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The patchpoint lowering logic would crash with live constants equal to

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the tombstone or empty keys of a DenseMap<int64_t, T>.  This patch
fixes the issue (and adds a tests case).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221214 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjoy Das
2014-11-04 00:59:21 +00:00
parent a25032214d
commit 67bcf74b14
3 changed files with 94 additions and 1 deletions
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2
include/llvm/CodeGen/StackMaps.h
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@@ -142,7 +142,7 @@ private:
typedef SmallVector<Location, 8> LocationVec;
typedef SmallVector<LiveOutReg, 8> LiveOutVec;
typedef MapVector<int64_t, int64_t> ConstantPool;
typedef MapVector<uint64_t, uint64_t> ConstantPool;
typedef MapVector<const MCSymbol *, uint64_t> FnStackSizeMap;
struct CallsiteInfo {