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-rw-r--r--test/CodeGen/X86/pr22774.ll17
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pr22774.ll b/test/CodeGen/X86/pr22774.ll
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+++ b/test/CodeGen/X86/pr22774.ll
@@ -0,0 +1,17 @@
+; RUN: llc -mtriple=x86_64-pc-linux-gnu -mattr=+avx < %s | FileCheck %s
+
+@in = global <4 x i64> <i64 -1, i64 -1, i64 -1, i64 -1>, align 32
+@out = global <2 x i64> zeroinitializer, align 16
+
+define i32 @_Z3foov() {
+entry:
+; CHECK: vmovdqa in(%rip), %ymm0
+; CHECK-NEXT: vmovq %xmm0, %xmm0
+; CHECK-NEXT: vmovdqa %xmm0, out(%rip)
+ %0 = load <4 x i64>, <4 x i64>* @in, align 32
+ %vecext = extractelement <4 x i64> %0, i32 0
+ %vecinit = insertelement <2 x i64> undef, i64 %vecext, i32 0
+ %vecinit1 = insertelement <2 x i64> %vecinit, i64 0, i32 1
+ store <2 x i64> %vecinit1, <2 x i64>* @out, align 16
+ ret i32 0
+}