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author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-09-24 17:34:29 +0000 |
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committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-09-24 17:34:29 +0000 |
commit | d44f9f2ff88cd03e3f944ecdd6373737d5acdb90 (patch) | |
tree | 670adc8506299dfd0ef486b906c0cc9a6b6b4a72 /lib | |
parent | 085e23841e9c4f4682385fce456704a5f75f9cdc (diff) | |
download | external_llvm-d44f9f2ff88cd03e3f944ecdd6373737d5acdb90.zip external_llvm-d44f9f2ff88cd03e3f944ecdd6373737d5acdb90.tar.gz external_llvm-d44f9f2ff88cd03e3f944ecdd6373737d5acdb90.tar.bz2 |
MemoryBuiltins: Reinstate optimizing (uninitialized) loads from operator new.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191315 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Analysis/MemoryBuiltins.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/Analysis/MemoryBuiltins.cpp b/lib/Analysis/MemoryBuiltins.cpp index b904cb1..0db603b 100644 --- a/lib/Analysis/MemoryBuiltins.cpp +++ b/lib/Analysis/MemoryBuiltins.cpp @@ -31,12 +31,12 @@ using namespace llvm; enum AllocType { - MallocLike = 1<<0, // allocates - CallocLike = 1<<1, // allocates + bzero - ReallocLike = 1<<2, // reallocates - StrDupLike = 1<<3, - OpNewLike = 1<<4, // allocates; never returns null - AllocLike = MallocLike | CallocLike | StrDupLike | OpNewLike, + OpNewLike = 1<<0, // allocates; never returns null + MallocLike = 1<<1 | OpNewLike, // allocates; may return null + CallocLike = 1<<2, // allocates + bzero + ReallocLike = 1<<3, // reallocates + StrDupLike = 1<<4, + AllocLike = MallocLike | CallocLike | StrDupLike, AnyAlloc = AllocLike | ReallocLike }; @@ -118,7 +118,7 @@ static const AllocFnsTy *getAllocationData(const Value *V, AllocType AllocTy, return 0; const AllocFnsTy *FnData = &AllocationFnData[i]; - if ((FnData->AllocTy & AllocTy) == 0) + if ((FnData->AllocTy & AllocTy) != FnData->AllocTy) return 0; // Check function prototype. |