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Add a test to make sure that we're lowering the shift amount correctly.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104090 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2010-05-19 00:22:04 +00:00
parent 57aaa0b264
commit cc6b6b9348
1 changed files with 22 additions and 0 deletions
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22
test/FrontendC/2010-05-18-palignr.c Normal file
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// RUN: %llvmgcc -mssse3 -S -o - %s | llc -mtriple=x86_64-apple-darwin | FileCheck %s
#include <tmmintrin.h>
int main ()
{
#if defined( __SSSE3__ )
#define vec_rld_epi16( _a, _i ) ({ vSInt16 _t = _a; _t = _mm_alignr_epi8( _t, _t, _i ); /*return*/ _t; })
typedef int16_t vSInt16 __attribute__ ((__vector_size__ (16)));
short dtbl[] = {1,2,3,4,5,6,7,8};
vSInt16 *vdtbl = (vSInt16*) dtbl;
vSInt16 v0;
v0 = *vdtbl;
// CHECK: pshufd $57
v0 = vec_rld_epi16( v0, 4 );
return 0;
#endif
}