From 3fba7d16b41dfbefe3b1be6bc0ab94c017728f79 Mon Sep 17 00:00:00 2001 From: rdivacky Date: Fri, 15 Jan 2010 15:37:28 +0000 Subject: Update LLVM to 93512. --- include/llvm/Transforms/Utils/Local.h | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) (limited to 'include/llvm/Transforms/Utils/Local.h') diff --git a/include/llvm/Transforms/Utils/Local.h b/include/llvm/Transforms/Utils/Local.h index 2cdd31f..0b8147e 100644 --- a/include/llvm/Transforms/Utils/Local.h +++ b/include/llvm/Transforms/Utils/Local.h @@ -27,7 +27,7 @@ class PHINode; class AllocaInst; class ConstantExpr; class TargetData; -struct DbgInfoIntrinsic; +class DbgInfoIntrinsic; template class SmallVectorImpl; @@ -63,16 +63,25 @@ bool isInstructionTriviallyDead(Instruction *I); /// RecursivelyDeleteTriviallyDeadInstructions - If the specified value is a /// trivially dead instruction, delete it. If that makes any of its operands -/// trivially dead, delete them too, recursively. -void RecursivelyDeleteTriviallyDeadInstructions(Value *V); +/// trivially dead, delete them too, recursively. Return true if any +/// instructions were deleted. +bool RecursivelyDeleteTriviallyDeadInstructions(Value *V); /// RecursivelyDeleteDeadPHINode - If the specified value is an effectively /// dead PHI node, due to being a def-use chain of single-use nodes that /// either forms a cycle or is terminated by a trivially dead instruction, /// delete it. If that makes any of its operands trivially dead, delete them -/// too, recursively. -void RecursivelyDeleteDeadPHINode(PHINode *PN); +/// too, recursively. Return true if the PHI node is actually deleted. +bool RecursivelyDeleteDeadPHINode(PHINode *PN); + +/// SimplifyInstructionsInBlock - Scan the specified basic block and try to +/// simplify any instructions in it and recursively delete dead instructions. +/// +/// This returns true if it changed the code, note that it can delete +/// instructions in other blocks as well in this block. +bool SimplifyInstructionsInBlock(BasicBlock *BB, const TargetData *TD = 0); + //===----------------------------------------------------------------------===// // Control Flow Graph Restructuring. // -- cgit v1.1