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| author | Craig Topper <craig.topper@gmail.com> | 2012-05-21 06:40:16 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2012-05-21 06:40:16 +0000 |
| commit | 8ae97baef204508272b60f63da0ccf97ecf09b01 (patch) | |
| tree | fccdbe7380c4656b71bade17edc1c49e8920cce9 /test/CodeGen/X86/avx-shuffle.ll | |
| parent | 1dc12aa148f0ecb4135fa3e47e7a2ac81ceac394 (diff) | |
| download | llvm-8ae97baef204508272b60f63da0ccf97ecf09b01.tar.gz llvm-8ae97baef204508272b60f63da0ccf97ecf09b01.tar.bz2 llvm-8ae97baef204508272b60f63da0ccf97ecf09b01.tar.xz | |
Allow 256-bit shuffles to still be split even if only half of the shuffle comes from two 128-bit pieces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157175 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/avx-shuffle.ll')
| -rw-r--r-- | test/CodeGen/X86/avx-shuffle.ll | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/test/CodeGen/X86/avx-shuffle.ll b/test/CodeGen/X86/avx-shuffle.ll index e341aec94c..f1debffd11 100644 --- a/test/CodeGen/X86/avx-shuffle.ll +++ b/test/CodeGen/X86/avx-shuffle.ll @@ -149,17 +149,26 @@ entry: } ; PR12413 +; CHECK: shuf1 ; CHECK: vpshufb ; CHECK: vpshufb ; CHECK: vpshufb ; CHECK: vpshufb -define <32 x i8> @shuf(<32 x i8> %inval1, <32 x i8> %inval2) { +define <32 x i8> @shuf1(<32 x i8> %inval1, <32 x i8> %inval2) { entry: - %0 = shufflevector <32 x i8> %inval1, <32 x i8> %inval2, <32 x i32> <i32 0, -i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 -22, i32 24, i32 26, i32 28, i32 30, i32 32, i32 34, i32 36, i32 38, i32 40, i32 -42, i32 44, i32 46, i32 48, i32 50, i32 52, i32 54, i32 56, i32 58, i32 60, i32 -62> + %0 = shufflevector <32 x i8> %inval1, <32 x i8> %inval2, <32 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30, i32 32, i32 34, i32 36, i32 38, i32 40, i32 42, i32 44, i32 46, i32 48, i32 50, i32 52, i32 54, i32 56, i32 58, i32 60, i32 62> + ret <32 x i8> %0 +} + +; handle the case where only half of the 256-bits is splittable +; CHECK: shuf2 +; CHECK: vpshufb +; CHECK: vpshufb +; CHECK: vpextrb +; CHECK: vpextrb +define <32 x i8> @shuf2(<32 x i8> %inval1, <32 x i8> %inval2) { +entry: + %0 = shufflevector <32 x i8> %inval1, <32 x i8> %inval2, <32 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30, i32 31, i32 34, i32 36, i32 38, i32 40, i32 42, i32 44, i32 46, i32 48, i32 50, i32 52, i32 54, i32 56, i32 58, i32 60, i32 62> ret <32 x i8> %0 } |