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Fix a use after free. RI is freed before the call to getDebugLoc(). To
prevent this, capture the location before RI is freed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180824 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -853,11 +853,12 @@ bool llvm::InlineFunction(CallSite CS, InlineFunctionInfo &IFI,
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// Add a branch to the merge points and remove return instructions.
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ReturnInst *RI;
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DebugLoc Loc;
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for (unsigned i = 0, e = Returns.size(); i != e; ++i) {
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RI = Returns[i];
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ReturnInst *RI = Returns[i];
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BranchInst* BI = BranchInst::Create(AfterCallBB, RI);
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BI->setDebugLoc(RI->getDebugLoc());
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Loc = RI->getDebugLoc();
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BI->setDebugLoc(Loc);
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RI->eraseFromParent();
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}
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// We need to set the debug location to *somewhere* inside the
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@ -865,7 +866,7 @@ bool llvm::InlineFunction(CallSite CS, InlineFunctionInfo &IFI,
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// instruction will at least be associated with the right
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// function.
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if (CreatedBranchToNormalDest)
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CreatedBranchToNormalDest->setDebugLoc(RI->getDebugLoc());
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CreatedBranchToNormalDest->setDebugLoc(Loc);
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} else if (!Returns.empty()) {
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// Otherwise, if there is exactly one return value, just replace anything
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// using the return value of the call with the computed value.
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