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Revert "ImproveMemOps: consider zext in lOffsets32BitSafe"

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This reverts commit 99a7893062.
This commit is contained in:
Aleksei Nurmukhametov
2024-05-23 18:01:48 +01:00
committed by Aleksei Nurmukhametov
parent d65d7112b2
commit d394222aef
1 changed files with 0 additions and 4 deletions
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src/opt/ImproveMemoryOps.cpp
-4
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@@ -569,13 +569,9 @@ static bool lOffsets32BitSafe(llvm::Value **variableOffsetPtr, llvm::Value **con
if (variableOffset->getType() != LLVMTypes::Int32VectorType) {
llvm::SExtInst *sext = llvm::dyn_cast<llvm::SExtInst>(variableOffset);
llvm::ZExtInst *zext = llvm::dyn_cast<llvm::ZExtInst>(variableOffset);
if (sext != nullptr && sext->getOperand(0)->getType() == LLVMTypes::Int32VectorType)
// sext of a 32-bit vector -> the 32-bit vector is good
variableOffset = sext->getOperand(0);
else if (zext != nullptr && zext->getOperand(0)->getType() == LLVMTypes::Int32VectorType)
// zext of a 32-bit vector -> the 32-bit vector is good
variableOffset = zext->getOperand(0);
else if (lVectorIs32BitInts(variableOffset))
// The only constant vector we should have here is a vector of
// all zeros (i.e. a ConstantAggregateZero, but just in case,