[PATCH] D111829: [Sanitizers] Replaced getMaxPointerSizeInBits with getPointerSizeInBits, which was causing failures for 32bit x86.

Kirill Stoimenov via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Oct 14 12:36:54 PDT 2021


kstoimenov created this revision.
Herald added a subscriber: hiraditya.
kstoimenov requested review of this revision.
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Herald added a subscriber: llvm-commits.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D111829

Files:
  llvm/lib/Analysis/StackSafetyAnalysis.cpp


Index: llvm/lib/Analysis/StackSafetyAnalysis.cpp
===================================================================
--- llvm/lib/Analysis/StackSafetyAnalysis.cpp
+++ llvm/lib/Analysis/StackSafetyAnalysis.cpp
@@ -154,7 +154,7 @@
 ConstantRange getStaticAllocaSizeRange(const AllocaInst &AI) {
   const DataLayout &DL = AI.getModule()->getDataLayout();
   TypeSize TS = DL.getTypeAllocSize(AI.getAllocatedType());
-  unsigned PointerSize = DL.getMaxPointerSizeInBits();
+  unsigned PointerSize = DL.getPointerSizeInBits();
   // Fallback to empty range for alloca size.
   ConstantRange R = ConstantRange::getEmpty(PointerSize);
   if (TS.isScalable())
@@ -752,10 +752,8 @@
         KV.second.Calls.clear();
     }
 
-  uint32_t PointerSize = Copy.begin()
-                             ->first->getParent()
-                             ->getDataLayout()
-                             .getMaxPointerSizeInBits();
+  uint32_t PointerSize =
+      Copy.begin()->first->getParent()->getDataLayout().getPointerSizeInBits();
   StackSafetyDataFlowAnalysis<GlobalValue> SSDFA(PointerSize, std::move(Copy));
 
   for (auto &F : SSDFA.run()) {


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