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authorChris Lattner <sabre@nondot.org>2003-11-29 05:31:25 +0000
committerChris Lattner <sabre@nondot.org>2003-11-29 05:31:25 +0000
commit3607f4d21791d7b82739bb3797f52d2f199e476b (patch)
tree58373c0ed885c38d19bbb3e350794860c0a6f796 /lib/Transforms/ExprTypeConvert.cpp
parent7219a21138c61efdd1d1942173113423a63b192b (diff)
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Fix test: Transforms/LevelRaise/2003-11-28-IllegalTypeConversion.ll
Some gep generalization changes git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10252 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/ExprTypeConvert.cpp')
-rw-r--r--lib/Transforms/ExprTypeConvert.cpp13
1 files changed, 7 insertions, 6 deletions
diff --git a/lib/Transforms/ExprTypeConvert.cpp b/lib/Transforms/ExprTypeConvert.cpp
index 970be52aa4..518a548927 100644
--- a/lib/Transforms/ExprTypeConvert.cpp
+++ b/lib/Transforms/ExprTypeConvert.cpp
@@ -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;
}