diff options
| author | Nadav Rotem <nrotem@apple.com> | 2013-03-19 18:38:27 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2013-03-19 18:38:27 +0000 |
| commit | b05130e1b20ed17ae9d5ab3351933babd27213e1 (patch) | |
| tree | 0919c8c78dc13adfff0fe2dd5742f9b39e78f652 /test | |
| parent | a45a22758de20f519385a8060e3e7d504deab3da (diff) | |
Optimize sext <4 x i8> and <4 x i16> to <4 x i64>.
Patch by Ahmad, Muhammad T <muhammad.t.ahmad@intel.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177421 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Analysis/CostModel/X86/cast.ll | 4 | ||||
| -rwxr-xr-x | test/CodeGen/X86/avx-sext.ll | 21 |
2 files changed, 23 insertions, 2 deletions
diff --git a/test/Analysis/CostModel/X86/cast.ll b/test/Analysis/CostModel/X86/cast.ll index bacc778691..c8d0f6fd8e 100644 --- a/test/Analysis/CostModel/X86/cast.ll +++ b/test/Analysis/CostModel/X86/cast.ll @@ -44,9 +44,9 @@ define i32 @zext_sext(<8 x i1> %in) { %B = zext <8 x i16> undef to <8 x i32> ;CHECK: cost of 1 {{.*}} sext %C = sext <4 x i32> undef to <4 x i64> - ;CHECK: cost of 8 {{.*}} sext + ;CHECK: cost of 6 {{.*}} sext %C1 = sext <4 x i8> undef to <4 x i64> - ;CHECK: cost of 8 {{.*}} sext + ;CHECK: cost of 6 {{.*}} sext %C2 = sext <4 x i16> undef to <4 x i64> ;CHECK: cost of 1 {{.*}} zext diff --git a/test/CodeGen/X86/avx-sext.ll b/test/CodeGen/X86/avx-sext.ll index 7ae0d36c08..b9c7000510 100755 --- a/test/CodeGen/X86/avx-sext.ll +++ b/test/CodeGen/X86/avx-sext.ll @@ -165,3 +165,24 @@ define <4 x i64> @sext_4i8_to_4i64(<4 x i8> %mask) { ret <4 x i64> %extmask } +; AVX: sext_4i8_to_4i64 +; AVX: vpmovsxbd +; AVX: vpmovsxdq +; AVX: vpmovsxdq +; AVX: ret +define <4 x i64> @load_sext_4i8_to_4i64(<4 x i8> *%ptr) { + %X = load <4 x i8>* %ptr + %Y = sext <4 x i8> %X to <4 x i64> + ret <4 x i64>%Y +} + +; AVX: sext_4i16_to_4i64 +; AVX: vpmovsxwd +; AVX: vpmovsxdq +; AVX: vpmovsxdq +; AVX: ret +define <4 x i64> @load_sext_4i16_to_4i64(<4 x i16> *%ptr) { + %X = load <4 x i16>* %ptr + %Y = sext <4 x i16> %X to <4 x i64> + ret <4 x i64>%Y +} |