diff options
author | Eric Christopher <echristo@apple.com> | 2010-05-19 00:22:04 +0000 |
---|---|---|
committer | Eric Christopher <echristo@apple.com> | 2010-05-19 00:22:04 +0000 |
commit | cc6b6b934894ae141bd5cdf3ddffc60e48f554af (patch) | |
tree | e497ad8a39a5561bf6b424612cbc8f03f58b6e12 /test/FrontendC/2010-05-18-palignr.c | |
parent | 57aaa0b264d9d23d9a14235334b15d4117e32a3b (diff) | |
download | external_llvm-cc6b6b934894ae141bd5cdf3ddffc60e48f554af.zip external_llvm-cc6b6b934894ae141bd5cdf3ddffc60e48f554af.tar.gz external_llvm-cc6b6b934894ae141bd5cdf3ddffc60e48f554af.tar.bz2 |
Add a test to make sure that we're lowering the shift amount correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104090 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/FrontendC/2010-05-18-palignr.c')
-rw-r--r-- | test/FrontendC/2010-05-18-palignr.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/FrontendC/2010-05-18-palignr.c b/test/FrontendC/2010-05-18-palignr.c new file mode 100644 index 0000000..a383f77 --- /dev/null +++ b/test/FrontendC/2010-05-18-palignr.c @@ -0,0 +1,22 @@ +// 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 +} |