[llvm] 0c7f85d - [InstSimplify] Simplify fetching of index size (NFC)
Nikita Popov via llvm-commits
llvm-commits at lists.llvm.org
Sat Oct 23 13:08:25 PDT 2021
Author: Nikita Popov
Date: 2021-10-23T22:08:15+02:00
New Revision: 0c7f85d7864b233239d3163f6835f6ea8cd5e337
URL: https://github.com/llvm/llvm-project/commit/0c7f85d7864b233239d3163f6835f6ea8cd5e337
DIFF: https://github.com/llvm/llvm-project/commit/0c7f85d7864b233239d3163f6835f6ea8cd5e337.diff
LOG: [InstSimplify] Simplify fetching of index size (NFC)
Directly fetch the size instead of going through the index type
first.
Added:
Modified:
llvm/lib/Analysis/InstructionSimplify.cpp
Removed:
################################################################################
diff --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp
index cd59a7e7df470..e67ba55d395e9 100644
--- a/llvm/lib/Analysis/InstructionSimplify.cpp
+++ b/llvm/lib/Analysis/InstructionSimplify.cpp
@@ -698,13 +698,12 @@ static Constant *stripAndComputeConstantOffsets(const DataLayout &DL, Value *&V,
bool AllowNonInbounds = false) {
assert(V->getType()->isPtrOrPtrVectorTy());
- Type *IntIdxTy = DL.getIndexType(V->getType())->getScalarType();
- APInt Offset = APInt::getZero(IntIdxTy->getIntegerBitWidth());
+ APInt Offset = APInt::getZero(DL.getIndexTypeSizeInBits(V->getType()));
V = V->stripAndAccumulateConstantOffsets(DL, Offset, AllowNonInbounds);
// As that strip may trace through `addrspacecast`, need to sext or trunc
// the offset calculated.
- IntIdxTy = DL.getIndexType(V->getType())->getScalarType();
+ Type *IntIdxTy = DL.getIndexType(V->getType())->getScalarType();
Offset = Offset.sextOrTrunc(IntIdxTy->getIntegerBitWidth());
Constant *OffsetIntPtr = ConstantInt::get(IntIdxTy, Offset);
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