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Do not use typeinfo to identify pass in pass manager.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36632 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2007-05-01 21:15:47 +00:00
parent e50fb9ac17
commit 794fd75c67
154 changed files with 687 additions and 129 deletions
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6
lib/Analysis/BasicAliasAnalysis.cpp
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@ -36,6 +36,9 @@ namespace {
/// such it doesn't follow many of the rules that other alias analyses must.
///
struct VISIBILITY_HIDDEN NoAA : public ImmutablePass, public AliasAnalysis {
static const int ID; // Class identification, replacement for typeinfo
NoAA() : ImmutablePass((intptr_t)&ID) {}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<TargetData>();
}
@ -74,6 +77,7 @@ namespace {
};
// Register this pass...
const int NoAA::ID = 0;
RegisterPass<NoAA>
U("no-aa", "No Alias Analysis (always returns 'may' alias)");
@ -88,6 +92,7 @@ namespace {
/// Because it doesn't chain to a previous alias analysis (like -no-aa), it
/// derives from the NoAA class.
struct VISIBILITY_HIDDEN BasicAliasAnalysis : public NoAA {
static const int ID; // Class identification, replacement for typeinfo
AliasResult alias(const Value *V1, unsigned V1Size,
const Value *V2, unsigned V2Size);
@ -119,6 +124,7 @@ namespace {
};
// Register this pass...
const int BasicAliasAnalysis::ID = 0;
RegisterPass<BasicAliasAnalysis>
X("basicaa", "Basic Alias Analysis (default AA impl)");