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Make the levelraise pass be well behaved w.r.t the TargetData that the current

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PassMAnager provides.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5896 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2003-04-24 18:25:27 +00:00
parent ad80a46caa
commit 16125fb749
4 changed files with 126 additions and 125 deletions
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19
lib/Transforms/TransformInternals.cpp
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@ -11,15 +11,9 @@
#include "llvm/Function.h"
#include "llvm/iOther.h"
// TargetData Hack: Eventually we will have annotations given to us by the
// backend so that we know stuff about type size and alignments. For now
// though, just use this, because it happens to match the model that GCC uses.
//
const TargetData TD("LevelRaise: Should be GCC though!");
static const Type *getStructOffsetStep(const StructType *STy, uint64_t &Offset,
std::vector<Value*> &Indices) {
std::vector<Value*> &Indices,
const TargetData &TD) {
assert(Offset < TD.getTypeSize(STy) && "Offset not in composite!");
const StructLayout *SL = TD.getStructLayout(STy);
@ -52,7 +46,7 @@ static const Type *getStructOffsetStep(const StructType *STy, uint64_t &Offset,
//
const Type *getStructOffsetType(const Type *Ty, unsigned &Offset,
std::vector<Value*> &Indices,
bool StopEarly) {
const TargetData &TD, bool StopEarly) {
if (Offset == 0 && StopEarly && !Indices.empty())
return Ty; // Return the leaf type
@ -60,7 +54,7 @@ const Type *getStructOffsetType(const Type *Ty, unsigned &Offset,
const Type *NextType;
if (const StructType *STy = dyn_cast<StructType>(Ty)) {
ThisOffset = Offset;
NextType = getStructOffsetStep(STy, ThisOffset, Indices);
NextType = getStructOffsetStep(STy, ThisOffset, Indices, TD);
} else if (const ArrayType *ATy = dyn_cast<ArrayType>(Ty)) {
assert(Offset < TD.getTypeSize(ATy) && "Offset not in composite!");
@ -75,7 +69,7 @@ const Type *getStructOffsetType(const Type *Ty, unsigned &Offset,
unsigned SubOffs = Offset - ThisOffset;
const Type *LeafTy = getStructOffsetType(NextType, SubOffs,
Indices, StopEarly);
Indices, TD, StopEarly);
Offset = ThisOffset + SubOffs;
return LeafTy;
}
@ -87,6 +81,7 @@ const Type *getStructOffsetType(const Type *Ty, unsigned &Offset,
//
const Type *ConvertableToGEP(const Type *Ty, Value *OffsetVal,
std::vector<Value*> &Indices,
const TargetData &TD,
BasicBlock::iterator *BI) {
const CompositeType *CompTy = dyn_cast<CompositeType>(Ty);
if (CompTy == 0) return 0;
@ -116,7 +111,7 @@ const Type *ConvertableToGEP(const Type *Ty, Value *OffsetVal,
if (const StructType *StructTy = dyn_cast<StructType>(CompTy)) {
// Step into the appropriate element of the structure...
uint64_t ActualOffset = (Offset < 0) ? 0 : (uint64_t)Offset;
NextTy = getStructOffsetStep(StructTy, ActualOffset, Indices);
NextTy = getStructOffsetStep(StructTy, ActualOffset, Indices, TD);
Offset -= ActualOffset;
} else {
const Type *ElTy = cast<SequentialType>(CompTy)->getElementType();