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authorBenjamin Kramer <benny.kra@googlemail.com>2013-10-23 21:06:07 +0000
committerBenjamin Kramer <benny.kra@googlemail.com>2013-10-23 21:06:07 +0000
commitbb41c75ab51fcfc3ad36d3f8a438652b141e0fc0 (patch)
tree1bb8f7c09feb260afbdaedf1b4ce48f42c0d3024 /test/CodeGen/X86/avx-trunc.ll
parentd7da59004fc9262f33c96ad2736b36ff1235ce7b (diff)
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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.ll7
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
+}