CodeGen peephole: fold redundant phys reg copies

[oota-llvm.git] / test / CodeGen / X86 / stack-folding-fp-sse42.ll

diff --git a/test/CodeGen/X86/stack-folding-fp-sse42.ll b/test/CodeGen/X86/stack-folding-fp-sse42.ll
index 8086f06bf1befa510603ecebec892ed5557d7b27..105115bc7d25c0c64dc11c278de40aef69c84640 100644 (file)
--- a/test/CodeGen/X86/stack-folding-fp-sse42.ll
+++ b/test/CodeGen/X86/stack-folding-fp-sse42.ll
@@ -1,4 +1,4 @@
-; RUN: llc -O3 -disable-peephole -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+sse4.2 < %s | FileCheck %s
+; RUN: llc -O3 -disable-peephole -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 < %s | FileCheck %s
 
 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
 target triple = "x86_64-unknown-unknown"
@@ -637,7 +637,15 @@ define <4 x float> @stack_fold_hsubps(<4 x float> %a0, <4 x float> %a1) {
 }
 declare <4 x float> @llvm.x86.sse3.hsub.ps(<4 x float>, <4 x float>) nounwind readnone
 
-; TODO stack_fold_insertps
+define <4 x float> @stack_fold_insertps(<4 x float> %a0, <4 x float> %a1) {
+  ;CHECK-LABEL: stack_fold_insertps
+  ;CHECK:       insertps $17, {{-?[0-9]*}}(%rsp), {{%xmm[0-9][0-9]*}} {{.*#+}} 16-byte Folded Reload
+  ;CHECK-NEXT:                                                        {{.*#+}} xmm0 = zero,mem[0],xmm0[2,3]
+  %1 = tail call <2 x i64> asm sideeffect "nop", "=x,~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{flags}"()
+  %2 = call <4 x float> @llvm.x86.sse41.insertps(<4 x float> %a0, <4 x float> %a1, i8 209)
+  ret <4 x float> %2
+}
+declare <4 x float> @llvm.x86.sse41.insertps(<4 x float>, <4 x float>, i8) nounwind readnone
 
 define <2 x double> @stack_fold_maxpd(<2 x double> %a0, <2 x double> %a1) {
   ;CHECK-LABEL: stack_fold_maxpd