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-rw-r--r--test/CodeGen/X86/2011-12-15-vec_shift.ll12
1 files changed, 12 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2011-12-15-vec_shift.ll b/test/CodeGen/X86/2011-12-15-vec_shift.ll
new file mode 100644
index 0000000000..400066bedf
--- /dev/null
+++ b/test/CodeGen/X86/2011-12-15-vec_shift.ll
@@ -0,0 +1,12 @@
+; RUN: llc < %s | FileCheck %s
+; Test case for r146671
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.7"
+
+define <16 x i8> @shift(<16 x i8> %a, <16 x i8> %b) nounwind {
+ ; CHECK: psllw $4, [[REG:%xmm.]]
+ ; CHECK-NEXT: movdqa
+ ; CHECK-NEXT: pblendvb [[REG]],{{ %xmm.}}
+ %1 = shl <16 x i8> %a, %b
+ ret <16 x i8> %1
+}