CodeGen peephole: fold redundant phys reg copies

[oota-llvm.git] / test / CodeGen / X86 / stack-folding-fp-avx1.ll

diff --git a/test/CodeGen/X86/stack-folding-fp-avx1.ll b/test/CodeGen/X86/stack-folding-fp-avx1.ll
index 7ac17067a69a9ea07f1178a9566b28ca16e7d0ae..b86ec0ea22ff1677c1f939cfd7dcf29f008a1c9d 100644 (file)
--- a/test/CodeGen/X86/stack-folding-fp-avx1.ll
+++ b/test/CodeGen/X86/stack-folding-fp-avx1.ll
@@ -1,4 +1,4 @@
-; RUN: llc -O3 -disable-peephole -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+avx,+f16c < %s | FileCheck %s
+; RUN: llc -O3 -disable-peephole -mtriple=x86_64-unknown-unknown -mattr=+avx,+f16c < %s | FileCheck %s
 
 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
 target triple = "x86_64-unknown-unknown"
@@ -946,7 +946,15 @@ define <8 x float> @stack_fold_insertf128(<4 x float> %a0, <4 x float> %a1) {
   ret <8 x float> %2
 }
 
-; 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:       vinsertps $17, {{-?[0-9]*}}(%rsp), {{%xmm[0-9][0-9]*}}, {{%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
@@ -1494,7 +1502,7 @@ define <8 x float> @stack_fold_shufps_ymm(<8 x float> %a0, <8 x float> %a1) {
   ;CHECK-LABEL: stack_fold_shufps_ymm
   ;CHECK:       vshufps $148, {{-?[0-9]*}}(%rsp), {{%ymm[0-9][0-9]*}}, {{%ymm[0-9][0-9]*}} {{.*#+}} 32-byte Folded Reload
   %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 = shufflevector <8 x float> %a0, <8 x float> %a1, <8 x i32> <i32 0, i32 1, i32 9, i32 10, i32 undef, i32 undef, i32 undef, i32 undef>
+  %2 = shufflevector <8 x float> %a0, <8 x float> %a1, <8 x i32> <i32 0, i32 1, i32 9, i32 10, i32 4, i32 5, i32 13, i32 14>
   ret <8 x float> %2
 }