From 8bed85099fd6ea5f408e5dbaa7c1e60dade7e159 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Tue, 22 Jun 2010 01:18:16 +0000 Subject: Tail merging pass shall not break up IT blocks. rdar://8115404 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106517 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/BranchFolding.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'lib/CodeGen/BranchFolding.h') diff --git a/lib/CodeGen/BranchFolding.h b/lib/CodeGen/BranchFolding.h index b087395..15dfa7f 100644 --- a/lib/CodeGen/BranchFolding.h +++ b/lib/CodeGen/BranchFolding.h @@ -102,8 +102,9 @@ namespace llvm { MachineBasicBlock *PredBB); void RemoveBlocksWithHash(unsigned CurHash, MachineBasicBlock* SuccBB, MachineBasicBlock* PredBB); - unsigned CreateCommonTailOnlyBlock(MachineBasicBlock *&PredBB, - unsigned maxCommonTailLength); + bool CreateCommonTailOnlyBlock(MachineBasicBlock *&PredBB, + unsigned maxCommonTailLength, + unsigned &commonTailIndex); bool OptimizeBranches(MachineFunction &MF); bool OptimizeBlock(MachineBasicBlock *MBB); -- cgit v1.1