derek.holloway
7502bf64a4
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135 lines
5.1 KiB
LLVM
135 lines
5.1 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-linux -mattr=+64bit,+sse3 -print-failed-fuse-candidates -regalloc=basic 2>&1 | FileCheck %s
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; CHECK: fail
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; CHECK-NOT: fail
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declare float @test_f(float %f)
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declare double @test_d(double %f)
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declare <4 x float> @test_vf(<4 x float> %f)
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declare <2 x double> @test_vd(<2 x double> %f)
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declare float @llvm.sqrt.f32(float)
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declare double @llvm.sqrt.f64(double)
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declare <4 x float> @llvm.x86.sse.rsqrt.ps(<4 x float>)
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declare <4 x float> @llvm.x86.sse.sqrt.ps(<4 x float>)
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declare <4 x float> @llvm.x86.sse.rcp.ps(<4 x float>)
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declare <4 x float> @llvm.x86.sse.min.ps(<4 x float>, <4 x float>)
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declare <4 x float> @llvm.x86.sse.max.ps(<4 x float>, <4 x float>)
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declare <4 x float> @llvm.x86.sse.cmp.ps(<4 x float>, <4 x float>, i8)
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declare <4 x float> @llvm.x86.sse3.addsub.ps(<4 x float>, <4 x float>)
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declare <4 x float> @llvm.x86.sse3.hadd.ps(<4 x float>, <4 x float>)
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declare <4 x float> @llvm.x86.sse3.hsub.ps(<4 x float>, <4 x float>)
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declare <2 x double> @llvm.x86.sse2.sqrt.pd(<2 x double>)
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declare <2 x double> @llvm.x86.sse2.min.pd(<2 x double>, <2 x double>)
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declare <2 x double> @llvm.x86.sse2.max.pd(<2 x double>, <2 x double>)
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declare <2 x double> @llvm.x86.sse2.cmp.pd(<2 x double>, <2 x double>, i8)
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declare <2 x double> @llvm.x86.sse3.addsub.pd(<2 x double>, <2 x double>)
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declare <2 x double> @llvm.x86.sse3.hadd.pd(<2 x double>, <2 x double>)
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declare <2 x double> @llvm.x86.sse3.hsub.pd(<2 x double>, <2 x double>)
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define float @foo(float %f) {
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%a = call float @test_f(float %f)
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%t = call float @llvm.sqrt.f32(float %f)
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ret float %t
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}
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define double @doo(double %f) {
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%a = call double @test_d(double %f)
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%t = call double @llvm.sqrt.f64(double %f)
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ret double %t
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}
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define <4 x float> @a0(<4 x float> %f) {
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%a = call <4 x float> @test_vf(<4 x float> %f)
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%t = call <4 x float> @llvm.x86.sse.rsqrt.ps(<4 x float> %f)
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ret <4 x float> %t
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}
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define <4 x float> @a1(<4 x float> %f) {
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%a = call <4 x float> @test_vf(<4 x float> %f)
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%t = call <4 x float> @llvm.x86.sse.sqrt.ps(<4 x float> %f)
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ret <4 x float> %t
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}
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define <4 x float> @a2(<4 x float> %f) {
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%a = call <4 x float> @test_vf(<4 x float> %f)
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%t = call <4 x float> @llvm.x86.sse.rcp.ps(<4 x float> %f)
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ret <4 x float> %t
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}
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define <4 x float> @b3(<4 x float> %f) {
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%y = call <4 x float> @test_vf(<4 x float> %f)
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%t = call <4 x float> @llvm.x86.sse.min.ps(<4 x float> %y, <4 x float> %f)
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ret <4 x float> %t
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}
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define <4 x float> @b4(<4 x float> %f) {
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%y = call <4 x float> @test_vf(<4 x float> %f)
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%t = call <4 x float> @llvm.x86.sse.max.ps(<4 x float> %y, <4 x float> %f)
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ret <4 x float> %t
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}
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define <4 x float> @b5(<4 x float> %f) {
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%y = call <4 x float> @test_vf(<4 x float> %f)
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%t = call <4 x float> @llvm.x86.sse.cmp.ps(<4 x float> %y, <4 x float> %f, i8 7)
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ret <4 x float> %t
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}
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define <4 x float> @b6(<4 x float> %f) {
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%y = call <4 x float> @test_vf(<4 x float> %f)
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%t = call <4 x float> @llvm.x86.sse3.addsub.ps(<4 x float> %y, <4 x float> %f)
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ret <4 x float> %t
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}
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define <4 x float> @b7(<4 x float> %f) {
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%y = call <4 x float> @test_vf(<4 x float> %f)
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%t = call <4 x float> @llvm.x86.sse3.hadd.ps(<4 x float> %y, <4 x float> %f)
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ret <4 x float> %t
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}
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define <4 x float> @b8(<4 x float> %f) {
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%y = call <4 x float> @test_vf(<4 x float> %f)
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%t = call <4 x float> @llvm.x86.sse3.hsub.ps(<4 x float> %y, <4 x float> %f)
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ret <4 x float> %t
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}
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define <2 x double> @c1(<2 x double> %f) {
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%a = call <2 x double> @test_vd(<2 x double> %f)
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%t = call <2 x double> @llvm.x86.sse2.sqrt.pd(<2 x double> %f)
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ret <2 x double> %t
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}
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define <2 x double> @d3(<2 x double> %f) {
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%y = call <2 x double> @test_vd(<2 x double> %f)
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%t = call <2 x double> @llvm.x86.sse2.min.pd(<2 x double> %y, <2 x double> %f)
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ret <2 x double> %t
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}
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define <2 x double> @d4(<2 x double> %f) {
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%y = call <2 x double> @test_vd(<2 x double> %f)
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%t = call <2 x double> @llvm.x86.sse2.max.pd(<2 x double> %y, <2 x double> %f)
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ret <2 x double> %t
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}
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define <2 x double> @d5(<2 x double> %f) {
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%y = call <2 x double> @test_vd(<2 x double> %f)
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%t = call <2 x double> @llvm.x86.sse2.cmp.pd(<2 x double> %y, <2 x double> %f, i8 7)
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ret <2 x double> %t
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}
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define <2 x double> @d6(<2 x double> %f) {
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%y = call <2 x double> @test_vd(<2 x double> %f)
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%t = call <2 x double> @llvm.x86.sse3.addsub.pd(<2 x double> %y, <2 x double> %f)
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ret <2 x double> %t
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}
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define <2 x double> @d7(<2 x double> %f) {
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%y = call <2 x double> @test_vd(<2 x double> %f)
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%t = call <2 x double> @llvm.x86.sse3.hadd.pd(<2 x double> %y, <2 x double> %f)
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ret <2 x double> %t
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}
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define <2 x double> @d8(<2 x double> %f) {
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%y = call <2 x double> @test_vd(<2 x double> %f)
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%t = call <2 x double> @llvm.x86.sse3.hsub.pd(<2 x double> %y, <2 x double> %f)
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ret <2 x double> %t
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}
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; This one should fail to fuse, but -regalloc=greedy isn't even trying. Instead
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; it produces:
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; callq test_vd
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; movapd (%rsp), %xmm1 # 16-byte Reload
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; hsubpd %xmm0, %xmm1
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; movapd %xmm1, %xmm0
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; addq $24, %rsp
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; ret
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; RABasic still tries to fold this one.
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define <2 x double> @z0(<2 x double> %f) {
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%y = call <2 x double> @test_vd(<2 x double> %f)
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%t = call <2 x double> @llvm.x86.sse3.hsub.pd(<2 x double> %f, <2 x double> %y)
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ret <2 x double> %t
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}
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