diff options
Diffstat (limited to 'lib/Analysis/BasicAliasAnalysis.cpp')
| -rw-r--r-- | lib/Analysis/BasicAliasAnalysis.cpp | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp index 617ae55d1a..e928a265ff 100644 --- a/lib/Analysis/BasicAliasAnalysis.cpp +++ b/lib/Analysis/BasicAliasAnalysis.cpp @@ -159,9 +159,6 @@ static bool AddressMightEscape(const Value *V) { return true; if (AddressMightEscape(I)) return true; break; - case Instruction::PHI: - if (AddressMightEscape(I)) return true; - break; default: return true; } @@ -178,7 +175,7 @@ AliasAnalysis::ModRefResult BasicAliasAnalysis::getModRefInfo(CallSite CS, Value *P, unsigned Size) { if (!isa<Constant>(P) && !isa<GlobalValue>(P)) if (const AllocationInst *AI = - dyn_cast<AllocationInst>(getUnderlyingObject(P))) { + dyn_cast_or_null<AllocationInst>(getUnderlyingObject(P))) { // Okay, the pointer is to a stack allocated object. If we can prove that // the pointer never "escapes", then we know the call cannot clobber it, // because it simply can't get its address. |