Reland PR https://github.com/llvm/llvm-project/pull/162352. Fix by excluding SI_PC_ADD_REL_OFFSET from instructions that set SCC = DST!=0. Passes check-libc-amdgcn-amd-amdhsa now. Distribution of instructions that allowed a redundant S_CMP to be deleted in check-libc-amdgcn-amd-amdhsa test: ``` S_AND_B32 485 S_AND_B64 47 S_ANDN2_B32 42 S_ANDN2_B64 277492 S_CSELECT_B64 17631 S_LSHL_B32 6 S_OR_B64 11 ``` --------- Signed-off-by: John Lu <John.Lu@amd.com> Co-authored-by: Matt Arsenault <arsenm2@gmail.com>
365 lines
14 KiB
LLVM
365 lines
14 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
|
|
;; Test that carryout from 64-bit add/sub (synthesized from two 32-bit adds/subs) is utilized
|
|
;; (i.e. no additional compare is generated).
|
|
|
|
; RUN: llc -mtriple=amdgcn-amd-amdpal -mcpu=gfx900 < %s | FileCheck %s
|
|
|
|
%struct.uint96 = type { i64, i32 }
|
|
%struct.uint64pair = type { i64, i64 }
|
|
|
|
declare {i64, i1} @llvm.uadd.with.overflow.i64(i64, i64)
|
|
declare {i64, i1} @llvm.usub.with.overflow.i64(i64, i64)
|
|
|
|
declare {<2 x i64>, <2 x i1>} @llvm.uadd.with.overflow.v2i64(<2 x i64>, <2 x i64>)
|
|
declare {<2 x i64>, <2 x i1>} @llvm.usub.with.overflow.v2i64(<2 x i64>, <2 x i64>)
|
|
|
|
define %struct.uint96 @v_add64_32(i64 %val64A, i64 %val64B, i32 %val32) {
|
|
; CHECK-LABEL: v_add64_32:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: v_add_co_u32_e32 v0, vcc, v0, v2
|
|
; CHECK-NEXT: v_addc_co_u32_e32 v1, vcc, v1, v3, vcc
|
|
; CHECK-NEXT: v_addc_co_u32_e32 v2, vcc, 0, v4, vcc
|
|
; CHECK-NEXT: s_setpc_b64 s[30:31]
|
|
%sum64 = add i64 %val64A, %val64B
|
|
%obit = icmp ult i64 %sum64, %val64A
|
|
%obit32 = zext i1 %obit to i32
|
|
%sum32 = add i32 %val32, %obit32
|
|
%.fca.0.insert = insertvalue %struct.uint96 poison, i64 %sum64, 0
|
|
%.fca.1.insert = insertvalue %struct.uint96 %.fca.0.insert, i32 %sum32, 1
|
|
ret %struct.uint96 %.fca.1.insert
|
|
}
|
|
|
|
define <2 x i64> @v_uadd_v2i64(<2 x i64> %val0, <2 x i64> %val1, ptr %ptrval) {
|
|
; CHECK-LABEL: v_uadd_v2i64:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: v_add_co_u32_e32 v6, vcc, v2, v6
|
|
; CHECK-NEXT: v_add_co_u32_e64 v4, s[4:5], v0, v4
|
|
; CHECK-NEXT: v_addc_co_u32_e32 v7, vcc, v3, v7, vcc
|
|
; CHECK-NEXT: v_addc_co_u32_e64 v5, s[4:5], v1, v5, s[4:5]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v0, 0, -1, s[4:5]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v2, 0, -1, vcc
|
|
; CHECK-NEXT: v_mov_b32_e32 v1, v0
|
|
; CHECK-NEXT: v_mov_b32_e32 v3, v2
|
|
; CHECK-NEXT: flat_store_dwordx4 v[8:9], v[4:7]
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: s_setpc_b64 s[30:31]
|
|
%pair = call {<2 x i64>, <2 x i1>} @llvm.uadd.with.overflow.v2i64(<2 x i64> %val0, <2 x i64> %val1)
|
|
%val = extractvalue {<2 x i64>, <2 x i1>} %pair, 0
|
|
%obit = extractvalue {<2 x i64>, <2 x i1>} %pair, 1
|
|
%res = sext <2 x i1> %obit to <2 x i64>
|
|
store <2 x i64> %val, ptr %ptrval
|
|
ret <2 x i64> %res
|
|
}
|
|
|
|
define <2 x i64> @v_usub_v2i64(<2 x i64> %val0, <2 x i64> %val1, ptr %ptrval) {
|
|
; CHECK-LABEL: v_usub_v2i64:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: v_sub_co_u32_e32 v6, vcc, v2, v6
|
|
; CHECK-NEXT: v_sub_co_u32_e64 v4, s[4:5], v0, v4
|
|
; CHECK-NEXT: v_subb_co_u32_e32 v7, vcc, v3, v7, vcc
|
|
; CHECK-NEXT: v_subb_co_u32_e64 v5, s[4:5], v1, v5, s[4:5]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v0, 0, -1, s[4:5]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v2, 0, -1, vcc
|
|
; CHECK-NEXT: v_mov_b32_e32 v1, v0
|
|
; CHECK-NEXT: v_mov_b32_e32 v3, v2
|
|
; CHECK-NEXT: flat_store_dwordx4 v[8:9], v[4:7]
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: s_setpc_b64 s[30:31]
|
|
%pair = call {<2 x i64>, <2 x i1>} @llvm.usub.with.overflow.v2i64(<2 x i64> %val0, <2 x i64> %val1)
|
|
%val = extractvalue {<2 x i64>, <2 x i1>} %pair, 0
|
|
%obit = extractvalue {<2 x i64>, <2 x i1>} %pair, 1
|
|
%res = sext <2 x i1> %obit to <2 x i64>
|
|
store <2 x i64> %val, ptr %ptrval
|
|
ret <2 x i64> %res
|
|
}
|
|
|
|
define i64 @v_uadd_i64(i64 %val0, i64 %val1, ptr %ptrval) {
|
|
; CHECK-LABEL: v_uadd_i64:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: v_add_co_u32_e32 v0, vcc, v0, v2
|
|
; CHECK-NEXT: v_addc_co_u32_e32 v1, vcc, v1, v3, vcc
|
|
; CHECK-NEXT: flat_store_dwordx2 v[4:5], v[0:1]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v0, 0, -1, vcc
|
|
; CHECK-NEXT: v_mov_b32_e32 v1, v0
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: s_setpc_b64 s[30:31]
|
|
%pair = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %val0, i64 %val1)
|
|
%val = extractvalue {i64, i1} %pair, 0
|
|
%obit = extractvalue {i64, i1} %pair, 1
|
|
%res = sext i1 %obit to i64
|
|
store i64 %val, ptr %ptrval
|
|
ret i64 %res
|
|
}
|
|
|
|
define i64 @v_uadd_p1(i64 %val0, i64 %val1, ptr %ptrval) {
|
|
; CHECK-LABEL: v_uadd_p1:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: v_add_co_u32_e32 v0, vcc, 1, v0
|
|
; CHECK-NEXT: v_addc_co_u32_e32 v1, vcc, 0, v1, vcc
|
|
; CHECK-NEXT: flat_store_dwordx2 v[4:5], v[0:1]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v0, 0, -1, vcc
|
|
; CHECK-NEXT: v_mov_b32_e32 v1, v0
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: s_setpc_b64 s[30:31]
|
|
%pair = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %val0, i64 1)
|
|
%val = extractvalue {i64, i1} %pair, 0
|
|
%obit = extractvalue {i64, i1} %pair, 1
|
|
%res = sext i1 %obit to i64
|
|
store i64 %val, ptr %ptrval
|
|
ret i64 %res
|
|
}
|
|
|
|
define i64 @v_uadd_n1(i64 %val0, i64 %val1, ptr %ptrval) {
|
|
; CHECK-LABEL: v_uadd_n1:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: v_add_co_u32_e32 v2, vcc, -1, v0
|
|
; CHECK-NEXT: v_addc_co_u32_e32 v3, vcc, -1, v1, vcc
|
|
; CHECK-NEXT: v_cmp_ne_u64_e32 vcc, 0, v[0:1]
|
|
; CHECK-NEXT: flat_store_dwordx2 v[4:5], v[2:3]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v0, 0, -1, vcc
|
|
; CHECK-NEXT: v_mov_b32_e32 v1, v0
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: s_setpc_b64 s[30:31]
|
|
%pair = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %val0, i64 -1)
|
|
%val = extractvalue {i64, i1} %pair, 0
|
|
%obit = extractvalue {i64, i1} %pair, 1
|
|
%res = sext i1 %obit to i64
|
|
store i64 %val, ptr %ptrval
|
|
ret i64 %res
|
|
}
|
|
|
|
define i64 @v_usub_p1(i64 %val0, i64 %val1, ptr %ptrval) {
|
|
; CHECK-LABEL: v_usub_p1:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: v_subrev_co_u32_e32 v0, vcc, 1, v0
|
|
; CHECK-NEXT: v_subbrev_co_u32_e32 v1, vcc, 0, v1, vcc
|
|
; CHECK-NEXT: flat_store_dwordx2 v[4:5], v[0:1]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v0, 0, -1, vcc
|
|
; CHECK-NEXT: v_mov_b32_e32 v1, v0
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: s_setpc_b64 s[30:31]
|
|
%pair = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %val0, i64 1)
|
|
%val = extractvalue {i64, i1} %pair, 0
|
|
%obit = extractvalue {i64, i1} %pair, 1
|
|
%res = sext i1 %obit to i64
|
|
store i64 %val, ptr %ptrval
|
|
ret i64 %res
|
|
}
|
|
|
|
define i64 @v_usub_n1(i64 %val0, i64 %val1, ptr %ptrval) {
|
|
; CHECK-LABEL: v_usub_n1:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: v_subrev_co_u32_e32 v0, vcc, -1, v0
|
|
; CHECK-NEXT: v_subbrev_co_u32_e32 v1, vcc, -1, v1, vcc
|
|
; CHECK-NEXT: flat_store_dwordx2 v[4:5], v[0:1]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v0, 0, -1, vcc
|
|
; CHECK-NEXT: v_mov_b32_e32 v1, v0
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: s_setpc_b64 s[30:31]
|
|
%pair = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %val0, i64 -1)
|
|
%val = extractvalue {i64, i1} %pair, 0
|
|
%obit = extractvalue {i64, i1} %pair, 1
|
|
%res = sext i1 %obit to i64
|
|
store i64 %val, ptr %ptrval
|
|
ret i64 %res
|
|
}
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
; test SGPR
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
define amdgpu_ps %struct.uint96 @s_add64_32(i64 inreg %val64A, i64 inreg %val64B, i32 inreg %val32) {
|
|
; CHECK-LABEL: s_add64_32:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_add_u32 s0, s0, s2
|
|
; CHECK-NEXT: s_addc_u32 s1, s1, s3
|
|
; CHECK-NEXT: s_addc_u32 s2, s4, 0
|
|
; CHECK-NEXT: ; return to shader part epilog
|
|
%sum64 = add i64 %val64A, %val64B
|
|
%obit = icmp ult i64 %sum64, %val64A
|
|
%obit32 = zext i1 %obit to i32
|
|
%sum32 = add i32 %val32, %obit32
|
|
%.fca.0.insert = insertvalue %struct.uint96 poison, i64 %sum64, 0
|
|
%.fca.1.insert = insertvalue %struct.uint96 %.fca.0.insert, i32 %sum32, 1
|
|
ret %struct.uint96 %.fca.1.insert
|
|
}
|
|
|
|
define amdgpu_ps <2 x i64> @s_uadd_v2i64(<2 x i64> inreg %val0, <2 x i64> inreg %val1, ptr %ptrval) {
|
|
; CHECK-LABEL: s_uadd_v2i64:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_add_u32 s6, s2, s6
|
|
; CHECK-NEXT: s_addc_u32 s7, s3, s7
|
|
; CHECK-NEXT: s_cselect_b64 s[2:3], -1, 0
|
|
; CHECK-NEXT: s_add_u32 s0, s0, s4
|
|
; CHECK-NEXT: s_addc_u32 s1, s1, s5
|
|
; CHECK-NEXT: v_mov_b32_e32 v2, s0
|
|
; CHECK-NEXT: v_mov_b32_e32 v3, s1
|
|
; CHECK-NEXT: s_cselect_b64 s[0:1], -1, 0
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v6, 0, -1, s[2:3]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v7, 0, -1, s[0:1]
|
|
; CHECK-NEXT: v_readfirstlane_b32 s0, v7
|
|
; CHECK-NEXT: v_readfirstlane_b32 s2, v6
|
|
; CHECK-NEXT: v_mov_b32_e32 v4, s6
|
|
; CHECK-NEXT: v_mov_b32_e32 v5, s7
|
|
; CHECK-NEXT: s_mov_b32 s1, s0
|
|
; CHECK-NEXT: s_mov_b32 s3, s2
|
|
; CHECK-NEXT: flat_store_dwordx4 v[0:1], v[2:5]
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: ; return to shader part epilog
|
|
%pair = call {<2 x i64>, <2 x i1>} @llvm.uadd.with.overflow.v2i64(<2 x i64> %val0, <2 x i64> %val1)
|
|
%val = extractvalue {<2 x i64>, <2 x i1>} %pair, 0
|
|
%obit = extractvalue {<2 x i64>, <2 x i1>} %pair, 1
|
|
%res = sext <2 x i1> %obit to <2 x i64>
|
|
store <2 x i64> %val, ptr %ptrval
|
|
ret <2 x i64> %res
|
|
}
|
|
|
|
define amdgpu_ps <2 x i64> @s_usub_v2i64(<2 x i64> inreg %val0, <2 x i64> inreg %val1, ptr %ptrval) {
|
|
; CHECK-LABEL: s_usub_v2i64:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_sub_u32 s6, s2, s6
|
|
; CHECK-NEXT: s_subb_u32 s7, s3, s7
|
|
; CHECK-NEXT: s_cselect_b64 s[2:3], -1, 0
|
|
; CHECK-NEXT: s_sub_u32 s0, s0, s4
|
|
; CHECK-NEXT: s_subb_u32 s1, s1, s5
|
|
; CHECK-NEXT: v_mov_b32_e32 v2, s0
|
|
; CHECK-NEXT: v_mov_b32_e32 v3, s1
|
|
; CHECK-NEXT: s_cselect_b64 s[0:1], -1, 0
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v6, 0, -1, s[2:3]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v7, 0, -1, s[0:1]
|
|
; CHECK-NEXT: v_readfirstlane_b32 s0, v7
|
|
; CHECK-NEXT: v_readfirstlane_b32 s2, v6
|
|
; CHECK-NEXT: v_mov_b32_e32 v4, s6
|
|
; CHECK-NEXT: v_mov_b32_e32 v5, s7
|
|
; CHECK-NEXT: s_mov_b32 s1, s0
|
|
; CHECK-NEXT: s_mov_b32 s3, s2
|
|
; CHECK-NEXT: flat_store_dwordx4 v[0:1], v[2:5]
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: ; return to shader part epilog
|
|
%pair = call {<2 x i64>, <2 x i1>} @llvm.usub.with.overflow.v2i64(<2 x i64> %val0, <2 x i64> %val1)
|
|
%val = extractvalue {<2 x i64>, <2 x i1>} %pair, 0
|
|
%obit = extractvalue {<2 x i64>, <2 x i1>} %pair, 1
|
|
%res = sext <2 x i1> %obit to <2 x i64>
|
|
store <2 x i64> %val, ptr %ptrval
|
|
ret <2 x i64> %res
|
|
}
|
|
|
|
define amdgpu_ps i64 @s_uadd_i64(i64 inreg %val0, i64 inreg %val1, ptr %ptrval) {
|
|
; CHECK-LABEL: s_uadd_i64:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_add_u32 s0, s0, s2
|
|
; CHECK-NEXT: s_addc_u32 s1, s1, s3
|
|
; CHECK-NEXT: v_mov_b32_e32 v2, s0
|
|
; CHECK-NEXT: v_mov_b32_e32 v3, s1
|
|
; CHECK-NEXT: s_cselect_b64 s[0:1], -1, 0
|
|
; CHECK-NEXT: flat_store_dwordx2 v[0:1], v[2:3]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v0, 0, -1, s[0:1]
|
|
; CHECK-NEXT: v_readfirstlane_b32 s0, v0
|
|
; CHECK-NEXT: s_mov_b32 s1, s0
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: ; return to shader part epilog
|
|
%pair = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %val0, i64 %val1)
|
|
%val = extractvalue {i64, i1} %pair, 0
|
|
%obit = extractvalue {i64, i1} %pair, 1
|
|
%res = sext i1 %obit to i64
|
|
store i64 %val, ptr %ptrval
|
|
ret i64 %res
|
|
}
|
|
|
|
define amdgpu_ps i64 @s_uadd_p1(i64 inreg %val0, i64 inreg %val1, ptr %ptrval) {
|
|
; CHECK-LABEL: s_uadd_p1:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_add_u32 s0, s0, 1
|
|
; CHECK-NEXT: s_addc_u32 s1, s1, 0
|
|
; CHECK-NEXT: v_mov_b32_e32 v2, s0
|
|
; CHECK-NEXT: v_mov_b32_e32 v3, s1
|
|
; CHECK-NEXT: s_cselect_b64 s[0:1], -1, 0
|
|
; CHECK-NEXT: flat_store_dwordx2 v[0:1], v[2:3]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v0, 0, -1, s[0:1]
|
|
; CHECK-NEXT: v_readfirstlane_b32 s0, v0
|
|
; CHECK-NEXT: s_mov_b32 s1, s0
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: ; return to shader part epilog
|
|
%pair = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %val0, i64 1)
|
|
%val = extractvalue {i64, i1} %pair, 0
|
|
%obit = extractvalue {i64, i1} %pair, 1
|
|
%res = sext i1 %obit to i64
|
|
store i64 %val, ptr %ptrval
|
|
ret i64 %res
|
|
}
|
|
|
|
define amdgpu_ps i64 @s_uadd_n1(i64 inreg %val0, i64 inreg %val1, ptr %ptrval) {
|
|
; CHECK-LABEL: s_uadd_n1:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_add_u32 s2, s0, -1
|
|
; CHECK-NEXT: s_addc_u32 s3, s1, -1
|
|
; CHECK-NEXT: s_cmp_lg_u64 s[0:1], 0
|
|
; CHECK-NEXT: v_mov_b32_e32 v2, s2
|
|
; CHECK-NEXT: v_mov_b32_e32 v3, s3
|
|
; CHECK-NEXT: s_cselect_b64 s[0:1], -1, 0
|
|
; CHECK-NEXT: flat_store_dwordx2 v[0:1], v[2:3]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v0, 0, -1, s[0:1]
|
|
; CHECK-NEXT: v_readfirstlane_b32 s0, v0
|
|
; CHECK-NEXT: s_mov_b32 s1, s0
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: ; return to shader part epilog
|
|
%pair = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %val0, i64 -1)
|
|
%val = extractvalue {i64, i1} %pair, 0
|
|
%obit = extractvalue {i64, i1} %pair, 1
|
|
%res = sext i1 %obit to i64
|
|
store i64 %val, ptr %ptrval
|
|
ret i64 %res
|
|
}
|
|
|
|
define amdgpu_ps i64 @s_usub_p1(i64 inreg %val0, i64 inreg %val1, ptr %ptrval) {
|
|
; CHECK-LABEL: s_usub_p1:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_sub_u32 s0, s0, 1
|
|
; CHECK-NEXT: s_subb_u32 s1, s1, 0
|
|
; CHECK-NEXT: v_mov_b32_e32 v2, s0
|
|
; CHECK-NEXT: v_mov_b32_e32 v3, s1
|
|
; CHECK-NEXT: s_cselect_b64 s[0:1], -1, 0
|
|
; CHECK-NEXT: flat_store_dwordx2 v[0:1], v[2:3]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v0, 0, -1, s[0:1]
|
|
; CHECK-NEXT: v_readfirstlane_b32 s0, v0
|
|
; CHECK-NEXT: s_mov_b32 s1, s0
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: ; return to shader part epilog
|
|
%pair = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %val0, i64 1)
|
|
%val = extractvalue {i64, i1} %pair, 0
|
|
%obit = extractvalue {i64, i1} %pair, 1
|
|
%res = sext i1 %obit to i64
|
|
store i64 %val, ptr %ptrval
|
|
ret i64 %res
|
|
}
|
|
|
|
define amdgpu_ps i64 @s_usub_n1(i64 inreg %val0, i64 inreg %val1, ptr %ptrval) {
|
|
; CHECK-LABEL: s_usub_n1:
|
|
; CHECK: ; %bb.0:
|
|
; CHECK-NEXT: s_sub_u32 s0, s0, -1
|
|
; CHECK-NEXT: s_subb_u32 s1, s1, -1
|
|
; CHECK-NEXT: v_mov_b32_e32 v2, s0
|
|
; CHECK-NEXT: v_mov_b32_e32 v3, s1
|
|
; CHECK-NEXT: s_cselect_b64 s[0:1], -1, 0
|
|
; CHECK-NEXT: flat_store_dwordx2 v[0:1], v[2:3]
|
|
; CHECK-NEXT: v_cndmask_b32_e64 v0, 0, -1, s[0:1]
|
|
; CHECK-NEXT: v_readfirstlane_b32 s0, v0
|
|
; CHECK-NEXT: s_mov_b32 s1, s0
|
|
; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; CHECK-NEXT: ; return to shader part epilog
|
|
%pair = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %val0, i64 -1)
|
|
%val = extractvalue {i64, i1} %pair, 0
|
|
%obit = extractvalue {i64, i1} %pair, 1
|
|
%res = sext i1 %obit to i64
|
|
store i64 %val, ptr %ptrval
|
|
ret i64 %res
|
|
}
|