Add fake use to suppress defined-but-unused warnings

[oota-llvm.git] / test / CodeGen / X86 / vec_shuffle-30.ll

diff --git a/test/CodeGen/X86/vec_shuffle-30.ll b/test/CodeGen/X86/vec_shuffle-30.ll
index 50a3df8f0b2af60778c0a236807b3d3f5efe1eb8..f5f88426058c609d8b0b5c82cfbb651ad31623dd 100644 (file)
--- a/test/CodeGen/X86/vec_shuffle-30.ll
+++ b/test/CodeGen/X86/vec_shuffle-30.ll
@@ -1,21 +1,25 @@
-; RUN: llvm-as < %s | llc -march=x86 -mattr=sse41 -disable-mmx -o %t -f
-; RUN: grep pshufhw %t | grep 161 | count 1
-; RUN: grep shufps %t | count 1
-; RUN: not grep pslldq %t
+; RUN: llc < %s -march=x86 -mattr=+avx | FileCheck %s
 
+; CHECK: test
 ; Test case when creating pshufhw, we incorrectly set the higher order bit
 ; for an undef,
-define void @test(<8 x i16>* %dest, <8 x i16> %in) {
+define void @test(<8 x i16>* %dest, <8 x i16> %in) nounwind {
 entry:
+; CHECK-NOT: vmovaps
+; CHECK: vmovlpd
+; CHECK: vpshufhw        $-95
   %0 = load <8 x i16>* %dest
   %1 = shufflevector <8 x i16> %0, <8 x i16> %in, <8 x i32> < i32 0, i32 1, i32 2, i32 3, i32 13, i32 undef, i32 14, i32 14>
   store <8 x i16> %1, <8 x i16>* %dest
   ret void
-}                              
+}
 
+; CHECK: test2
 ; A test case where we shouldn't generate a punpckldq but a pshufd and a pslldq
-define void @test2(<4 x i32>* %dest, <4 x i32> %in) {
+define void @test2(<4 x i32>* %dest, <4 x i32> %in) nounwind {
 entry:
+; CHECK-NOT: pslldq
+; CHECK: shufps
   %0 = shufflevector <4 x i32> %in, <4 x i32> <i32 0, i32 0, i32 0, i32 0>, <4 x i32> < i32 undef, i32 5, i32 undef, i32 2>
   store <4 x i32> %0, <4 x i32>* %dest
   ret void