhs_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_rcp_f32_e32 v0, v0
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; GCN-NEXT: v_mul_f32_e32 v1, 1.0, v1
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; GCN-NEXT: v_max_f32_e32 v0, v0, v1
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; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%a.nnan.add = fdiv nnan float 1.0, %a, !fpmath !0
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%known.not.snan = call float @llvm.maxnum.f32(float %a.nnan.add, float %b)
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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define float @v_test_known_not_snan_select_input_fmed3_r_i_i_f32(float %a, float %b, i32 %c) #0 {
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; GCN-LABEL: v_test_known_not_snan_select_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_rcp_f32_e32 v0, v0
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; GCN-NEXT: v_add_f32_e32 v1, 1.0, v1
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; GCN-NEXT: v_cmp_eq_u32_e32 vcc, 0, v2
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; GCN-NEXT: v_cndmask_b32_e32 v0, v1, v0, vcc
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; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%a.nnan.add = fdiv nnan float 1.0, %a, !fpmath !0
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%b.nnan.add = fadd nnan float %b, 1.0
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%cmp = icmp eq i32 %c, 0
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%known.not.snan = select i1 %cmp, float %a.nnan.add, float %b.nnan.add
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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define float @v_select_possible_nan_lhs_input_fmed3_r_i_i_f32(float %a, float %b, i32 %c) #0 {
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; GCN-LABEL: v_select_possible_nan_lhs_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_add_f32_e32 v1, 1.0, v1
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; GCN-NEXT: v_cmp_eq_u32_e32 vcc, 0, v2
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; GCN-NEXT: v_cndmask_b32_e32 v0, v1, v0, vcc
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; GCN-NEXT: v_mul_f32_e32 v0, 1.0, v0
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; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%b.nnan.add = fadd nnan float %b, 1.0
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%cmp = icmp eq i32 %c, 0
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%known.not.snan = select i1 %cmp, float %a, float %b.nnan.add
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%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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ret float %med
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}
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define float @v_select_possible_nan_rhs_input_fmed3_r_i_i_f32(float %a, float %b, i32 %c) #0 {
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; GCN-LABEL: v_select_possible_nan_rhs_input_fmed3_r_i_i_f32:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_rcp_f32_e32 v0, v0
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; GCN-NEXT: v_cmp_eq_u32_e32 vcc, 0, v2
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; GCN-NEXT: v_cndmask_b32_e32 v0, v1, v0, vcc
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; GCN-NEXT: v_mul_f32_e32 v0, 1.0, v0
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|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%a.nnan.add = fdiv nnan float 1.0, %a, !fpmath !0
|
|
%cmp = icmp eq i32 %c, 0
|
|
%known.not.snan = select i1 %cmp, float %a.nnan.add, float %b
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_fadd_input_fmed3_r_i_i_f32(float %a, float %b) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_fadd_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_add_f32_e32 v0, v0, v1
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = fadd float %a, %b
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_fsub_input_fmed3_r_i_i_f32(float %a, float %b) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_fsub_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_sub_f32_e32 v0, v0, v1
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = fsub float %a, %b
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_fmul_input_fmed3_r_i_i_f32(float %a, float %b) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_fmul_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_mul_f32_e32 v0, v0, v1
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = fmul float %a, %b
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_uint_to_fp_input_fmed3_r_i_i_f32(i32 %a) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_uint_to_fp_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_cvt_f32_u32_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = uitofp i32 %a to float
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_sint_to_fp_input_fmed3_r_i_i_f32(i32 %a) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_sint_to_fp_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_cvt_f32_i32_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = sitofp i32 %a to float
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_fma_input_fmed3_r_i_i_f32(float %a, float %b, float %c) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_fma_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_fma_f32 v0, v0, v1, v2
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.fma.f32(float %a, float %b, float %c)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_fmad_input_fmed3_r_i_i_f32(float %a, float %b, float %c) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_fmad_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_mac_f32_e32 v2, v0, v1
|
|
; GCN-NEXT: v_med3_f32 v0, v2, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.fmuladd.f32(float %a, float %b, float %c)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
|
|
define float @v_test_known_not_snan_sin_input_fmed3_r_i_i_f32(float %a) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_sin_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_mul_f32_e32 v0, 0.15915494, v0
|
|
; GCN-NEXT: v_fract_f32_e32 v0, v0
|
|
; GCN-NEXT: v_sin_f32_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.sin.f32(float %a)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_cos_input_fmed3_r_i_i_f32(float %a) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_cos_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_mul_f32_e32 v0, 0.15915494, v0
|
|
; GCN-NEXT: v_fract_f32_e32 v0, v0
|
|
; GCN-NEXT: v_cos_f32_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.cos.f32(float %a)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_exp2_input_fmed3_r_i_i_f32(float %a) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_exp2_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_exp_f32_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.exp2.f32(float %a)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_trunc_input_fmed3_r_i_i_f32(float %a) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_trunc_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_trunc_f32_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.trunc.f32(float %a)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_floor_input_fmed3_r_i_i_f32(float %a) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_floor_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_floor_f32_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.floor.f32(float %a)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_ceil_input_fmed3_r_i_i_f32(float %a) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_ceil_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_floor_f32_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.floor.f32(float %a)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_round_input_fmed3_r_i_i_f32(float %a) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_round_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_trunc_f32_e32 v1, v0
|
|
; GCN-NEXT: v_sub_f32_e32 v2, v0, v1
|
|
; GCN-NEXT: v_cmp_ge_f32_e64 s[4:5], |v2|, 0.5
|
|
; GCN-NEXT: v_cndmask_b32_e64 v2, 0, 1.0, s[4:5]
|
|
; GCN-NEXT: s_brev_b32 s4, -2
|
|
; GCN-NEXT: v_bfi_b32 v0, s4, v2, v0
|
|
; GCN-NEXT: v_add_f32_e32 v0, v1, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.round.f32(float %a)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_rint_input_fmed3_r_i_i_f32(float %a) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_rint_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_rndne_f32_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.rint.f32(float %a)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_nearbyint_input_fmed3_r_i_i_f32(float %a) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_nearbyint_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_rndne_f32_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.nearbyint.f32(float %a)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_fmul_legacy_input_fmed3_r_i_i_f32(float %a, float %b) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_fmul_legacy_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_mul_legacy_f32_e32 v0, v0, v1
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.amdgcn.fmul.legacy(float %a, float %b)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_ldexp_input_fmed3_r_i_i_f32(float %a, i32 %b) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_ldexp_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_ldexp_f32 v0, v0, v1
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.ldexp.f32.i32(float %a, i32 %b)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_fmed3_input_fmed3_r_i_i_f32(float %a, float %b, float %c) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_fmed3_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_med3_f32 v0, v0, v1, v2
|
|
; GCN-NEXT: v_mul_f32_e32 v0, 1.0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.amdgcn.fmed3.f32(float %a, float %b, float %c)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_fmin3_input_fmed3_r_i_i_f32(float %a, float %b, float %c) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_fmin3_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_min3_f32 v0, v0, v1, v2
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%min0 = call float @llvm.minnum.f32(float %a, float %b)
|
|
%known.not.snan = call float @llvm.minnum.f32(float %min0, float %c)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_cvt_ubyte0_input_fmed3_r_i_i_f32(i8 %char) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_cvt_ubyte0_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_cvt_f32_ubyte0_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%cvt = uitofp i8 %char to float
|
|
%max = call float @llvm.maxnum.f32(float %cvt, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_not_known_frexp_mant_input_fmed3_r_i_i_f32(float %arg) #0 {
|
|
; GCN-LABEL: v_test_not_known_frexp_mant_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_frexp_mant_f32_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.amdgcn.frexp.mant.f32(float %arg)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_frexp_mant_input_fmed3_r_i_i_f32(float %arg) #0 {
|
|
; GCN-LABEL: v_test_known_not_frexp_mant_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_add_f32_e32 v0, 1.0, v0
|
|
; GCN-NEXT: v_frexp_mant_f32_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%add = fadd float %arg, 1.0
|
|
%known.not.snan = call float @llvm.amdgcn.frexp.mant.f32(float %add)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_rcp_input_fmed3_r_i_i_f32(float %a) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_rcp_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_rcp_f32_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.amdgcn.rcp.f32(float %a)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
define float @v_test_known_not_snan_rsq_input_fmed3_r_i_i_f32(float %a) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_rsq_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_rsq_f32_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.amdgcn.rsq.f32(float %a)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_fract_input_fmed3_r_i_i_f32(float %a) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_fract_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_fract_f32_e32 v0, v0
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.amdgcn.fract.f32(float %a)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
define float @v_test_known_not_snan_cubeid_input_fmed3_r_i_i_f32(float %a, float %b, float %c) #0 {
|
|
; GCN-LABEL: v_test_known_not_snan_cubeid_input_fmed3_r_i_i_f32:
|
|
; GCN: ; %bb.0:
|
|
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GCN-NEXT: v_cubeid_f32 v0, v0, v1, v2
|
|
; GCN-NEXT: v_med3_f32 v0, v0, 2.0, 4.0
|
|
; GCN-NEXT: s_setpc_b64 s[30:31]
|
|
%known.not.snan = call float @llvm.amdgcn.cubeid(float %a, float %b, float %c)
|
|
%max = call float @llvm.maxnum.f32(float %known.not.snan, float 2.0)
|
|
%med = call float @llvm.minnum.f32(float %max, float 4.0)
|
|
ret float %med
|
|
}
|
|
|
|
declare float @llvm.fabs.f32(float) #1
|
|
declare float @llvm.sin.f32(float) #1
|
|
declare float @llvm.cos.f32(float) #1
|
|
declare float @llvm.exp2.f32(float) #1
|
|
declare float @llvm.trunc.f32(float) #1
|
|
declare float @llvm.floor.f32(float) #1
|
|
declare float @llvm.ceil.f32(float) #1
|
|
declare float @llvm.round.f32(float) #1
|
|
declare float @llvm.rint.f32(float) #1
|
|
declare float @llvm.nearbyint.f32(float) #1
|
|
declare float @llvm.canonicalize.f32(float) #1
|
|
declare float @llvm.minnum.f32(float, float) #1
|
|
declare float @llvm.maxnum.f32(float, float) #1
|
|
declare float @llvm.copysign.f32(float, float) #1
|
|
declare float @llvm.fma.f32(float, float, float) #1
|
|
declare float @llvm.fmuladd.f32(float, float, float) #1
|
|
declare float @llvm.ldexp.f32.i32(float, i32) #1
|
|
declare float @llvm.amdgcn.fmul.legacy(float, float) #1
|
|
declare float @llvm.amdgcn.fmed3.f32(float, float, float) #1
|
|
declare float @llvm.amdgcn.frexp.mant.f32(float) #1
|
|
declare float @llvm.amdgcn.rcp.f32(float) #1
|
|
declare float @llvm.amdgcn.rsq.f32(float) #1
|
|
declare float @llvm.amdgcn.fract.f32(float) #1
|
|
declare float @llvm.amdgcn.cubeid(float, float, float) #0
|
|
|
|
attributes #0 = { nounwind denormal_fpenv(float: preservesign) }
|
|
attributes #1 = { nounwind readnone speculatable }
|
|
|
|
!0 = !{float 2.500000e+00}
|