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| author | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2013-01-17 09:59:53 +0000 |
|---|---|---|
| committer | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2013-01-17 09:59:53 +0000 |
| commit | 6c327f92a562d9d280bdbc3bde3c0ce269a4c65c (patch) | |
| tree | 375086cd503bfd9faeb2a60210fa8a1ded341204 /test/CodeGen/X86/avx2-conversions.ll | |
| parent | c2cbcc3acfc0e7426626331d57b35f1d6c7a4a47 (diff) | |
| download | llvm-6c327f92a562d9d280bdbc3bde3c0ce269a4c65c.tar.gz llvm-6c327f92a562d9d280bdbc3bde3c0ce269a4c65c.tar.bz2 llvm-6c327f92a562d9d280bdbc3bde3c0ce269a4c65c.tar.xz | |
Optimization for the following SIGN_EXTEND pairs:
v8i8 -> v8i64,
v8i8 -> v8i32,
v4i8 -> v4i64,
v4i16 -> v4i64
for AVX and AVX2.
Bug 14865.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172708 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/avx2-conversions.ll')
| -rwxr-xr-x | test/CodeGen/X86/avx2-conversions.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/CodeGen/X86/avx2-conversions.ll b/test/CodeGen/X86/avx2-conversions.ll index 3ce08dcc73..17bd10a76e 100755 --- a/test/CodeGen/X86/avx2-conversions.ll +++ b/test/CodeGen/X86/avx2-conversions.ll @@ -107,3 +107,15 @@ define <8 x i32> @load_sext_test5(<8 x i8> *%ptr) { %Y = sext <8 x i8> %X to <8 x i32> ret <8 x i32>%Y } + +; CHECK: load_sext_test6 +; CHECK: vpmovsxbd (%r{{[^,]*}}), %ymm{{.*}} +; CHECK: vpmovsxdq +; CHECK: vpmovsxdq +; CHECK: ret +define <8 x i64> @load_sext_test6(<8 x i8> *%ptr) { + %X = load <8 x i8>* %ptr + %Y = sext <8 x i8> %X to <8 x i64> + ret <8 x i64>%Y +} + |