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[GMR] Only look in the associated allocs map for an underlying value if

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it wasn't one of the indirect globals (which clearly cannot be an
allocation function call). Also only do a single lookup into this map
instead of two. NFC.

llvm-svn: 242892
This commit is contained in:
Chandler Carruth 2015-07-22 11:43:24 +00:00
parent c9d371fb74
commit 41327e670f
1 changed files with 4 additions and 4 deletions
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8
lib/Analysis/IPA/GlobalsModRef.cpp
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@ -599,10 +599,10 @@ AliasResult GlobalsModRef::alias(const MemoryLocation &LocA,
// These pointers may also be from an allocation for the indirect global. If
// so, also handle them.
if (AllocsForIndirectGlobals.count(UV1))
GV1 = AllocsForIndirectGlobals[UV1];
if (AllocsForIndirectGlobals.count(UV2))
GV2 = AllocsForIndirectGlobals[UV2];
if (!GV1)
GV1 = AllocsForIndirectGlobals.lookup(UV1);
if (!GV2)
GV2 = AllocsForIndirectGlobals.lookup(UV2);
// Now that we know whether the two pointers are related to indirect globals,
// use this to disambiguate the pointers. If the pointers are based on