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author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-10-23 21:06:07 +0000 |
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committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-10-23 21:06:07 +0000 |
commit | bb41c75ab51fcfc3ad36d3f8a438652b141e0fc0 (patch) | |
tree | 1bb8f7c09feb260afbdaedf1b4ce48f42c0d3024 /test/CodeGen/X86/avx-trunc.ll | |
parent | d7da59004fc9262f33c96ad2736b36ff1235ce7b (diff) | |
download | llvm-bb41c75ab51fcfc3ad36d3f8a438652b141e0fc0.tar.gz llvm-bb41c75ab51fcfc3ad36d3f8a438652b141e0fc0.tar.bz2 llvm-bb41c75ab51fcfc3ad36d3f8a438652b141e0fc0.tar.xz |
X86: Custom lower sext v16i8 to v16i16, and the corresponding truncate.
Also update the cost model.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193270 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/avx-trunc.ll')
-rw-r--r-- | test/CodeGen/X86/avx-trunc.ll | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/test/CodeGen/X86/avx-trunc.ll b/test/CodeGen/X86/avx-trunc.ll index d007736644..58d0a35690 100644 --- a/test/CodeGen/X86/avx-trunc.ll +++ b/test/CodeGen/X86/avx-trunc.ll @@ -12,4 +12,9 @@ define <8 x i16> @trunc_32_16(<8 x i32> %A) nounwind uwtable readnone ssp{ %B = trunc <8 x i32> %A to <8 x i16> ret <8 x i16>%B } - +define <16 x i8> @trunc_16_8(<16 x i16> %A) nounwind uwtable readnone ssp{ +; CHECK-LABEL: trunc_16_8 +; CHECK: pshufb + %B = trunc <16 x i16> %A to <16 x i8> + ret <16 x i8> %B +} |