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teach ValueMapper about BlockAddress', making bugpoint a lot more useful. 

llvm-svn: 85458
This commit is contained in:
Chris Lattner 2009-10-29 00:31:02 +00:00
parent cf5a47d63d
commit be060382e9
1 changed files with 10 additions and 7 deletions
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15
llvm/lib/Transforms/Utils/ValueMapper.cpp
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@ -13,11 +13,9 @@
//===----------------------------------------------------------------------===//
#include "llvm/Transforms/Utils/ValueMapper.h"
#include "llvm/BasicBlock.h"
#include "llvm/DerivedTypes.h" // For getNullValue(Type::Int32Ty)
#include "llvm/Constants.h"
#include "llvm/GlobalValue.h"
#include "llvm/Instruction.h"
#include "llvm/Function.h"
#include "llvm/Metadata.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/ErrorHandling.h"
@ -92,8 +90,8 @@ Value *llvm::MapValue(const Value *V, ValueMapTy &VM) {
return VM[V] = CE->getWithOperands(Ops);
}
if (ConstantVector *CP = dyn_cast<ConstantVector>(C)) {
for (User::op_iterator b = CP->op_begin(), i = b, e = CP->op_end();
if (ConstantVector *CV = dyn_cast<ConstantVector>(C)) {
for (User::op_iterator b = CV->op_begin(), i = b, e = CV->op_end();
i != e; ++i) {
Value *MV = MapValue(*i, VM);
if (MV != *i) {
@ -101,7 +99,7 @@ Value *llvm::MapValue(const Value *V, ValueMapTy &VM) {
// vector constant and return it.
//
std::vector<Constant*> Values;
Values.reserve(CP->getNumOperands());
Values.reserve(CV->getNumOperands());
for (User::op_iterator j = b; j != i; ++j)
Values.push_back(cast<Constant>(*j));
Values.push_back(cast<Constant>(MV));
@ -111,7 +109,12 @@ Value *llvm::MapValue(const Value *V, ValueMapTy &VM) {
}
}
return VM[V] = C;
}
if (BlockAddress *BA = dyn_cast<BlockAddress>(C)) {
Function *F = cast<Function>(MapValue(BA->getFunction(), VM));
BasicBlock *BB = cast<BasicBlock>(MapValue(BA->getBasicBlock(), VM));
return VM[V] = BlockAddress::get(F, BB);
}
llvm_unreachable("Unknown type of constant!");