6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-08-18 12:29:21 +00:00
Code Issues Projects Releases Wiki Activity

Fix test: Transforms/LevelRaise/2003-11-28-IllegalTypeConversion.ll

Browse Source 
Some gep generalization changes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10252 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-11-29 05:31:25 +00:00
parent 7219a21138
commit 3607f4d217
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
lib/Transforms/ExprTypeConvert.cpp
View File

@ -257,7 +257,6 @@ bool ExpressionConvertibleToType(Value *V, const Type *Ty,
// and we could convert this to an appropriate GEP for the new type.
//
if (GEP->getNumOperands() == 2 &&
GEP->getOperand(1)->getType() == Type::LongTy &&
GEP->getType() == PointerType::get(Type::SByteTy)) {
// Do not Check to see if our incoming pointer can be converted
@ -285,7 +284,6 @@ bool ExpressionConvertibleToType(Value *V, const Type *Ty,
// getelemenptr [[int] *] * %reg115, long %reg138 ; [int]**
//
if (GEP->getNumOperands() == 2 &&
GEP->getOperand(1)->getType() == Type::LongTy &&
PTy->getElementType()->isSized() &&
TD.getTypeSize(PTy->getElementType()) ==
TD.getTypeSize(GEP->getType()->getElementType())) {
@ -466,11 +464,10 @@ Value *ConvertExpressionToType(Value *V, const Type *Ty, ValueMapCache &VMC,
}
if (Res == 0 && GEP->getNumOperands() == 2 &&
GEP->getOperand(1)->getType() == Type::LongTy &&
GEP->getType() == PointerType::get(Type::SByteTy)) {
// Otherwise, we can convert a GEP from one form to the other iff the
// current gep is of the form 'getelementptr [sbyte]*, unsigned N
// current gep is of the form 'getelementptr sbyte*, unsigned N
// and we could convert this to an appropriate GEP for the new type.
//
const PointerType *NewSrcTy = PointerType::get(PVTy);
@ -774,8 +771,12 @@ static bool OperandConvertibleToType(User *U, Value *V, const Type *Ty,
TD.getTypeSize(ElTy) != TD.getTypeSize(I->getOperand(0)->getType()))
return false;
// Can convert store if the incoming value is convertible...
return ExpressionConvertibleToType(I->getOperand(0), ElTy, CTMap, TD);
// Can convert store if the incoming value is convertible and if the
// result will preserve semantics...
const Type *Op0Ty = I->getOperand(0)->getType();
if (!(Op0Ty->isIntegral() ^ ElTy->isIntegral()) &&
!(Op0Ty->isFloatingPoint() ^ ElTy->isFloatingPoint()))
return ExpressionConvertibleToType(I->getOperand(0), ElTy, CTMap, TD);
}
return false;
}