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authorBruno Cardoso Lopes <bruno.cardoso@gmail.com>2011-07-29 01:31:15 +0000
committerBruno Cardoso Lopes <bruno.cardoso@gmail.com>2011-07-29 01:31:15 +0000
commitdd6353073f8345e76716e5785da5a48bc964eac9 (patch)
tree637d5af8da44798af6a8b89436897a600c7eecfe /test
parent2eb4c2bcadfbef9d3c4e2fbb6478ed5dc3d65524 (diff)
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Match VPERMIL masks more strictly and update the target specific mask
generation to always catch the weird cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136453 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/CodeGen/X86/avx-vpermil.ll10
1 files changed, 10 insertions, 0 deletions
diff --git a/test/CodeGen/X86/avx-vpermil.ll b/test/CodeGen/X86/avx-vpermil.ll
index f059948..a3e916d 100644
--- a/test/CodeGen/X86/avx-vpermil.ll
+++ b/test/CodeGen/X86/avx-vpermil.ll
@@ -27,3 +27,13 @@ entry:
%shuffle = shufflevector <4 x i64> %a, <4 x i64> undef, <4 x i32> <i32 1, i32 0, i32 3, i32 3>
ret <4 x i64> %shuffle
}
+
+; vpermil should match masks like this: <u,3,1,2,4,u,5,6>. Check that the
+; target specific mask was correctly generated.
+; CHECK: vpermilps $-100
+define <8 x float> @funcA(<8 x float> %a) nounwind uwtable readnone ssp {
+entry:
+ %shuffle = shufflevector <8 x float> %a, <8 x float> undef, <8 x i32> <i32 8, i32 3, i32 1, i32 2, i32 4, i32 8, i32 5, i32 6>
+ ret <8 x float> %shuffle
+}
+