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