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make this a static function instead of a method.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92795 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-01-05 22:30:42 +00:00
parent 7c3ecb6838
commit 94aab49339
2 changed files with 5 additions and 6 deletions
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2
lib/Transforms/InstCombine/InstCombine.h
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@ -338,8 +338,6 @@ private:
Value *EvaluateInDifferentType(Value *V, const Type *Ty, bool isSigned);
bool CanEvaluateInDifferentType(Value *V, const Type *Ty,
unsigned CastOpc, int &NumCastsRemoved);
unsigned GetOrEnforceKnownAlignment(Value *V,
unsigned PrefAlign = 0);

9
lib/Transforms/InstCombine/InstCombineCasts.cpp
View File

@ -165,9 +165,8 @@ Instruction *InstCombiner::PromoteCastOfAllocation(BitCastInst &CI,
/// If CastOpc is a sext or zext, we are asking if the low bits of the value can
/// bit computed in a larger type, which is then and'd or sext_in_reg'd to get
/// the final result.
bool InstCombiner::CanEvaluateInDifferentType(Value *V, const Type *Ty,
unsigned CastOpc,
int &NumCastsRemoved){
static bool CanEvaluateInDifferentType(Value *V, const Type *Ty,
unsigned CastOpc, int &NumCastsRemoved) {
// We can always evaluate constants in another type.
if (isa<Constant>(V))
return true;
@ -274,7 +273,9 @@ bool InstCombiner::CanEvaluateInDifferentType(Value *V, const Type *Ty,
NumCastsRemoved);
}
case Instruction::PHI: {
// We can change a phi if we can change all operands.
// We can change a phi if we can change all operands. Note that we never
// get into trouble with cyclic PHIs here because we only consider
// instructions with a single use.
PHINode *PN = cast<PHINode>(I);
for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i)
if (!CanEvaluateInDifferentType(PN->getIncomingValue(i), Ty, CastOpc,