1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/X86/extract-concat.ll b/test/CodeGen/X86/extract-concat.ll
new file mode 100644
index 0000000000..5c8d20a651
--- /dev/null
+++ b/test/CodeGen/X86/extract-concat.ll
@@ -0,0 +1,17 @@
+; RUN: llc < %s -mcpu=corei7 -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
+
+define void @foo(<4 x float> %in, <4 x i8>* %out) {
+  %t0 = fptoui <4 x float> %in to <4 x i32>
+  %t1 = trunc <4 x i32> %t0 to <4 x i16>
+  %t2 = shufflevector <4 x i16> %t1, <4 x i16> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+  %t3 = trunc <8 x i16> %t2 to <8 x i8>
+  %t4 = shufflevector <8 x i8> %t3, <8 x i8> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  %t5 = insertelement <4 x i8> %t4, i8 -1, i32 3
+  store <4 x i8> %t5, <4 x i8>* %out
+  ret void
+; CHECK: foo
+; CHECK: cvttps2dq
+; CHECK-NOT: pextrd
+; CHECK: pshufb
+; CHECK: ret
+}