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llvm-project/llvm/test/CodeGen/AArch64/faddp.ll
John Brawn d916856bee [AArch64] Allow strict opcodes in faddp patterns 
This also requires adjustment to code in AArch64ISelLowering so that
vector_extract is distributed over strict_fadd.

Differential Revision: https://reviews.llvm.org/D118489
2022-02-17 13:11:55 +00:00

183 lines
6.7 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple aarch64 < %s | FileCheck %s
define float @faddp_2xfloat(<2 x float> %a) {
; CHECK-LABEL: faddp_2xfloat:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT: faddp s0, v0.2s
; CHECK-NEXT: ret
entry:
%shift = shufflevector <2 x float> %a, <2 x float> undef, <2 x i32> <i32 1, i32 undef>
%0 = fadd <2 x float> %a, %shift
%1 = extractelement <2 x float> %0, i32 0
ret float %1
}
define float @faddp_4xfloat(<4 x float> %a) {
; CHECK-LABEL: faddp_4xfloat:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: faddp s0, v0.2s
; CHECK-NEXT: ret
entry:
%shift = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%0 = fadd <4 x float> %a, %shift
%1 = extractelement <4 x float> %0, i32 0
ret float %1
}
define float @faddp_4xfloat_commute(<4 x float> %a) {
; CHECK-LABEL: faddp_4xfloat_commute:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: faddp s0, v0.2s
; CHECK-NEXT: ret
entry:
%shift = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%0 = fadd <4 x float> %shift, %a
%1 = extractelement <4 x float> %0, i32 0
ret float %1
}
define float @faddp_2xfloat_commute(<2 x float> %a) {
; CHECK-LABEL: faddp_2xfloat_commute:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT: faddp s0, v0.2s
; CHECK-NEXT: ret
entry:
%shift = shufflevector <2 x float> %a, <2 x float> undef, <2 x i32> <i32 1, i32 undef>
%0 = fadd <2 x float> %shift, %a
%1 = extractelement <2 x float> %0, i32 0
ret float %1
}
define double @faddp_2xdouble(<2 x double> %a) {
; CHECK-LABEL: faddp_2xdouble:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: faddp d0, v0.2d
; CHECK-NEXT: ret
entry:
%shift = shufflevector <2 x double> %a, <2 x double> undef, <2 x i32> <i32 1, i32 undef>
%0 = fadd <2 x double> %a, %shift
%1 = extractelement <2 x double> %0, i32 0
ret double %1
}
define double @faddp_2xdouble_commute(<2 x double> %a) {
; CHECK-LABEL: faddp_2xdouble_commute:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: faddp d0, v0.2d
; CHECK-NEXT: ret
entry:
%shift = shufflevector <2 x double> %a, <2 x double> undef, <2 x i32> <i32 1, i32 undef>
%0 = fadd <2 x double> %shift, %a
%1 = extractelement <2 x double> %0, i32 0
ret double %1
}
define i64 @addp_2xi64(<2 x i64> %a) {
; CHECK-LABEL: addp_2xi64:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: addp d0, v0.2d
; CHECK-NEXT: fmov x0, d0
; CHECK-NEXT: ret
entry:
%shift = shufflevector <2 x i64> %a, <2 x i64> undef, <2 x i32> <i32 1, i32 undef>
%0 = add <2 x i64> %a, %shift
%1 = extractelement <2 x i64> %0, i32 0
ret i64 %1
}
define i64 @addp_2xi64_commute(<2 x i64> %a) {
; CHECK-LABEL: addp_2xi64_commute:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: addp d0, v0.2d
; CHECK-NEXT: fmov x0, d0
; CHECK-NEXT: ret
entry:
%shift = shufflevector <2 x i64> %a, <2 x i64> undef, <2 x i32> <i32 1, i32 undef>
%0 = add <2 x i64> %shift, %a
%1 = extractelement <2 x i64> %0, i32 0
ret i64 %1
}
define float @faddp_2xfloat_strict(<2 x float> %a) #0 {
; CHECK-LABEL: faddp_2xfloat_strict:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT: faddp s0, v0.2s
; CHECK-NEXT: ret
entry:
%shift = shufflevector <2 x float> %a, <2 x float> undef, <2 x i32> <i32 1, i32 undef>
%0 = call <2 x float> @llvm.experimental.constrained.fadd.v2f32(<2 x float> %a, <2 x float> %shift, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
%1 = extractelement <2 x float> %0, i32 0
ret float %1
}
define float @faddp_4xfloat_strict(<4 x float> %a) #0 {
; CHECK-LABEL: faddp_4xfloat_strict:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: faddp s0, v0.2s
; CHECK-NEXT: ret
entry:
%shift = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%0 = call <4 x float> @llvm.experimental.constrained.fadd.v4f32(<4 x float> %a, <4 x float> %shift, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
%1 = extractelement <4 x float> %0, i32 0
ret float %1
}
define float @faddp_4xfloat_commute_strict(<4 x float> %a) #0 {
; CHECK-LABEL: faddp_4xfloat_commute_strict:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: faddp s0, v0.2s
; CHECK-NEXT: ret
entry:
%shift = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%0 = call <4 x float> @llvm.experimental.constrained.fadd.v4f32(<4 x float> %shift, <4 x float> %a, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
%1 = extractelement <4 x float> %0, i32 0
ret float %1
}
define float @faddp_2xfloat_commute_strict(<2 x float> %a) #0 {
; CHECK-LABEL: faddp_2xfloat_commute_strict:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0
; CHECK-NEXT: faddp s0, v0.2s
; CHECK-NEXT: ret
entry:
%shift = shufflevector <2 x float> %a, <2 x float> undef, <2 x i32> <i32 1, i32 undef>
%0 = call <2 x float> @llvm.experimental.constrained.fadd.v2f32(<2 x float> %shift, <2 x float> %a, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
%1 = extractelement <2 x float> %0, i32 0
ret float %1
}
define double @faddp_2xdouble_strict(<2 x double> %a) #0 {
; CHECK-LABEL: faddp_2xdouble_strict:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: faddp d0, v0.2d
; CHECK-NEXT: ret
entry:
%shift = shufflevector <2 x double> %a, <2 x double> undef, <2 x i32> <i32 1, i32 undef>
%0 = call <2 x double> @llvm.experimental.constrained.fadd.v2f64(<2 x double> %a, <2 x double> %shift, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
%1 = extractelement <2 x double> %0, i32 0
ret double %1
}
define double @faddp_2xdouble_commute_strict(<2 x double> %a) #0 {
; CHECK-LABEL: faddp_2xdouble_commute_strict:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: faddp d0, v0.2d
; CHECK-NEXT: ret
entry:
%shift = shufflevector <2 x double> %a, <2 x double> undef, <2 x i32> <i32 1, i32 undef>
%0 = call <2 x double> @llvm.experimental.constrained.fadd.v2f64(<2 x double> %shift, <2 x double> %a, metadata !"round.tonearest", metadata !"fpexcept.strict") #0
%1 = extractelement <2 x double> %0, i32 0
ret double %1
}
attributes #0 = { strictfp }
declare <2 x float> @llvm.experimental.constrained.fadd.v2f32(<2 x float>, <2 x float>, metadata, metadata)
declare <4 x float> @llvm.experimental.constrained.fadd.v4f32(<4 x float>, <4 x float>, metadata, metadata)
declare <2 x double> @llvm.experimental.constrained.fadd.v2f64(<2 x double>, <2 x double>, metadata, metadata)
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