llvm-6502/test/CodeGen/X86/sse_reload_fold.ll
Dan Gohman c8db34cb07 Don't use special heuristics for nodes with no data predecessors
unless they actually have data successors, and likewise for nodes
with no data successors unless they actually have data precessors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64327 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-11 21:29:39 +00:00

126 lines
4.9 KiB
LLVM

; RUN: llvm-as < %s | \
; RUN: llc -march=x86-64 -mattr=+64bit,+sse3 -print-failed-fuse-candidates |& \
; RUN: grep fail | count 1
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.
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
}