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Do not depend on the gep index types to determine what flavor of index it is

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10225 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-11-25 20:49:55 +00:00
parent 4af6de8f0a
commit 23e907082a
2 changed files with 46 additions and 38 deletions
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40
lib/Target/CBackend/CBackend.cpp
View File

@ -21,9 +21,10 @@
#include "llvm/Intrinsics.h"
#include "llvm/Analysis/FindUsedTypes.h"
#include "llvm/Analysis/ConstantsScanner.h"
#include "llvm/Support/CallSite.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
#include "llvm/Support/InstVisitor.h"
#include "llvm/Support/InstIterator.h"
#include "llvm/Support/CallSite.h"
#include "llvm/Support/Mangler.h"
#include "Support/StringExtras.h"
#include "Support/STLExtras.h"
@ -160,8 +161,8 @@ namespace {
}
void printBranchToBlock(BasicBlock *CurBlock, BasicBlock *SuccBlock,
unsigned Indent);
void printIndexingExpression(Value *Ptr, User::op_iterator I,
User::op_iterator E);
void printIndexingExpression(Value *Ptr, gep_type_iterator I,
gep_type_iterator E);
};
// Pass the Type* and the variable name and this prints out the variable
@ -381,8 +382,8 @@ void CWriter::printConstant(Constant *CPV) {
case Instruction::GetElementPtr:
Out << "(&(";
printIndexingExpression(CE->getOperand(0),
CPV->op_begin()+1, CPV->op_end());
printIndexingExpression(CE->getOperand(0), gep_type_begin(CPV),
gep_type_end(CPV));
Out << "))";
return;
case Instruction::Add:
@ -1336,8 +1337,8 @@ void CWriter::visitFreeInst(FreeInst &I) {
Out << ")";
}
void CWriter::printIndexingExpression(Value *Ptr, User::op_iterator I,
User::op_iterator E) {
void CWriter::printIndexingExpression(Value *Ptr, gep_type_iterator I,
gep_type_iterator E) {
bool HasImplicitAddress = false;
// If accessing a global value with no indexing, avoid *(&GV) syndrome
if (GlobalValue *V = dyn_cast<GlobalValue>(Ptr)) {
@ -1357,7 +1358,7 @@ void CWriter::printIndexingExpression(Value *Ptr, User::op_iterator I,
return;
}
const Constant *CI = dyn_cast<Constant>(I);
const Constant *CI = dyn_cast<Constant>(I.getOperand());
if (HasImplicitAddress && (!CI || !CI->isNullValue()))
Out << "(&";
@ -1373,22 +1374,24 @@ void CWriter::printIndexingExpression(Value *Ptr, User::op_iterator I,
if (HasImplicitAddress) {
++I;
} else if (CI && CI->isNullValue() && I+1 != E) {
} else if (CI && CI->isNullValue()) {
gep_type_iterator TmpI = I; ++TmpI;
// Print out the -> operator if possible...
if ((*(I+1))->getType() == Type::UByteTy) {
if (TmpI != E && isa<StructType>(*TmpI)) {
Out << (HasImplicitAddress ? "." : "->");
Out << "field" << cast<ConstantUInt>(*(I+1))->getValue();
I += 2;
Out << "field" << cast<ConstantUInt>(I.getOperand())->getValue();
I = ++TmpI;
}
}
for (; I != E; ++I)
if ((*I)->getType() == Type::LongTy) {
Out << "[";
writeOperand(*I);
Out << "]";
if (isa<StructType>(*I)) {
Out << ".field" << cast<ConstantUInt>(I.getOperand())->getValue();
} else {
Out << ".field" << cast<ConstantUInt>(*I)->getValue();
Out << "[";
writeOperand(I.getOperand());
Out << "]";
}
}
@ -1406,7 +1409,8 @@ void CWriter::visitStoreInst(StoreInst &I) {
void CWriter::visitGetElementPtrInst(GetElementPtrInst &I) {
Out << "&";
printIndexingExpression(I.getPointerOperand(), I.idx_begin(), I.idx_end());
printIndexingExpression(I.getPointerOperand(), gep_type_begin(I),
gep_type_end(I));
}
void CWriter::visitVANextInst(VANextInst &I) {

40
lib/Target/CBackend/Writer.cpp
View File

@ -21,9 +21,10 @@
#include "llvm/Intrinsics.h"
#include "llvm/Analysis/FindUsedTypes.h"
#include "llvm/Analysis/ConstantsScanner.h"
#include "llvm/Support/CallSite.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
#include "llvm/Support/InstVisitor.h"
#include "llvm/Support/InstIterator.h"
#include "llvm/Support/CallSite.h"
#include "llvm/Support/Mangler.h"
#include "Support/StringExtras.h"
#include "Support/STLExtras.h"
@ -160,8 +161,8 @@ namespace {
}
void printBranchToBlock(BasicBlock *CurBlock, BasicBlock *SuccBlock,
unsigned Indent);
void printIndexingExpression(Value *Ptr, User::op_iterator I,
User::op_iterator E);
void printIndexingExpression(Value *Ptr, gep_type_iterator I,
gep_type_iterator E);
};
// Pass the Type* and the variable name and this prints out the variable
@ -381,8 +382,8 @@ void CWriter::printConstant(Constant *CPV) {
case Instruction::GetElementPtr:
Out << "(&(";
printIndexingExpression(CE->getOperand(0),
CPV->op_begin()+1, CPV->op_end());
printIndexingExpression(CE->getOperand(0), gep_type_begin(CPV),
gep_type_end(CPV));
Out << "))";
return;
case Instruction::Add:
@ -1336,8 +1337,8 @@ void CWriter::visitFreeInst(FreeInst &I) {
Out << ")";
}
void CWriter::printIndexingExpression(Value *Ptr, User::op_iterator I,
User::op_iterator E) {
void CWriter::printIndexingExpression(Value *Ptr, gep_type_iterator I,
gep_type_iterator E) {
bool HasImplicitAddress = false;
// If accessing a global value with no indexing, avoid *(&GV) syndrome
if (GlobalValue *V = dyn_cast<GlobalValue>(Ptr)) {
@ -1357,7 +1358,7 @@ void CWriter::printIndexingExpression(Value *Ptr, User::op_iterator I,
return;
}
const Constant *CI = dyn_cast<Constant>(I);
const Constant *CI = dyn_cast<Constant>(I.getOperand());
if (HasImplicitAddress && (!CI || !CI->isNullValue()))
Out << "(&";
@ -1373,22 +1374,24 @@ void CWriter::printIndexingExpression(Value *Ptr, User::op_iterator I,
if (HasImplicitAddress) {
++I;
} else if (CI && CI->isNullValue() && I+1 != E) {
} else if (CI && CI->isNullValue()) {
gep_type_iterator TmpI = I; ++TmpI;
// Print out the -> operator if possible...
if ((*(I+1))->getType() == Type::UByteTy) {
if (TmpI != E && isa<StructType>(*TmpI)) {
Out << (HasImplicitAddress ? "." : "->");
Out << "field" << cast<ConstantUInt>(*(I+1))->getValue();
I += 2;
Out << "field" << cast<ConstantUInt>(I.getOperand())->getValue();
I = ++TmpI;
}
}
for (; I != E; ++I)
if ((*I)->getType() == Type::LongTy) {
Out << "[";
writeOperand(*I);
Out << "]";
if (isa<StructType>(*I)) {
Out << ".field" << cast<ConstantUInt>(I.getOperand())->getValue();
} else {
Out << ".field" << cast<ConstantUInt>(*I)->getValue();
Out << "[";
writeOperand(I.getOperand());
Out << "]";
}
}
@ -1406,7 +1409,8 @@ void CWriter::visitStoreInst(StoreInst &I) {
void CWriter::visitGetElementPtrInst(GetElementPtrInst &I) {
Out << "&";
printIndexingExpression(I.getPointerOperand(), I.idx_begin(), I.idx_end());
printIndexingExpression(I.getPointerOperand(), gep_type_begin(I),
gep_type_end(I));
}
void CWriter::visitVANextInst(VANextInst &I) {