Fix a tiny bug in the -no-aa pass, in which it did not ever get a target data.
This is a regression from 1.2, though noone uses -no-aa anyway
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14245 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index 9e8aed6..d578c9a 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -42,6 +42,14 @@
/// such it doesn't follow many of the rules that other alias analyses must.
///
struct NoAA : public ImmutablePass, public AliasAnalysis {
+ virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.addRequired<TargetData>();
+ }
+
+ virtual void initializePass() {
+ TD = &getAnalysis<TargetData>();
+ }
+
virtual AliasResult alias(const Value *V1, unsigned V1Size,
const Value *V2, unsigned V2Size) {
return MayAlias;
@@ -61,7 +69,6 @@
virtual void deleteValue(Value *V) {}
virtual void copyValue(Value *From, Value *To) {}
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {}
};
// Register this pass...
@@ -78,14 +85,6 @@
/// Because it doesn't chain to a previous alias analysis (like -no-aa), it
/// derives from the NoAA class.
struct BasicAliasAnalysis : public NoAA {
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequired<TargetData>();
- }
-
- virtual void initializePass() {
- TD = &getAnalysis<TargetData>();
- }
-
AliasResult alias(const Value *V1, unsigned V1Size,
const Value *V2, unsigned V2Size);