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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10529 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2003-12-19 05:56:28 +00:00
parent bb0aca5917
commit abbc2dd779
2 changed files with 51 additions and 10 deletions
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10
include/llvm/Transforms/Utils/Local.h
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@ -20,6 +20,7 @@
namespace llvm {
class Pass;
class PHINode;
//===----------------------------------------------------------------------===//
// Local constant propagation...
@ -55,6 +56,15 @@ bool isInstructionTriviallyDead(Instruction *I);
///
bool dceInstruction(BasicBlock::iterator &BBI);
//===----------------------------------------------------------------------===//
// PHI Instruction Simplification
//
/// hasConstantValue - If the specified PHI node always merges together the same
/// value, return the value, otherwise return null.
///
Value *hasConstantValue(PHINode *PN);
//===----------------------------------------------------------------------===//
// Control Flow Graph Restructuring...