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Fix another bug in r71252. This code supports GetElementPtr 

constant exprs as well as instructions.

llvm-svn: 71262
This commit is contained in:
Dan Gohman 2009-05-08 20:58:38 +00:00
parent 4861346c44
commit c05bb947c4
2 changed files with 3 additions and 3 deletions
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2
llvm/include/llvm/Analysis/ScalarEvolution.h
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@ -286,7 +286,7 @@ namespace llvm {
/// createNodeForGEP - Provide the special handling we need to analyze GEP /// createNodeForGEP - Provide the special handling we need to analyze GEP
/// SCEVs. /// SCEVs.
SCEVHandle createNodeForGEP(GetElementPtrInst *GEP); SCEVHandle createNodeForGEP(User *GEP);
/// ReplaceSymbolicValueWithConcrete - This looks up the computed SCEV value /// ReplaceSymbolicValueWithConcrete - This looks up the computed SCEV value
/// for the specified instruction and replaces any references to the /// for the specified instruction and replaces any references to the

4
llvm/lib/Analysis/ScalarEvolution.cpp
View File

@ -1866,7 +1866,7 @@ SCEVHandle ScalarEvolution::createNodeForPHI(PHINode *PN) {
/// createNodeForGEP - Expand GEP instructions into add and multiply /// createNodeForGEP - Expand GEP instructions into add and multiply
/// operations. This allows them to be analyzed by regular SCEV code. /// operations. This allows them to be analyzed by regular SCEV code.
/// ///
SCEVHandle ScalarEvolution::createNodeForGEP(GetElementPtrInst *GEP) { SCEVHandle ScalarEvolution::createNodeForGEP(User *GEP) {
const Type *IntPtrTy = TD->getIntPtrType(); const Type *IntPtrTy = TD->getIntPtrType();
Value *Base = GEP->getOperand(0); Value *Base = GEP->getOperand(0);
@ -2113,7 +2113,7 @@ SCEVHandle ScalarEvolution::createSCEV(Value *V) {
case Instruction::GetElementPtr: case Instruction::GetElementPtr:
if (!TD) break; // Without TD we can't analyze pointers. if (!TD) break; // Without TD we can't analyze pointers.
return createNodeForGEP(cast<GetElementPtrInst>(U)); return createNodeForGEP(U);
case Instruction::PHI: case Instruction::PHI:
return createNodeForPHI(cast<PHINode>(U)); return createNodeForPHI(cast<PHINode>(U));