[PATCH] D30993: [InstCombine] Liberate assert in InstCombiner::visitZExt
Bjorn Pettersson via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Mar 16 02:52:14 PDT 2017
bjope updated this revision to Diff 91981.
bjope added a comment.
Updated the assert message (as suggested by hfinkel).
Minor updates to the summary.
https://reviews.llvm.org/D30993
Files:
lib/Transforms/InstCombine/InstCombineCasts.cpp
Index: lib/Transforms/InstCombine/InstCombineCasts.cpp
===================================================================
--- lib/Transforms/InstCombine/InstCombineCasts.cpp
+++ lib/Transforms/InstCombine/InstCombineCasts.cpp
@@ -904,8 +904,8 @@
unsigned BitsToClear;
if ((DestTy->isVectorTy() || shouldChangeType(SrcTy, DestTy)) &&
canEvaluateZExtd(Src, DestTy, BitsToClear, *this, &CI)) {
- assert(BitsToClear < SrcTy->getScalarSizeInBits() &&
- "Unreasonable BitsToClear");
+ assert(BitsToClear <= SrcTy->getScalarSizeInBits() &&
+ "Can't clear more bits than in SrcTy");
// Okay, we can transform this! Insert the new expression now.
DEBUG(dbgs() << "ICE: EvaluateInDifferentType converting expression type"
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