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bug 122:

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- Correct isa<Constant> for GlobalValue subclass

llvm-svn: 14933
This commit is contained in:
Reid Spencer 2004-07-18 00:01:50 +00:00
parent 4005f11ca3
commit 27b74ad249
1 changed files with 7 additions and 2 deletions
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9
lib/VMCore/Value.cpp
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@ -15,6 +15,7 @@
#include "llvm/SymbolTable.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Constant.h"
#include "llvm/GlobalValue.h"
#include "Support/LeakDetector.h"
#include <algorithm>
#include <iostream>
@ -71,7 +72,10 @@ void Value::uncheckedReplaceAllUsesWith(Value *New) {
// Must handle Constants specially, we cannot call replaceUsesOfWith on a
// constant!
if (Constant *C = dyn_cast<Constant>(U.getUser())) {
C->replaceUsesOfWithOnConstant(this, New, true);
if (!isa<GlobalValue>(C))
C->replaceUsesOfWithOnConstant(this, New, true);
else
U.set(New);
} else {
U.set(New);
}
@ -97,7 +101,7 @@ void Value::replaceAllUsesWith(Value *New) {
void User::replaceUsesOfWith(Value *From, Value *To) {
if (From == To) return; // Duh what?
assert(!isa<Constant>(this) &&
assert(!isa<Constant>(this) || isa<GlobalValue>(this) &&
"Cannot call User::replaceUsesofWith on a constant!");
for (unsigned i = 0, E = getNumOperands(); i != E; ++i)
@ -108,3 +112,4 @@ void User::replaceUsesOfWith(Value *From, Value *To) {
setOperand(i, To); // Fix it now...
}
}