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| author | Evan Cheng <evan.cheng@apple.com> | 2009-05-08 09:35:53 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-05-08 09:35:53 +0000 |
| commit | 6e7ac420dfc4c65af9f5deb8f7280e8164144bfe (patch) | |
| tree | 7a9d2d49db37bd72908d413df74bc474fe210c66 | |
| parent | c6368b6c0d6cb635be3a12698af0e97609f30fe5 (diff) | |
| download | external_llvm-6e7ac420dfc4c65af9f5deb8f7280e8164144bfe.zip external_llvm-6e7ac420dfc4c65af9f5deb8f7280e8164144bfe.tar.gz external_llvm-6e7ac420dfc4c65af9f5deb8f7280e8164144bfe.tar.bz2 | |
Reverse branch condition only when there is a conditional branch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71214 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/CodePlacementOpt.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/CodePlacementOpt.cpp b/lib/CodeGen/CodePlacementOpt.cpp index f6a8421..4276651 100644 --- a/lib/CodeGen/CodePlacementOpt.cpp +++ b/lib/CodeGen/CodePlacementOpt.cpp @@ -211,7 +211,8 @@ bool CodePlacementOpt::OptimizeIntraLoopEdges() { } else if (!FBB && SSMBB == TBB && Cond.empty()) { TBB = 0; --Cost; - } else if (!TII->ReverseBranchCondition(Cond)) { + } else if (!Cond.empty() && !TII->ReverseBranchCondition(Cond)) { + assert(SSMBB == TBB); TBB = FBB; FBB = 0; --Cost; |