1 files changed, 34 insertions, 0 deletions
diff --git a/test/CodeGen/X86/commute-blend-sse41.ll b/test/CodeGen/X86/commute-blend-sse41.ll
new file mode 100644
index 000000000000..59fef8c3a29f
--- /dev/null
+++ b/test/CodeGen/X86/commute-blend-sse41.ll
@@ -0,0 +1,34 @@
+; RUN: llc -O3 -mtriple=x86_64-unknown -mcpu=corei7 < %s | FileCheck %s
+
+define <8 x i16> @commute_fold_pblendw(<8 x i16> %a, <8 x i16>* %b) #0 {
+  %1 = load <8 x i16>* %b
+  %2 = call <8 x i16> @llvm.x86.sse41.pblendw(<8 x i16> %1, <8 x i16> %a, i8 17)
+  ret <8 x i16> %2
+
+  ;LABEL:      commute_fold_pblendw
+  ;CHECK:      pblendw {{.*#+}} xmm0 = xmm0[0],mem[1,2,3],xmm0[4],mem[5,6,7]
+  ;CHECK-NEXT: retq
+}
+declare <8 x i16> @llvm.x86.sse41.pblendw(<8 x i16>, <8 x i16>, i8) nounwind readnone
+
+define <4 x float> @commute_fold_blendps(<4 x float> %a, <4 x float>* %b) #0 {
+  %1 = load <4 x float>* %b
+  %2 = call <4 x float> @llvm.x86.sse41.blendps(<4 x float> %1, <4 x float> %a, i8 3)
+  ret <4 x float> %2
+
+  ;LABEL:      commute_fold_blendps
+  ;CHECK:      blendps {{.*#+}} xmm0 = xmm0[0,1],mem[2,3]
+  ;CHECK-NEXT: retq
+}
+declare <4 x float> @llvm.x86.sse41.blendps(<4 x float>, <4 x float>, i8) nounwind readnone
+
+define <2 x double> @commute_fold_blendpd(<2 x double> %a, <2 x double>* %b) #0 {
+  %1 = load <2 x double>* %b
+  %2 = call <2 x double> @llvm.x86.sse41.blendpd(<2 x double> %1, <2 x double> %a, i8 1)
+  ret <2 x double> %2
+
+  ;LABEL:      commute_fold_vblendpd
+  ;CHECK:      blendpd {{.*#+}} xmm0 = xmm0[0],mem[1]
+  ;CHECK-NEXT: retq
+}
+declare <2 x double> @llvm.x86.sse41.blendpd(<2 x double>, <2 x double>, i8) nounwind readnone