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Deinline a couple of methods. Improve comment.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12411 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-03-15 04:07:59 +00:00
parent 992860c44e
commit 5cb66e24d4
1 changed files with 7 additions and 12 deletions
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19
include/llvm/Analysis/AliasAnalysis.h
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@ -101,7 +101,8 @@ public:
virtual bool pointsToConstantMemory(const Value *P) { return false; }
/// doesNotAccessMemory - If the specified function is known to never read or
/// write memory, return true.
/// write memory, return true. If the function only reads from known-constant
/// memory, it is also legal to return true.
///
/// Many optimizations (such as CSE and LICM) can be performed on calls to it,
/// without worrying about aliasing properties, and many functions have this
@ -139,11 +140,7 @@ public:
/// a particular call site modifies or reads the memory specified by the
/// pointer.
///
virtual ModRefResult getModRefInfo(CallSite CS, Value *P, unsigned Size) {
// If P points to a constant memory location, the call definitely could not
// modify the memory location.
return pointsToConstantMemory(P) ? Ref : ModRef;
}
virtual ModRefResult getModRefInfo(CallSite CS, Value *P, unsigned Size);
/// getModRefInfo - Return information about whether two call sites may refer
/// to the same set of memory locations. This function returns NoModRef if
@ -151,17 +148,15 @@ public:
/// some of the same memory, Mod if they both write to some of the same
/// memory, and ModRef if they read and write to the same memory.
///
virtual ModRefResult getModRefInfo(CallSite CS1, CallSite CS2) {
return ModRef;
}
virtual ModRefResult getModRefInfo(CallSite CS1, CallSite CS2);
/// Convenience functions...
ModRefResult getModRefInfo(LoadInst *L, Value *P, unsigned Size);
ModRefResult getModRefInfo(StoreInst*S, Value *P, unsigned Size);
ModRefResult getModRefInfo(CallInst *C, Value *P, unsigned Size) {
ModRefResult getModRefInfo(StoreInst *S, Value *P, unsigned Size);
ModRefResult getModRefInfo(CallInst *C, Value *P, unsigned Size) {
return getModRefInfo(CallSite(C), P, Size);
}
ModRefResult getModRefInfo(InvokeInst*I, Value *P, unsigned Size) {
ModRefResult getModRefInfo(InvokeInst *I, Value *P, unsigned Size) {
return getModRefInfo(CallSite(I), P, Size);
}
ModRefResult getModRefInfo(Instruction *I, Value *P, unsigned Size) {