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use AA::isMustAlias to simplify some calls.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130248 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2011-04-26 21:53:34 +00:00
parent 130131ea78
commit d5c7f7cb5e
1 changed files with 3 additions and 5 deletions
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8
lib/Analysis/MemoryDependenceAnalysis.cpp
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@@ -243,9 +243,8 @@ getPointerDependencyFrom(const AliasAnalysis::Location &MemLoc, bool isLoad,
// FIXME: This only considers queries directly on the invariant-tagged // FIXME: This only considers queries directly on the invariant-tagged
// pointer, not on query pointers that are indexed off of them. It'd // pointer, not on query pointers that are indexed off of them. It'd
// be nice to handle that at some point. // be nice to handle that at some point.
AliasAnalysis::AliasResult R = if (AA->isMustAlias(AliasAnalysis::Location(II->getArgOperand(1)),
AA->alias(AliasAnalysis::Location(II->getArgOperand(1)), MemLoc); MemLoc))
if (R == AliasAnalysis::MustAlias)
return MemDepResult::getDef(II); return MemDepResult::getDef(II);
continue; continue;
} }
@@ -317,8 +316,7 @@ getPointerDependencyFrom(const AliasAnalysis::Location &MemLoc, bool isLoad,
(isa<CallInst>(Inst) && extractMallocCall(Inst))) { (isa<CallInst>(Inst) && extractMallocCall(Inst))) {
const Value *AccessPtr = GetUnderlyingObject(MemLoc.Ptr, TD); const Value *AccessPtr = GetUnderlyingObject(MemLoc.Ptr, TD);
if (AccessPtr == Inst || if (AccessPtr == Inst || AA->isMustAlias(Inst, AccessPtr))
AA->alias(Inst, 1, AccessPtr, 1) == AliasAnalysis::MustAlias)
return MemDepResult::getDef(Inst); return MemDepResult::getDef(Inst);
continue; continue;
} }