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[x86] Add an assert to catch if we ever try to blend a v32i8 without
author
Chandler Carruth
<chandlerc@gmail.com>
Thu, 26 Feb 2015 21:18:20 +0000
(21:18 +0000)
committer
Chandler Carruth
<chandlerc@gmail.com>
Thu, 26 Feb 2015 21:18:20 +0000
(21:18 +0000)
AVX2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230688
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp
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diff --git
a/lib/Target/X86/X86ISelLowering.cpp
b/lib/Target/X86/X86ISelLowering.cpp
index
1c8de4a
..
4693125
100644
(file)
--- a/
lib/Target/X86/X86ISelLowering.cpp
+++ b/
lib/Target/X86/X86ISelLowering.cpp
@@
-6175,6
+6175,9
@@
static SDValue lowerVectorShuffleAsBlend(SDLoc DL, MVT VT, SDValue V1,
// FALLTHROUGH
case MVT::v16i8:
case MVT::v32i8: {
+ assert((VT.getSizeInBits() == 128 || Subtarget->hasAVX2()) &&
+ "256-bit byte-blends require AVX2 support!");
+
// Scale the blend by the number of bytes per element.
int Scale = VT.getScalarSizeInBits() / 8;