1 files changed, 25 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pr31956.ll b/test/CodeGen/X86/pr31956.ll
new file mode 100644
index 000000000000..e9293048f4e5
--- /dev/null
+++ b/test/CodeGen/X86/pr31956.ll
@@ -0,0 +1,25 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mattr=+avx < %s | FileCheck %s
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-scei-ps4"
+
+@G1 = common global <2 x float> zeroinitializer, align 8
+@G2 = common global <8 x float> zeroinitializer, align 32
+
+define <4 x float> @foo() {
+; CHECK-LABEL: foo:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
+; CHECK-NEXT:    vblendpd {{.*#+}} ymm0 = ymm0[0],mem[1,2,3]
+; CHECK-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; CHECK-NEXT:    vshufps {{.*#+}} xmm0 = xmm1[0,2],xmm0[2,0]
+; CHECK-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[0,2,1,3]
+; CHECK-NEXT:    vzeroupper
+; CHECK-NEXT:    retq
+entry:
+  %V = load <2 x float>, <2 x float>* @G1, align 8
+  %shuffle = shufflevector <2 x float> %V, <2 x float> undef, <8 x i32> <i32 undef, i32 undef, i32 undef, i32 undef, i32 0, i32 undef, i32 undef, i32 undef>
+  %L = load <8 x float>, <8 x float>* @G2, align 32
+  %shuffle1 = shufflevector <8 x float> %shuffle, <8 x float> %L, <4 x i32> <i32 12, i32 10, i32 14, i32 4>
+  ret <4 x float> %shuffle1
+}