[llvm] 37cdac6 - [X86] LowerAVXExtend - fix dodgy self-comparison assert.

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2019-11-06T12:50:29Z
New Revision: 37cdac6344fbb51b40152e24470a61e940c76d12

URL: https://github.com/llvm/llvm-project/commit/37cdac6344fbb51b40152e24470a61e940c76d12
DIFF: https://github.com/llvm/llvm-project/commit/37cdac6344fbb51b40152e24470a61e940c76d12.diff

LOG: [X86] LowerAVXExtend - fix dodgy self-comparison assert.

PVS Studio noticed that we were asserting "VT.getVectorNumElements() == VT.getVectorNumElements()" instead of "VT.getVectorNumElements() == InVT.getVectorNumElements()".

Added: 
    

Modified: 
    llvm/lib/Target/X86/X86ISelLowering.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 1ea147c16f7c..d1ed862db55e 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -19035,7 +19035,7 @@ static SDValue LowerAVXExtend(SDValue Op, SelectionDAG &DAG,
   assert(VT.isVector() && InVT.isVector() && "Expected vector type");
   assert((Opc == ISD::ANY_EXTEND || Opc == ISD::ZERO_EXTEND) &&
          "Unexpected extension opcode");
-  assert(VT.getVectorNumElements() == VT.getVectorNumElements() &&
+  assert(VT.getVectorNumElements() == InVT.getVectorNumElements() &&
          "Expected same number of elements");
   assert((VT.getVectorElementType() == MVT::i16 ||
           VT.getVectorElementType() == MVT::i32 ||