From f6b684c50510a13fd5b5823e84207f0f8ed0c92e Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 26 Sep 2002 16:17:33 +0000 Subject: [PATCH] Checkin new loop-preheader insertion pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3943 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Transforms/Scalar.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/llvm/Transforms/Scalar.h b/include/llvm/Transforms/Scalar.h index 79f10298a5b..3161d68b0a0 100644 --- a/include/llvm/Transforms/Scalar.h +++ b/include/llvm/Transforms/Scalar.h @@ -188,6 +188,19 @@ Pass *createCFGSimplificationPass(); Pass *createBreakCriticalEdgesPass(); extern const PassInfo *BreakCriticalEdgesID; + +//===----------------------------------------------------------------------===// +// +// LoopPreheaders pass - Insert Pre-header blocks into the CFG for every +// function in the module. This pass updates dominator information, loop +// information, and does not add critical edges to the CFG. +// +// AU.addRequiredID(LoopPreheadersID); +// +Pass *createLoopPreheaderInsertionPass(); +extern const PassInfo *LoopPreheadersID; + + //===----------------------------------------------------------------------===// // These two passes convert malloc and free instructions to and from %malloc & // %free function calls. -- 2.34.1