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author | Evan Cheng <evan.cheng@apple.com> | 2011-05-12 00:56:58 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2011-05-12 00:56:58 +0000 |
commit | cbc988be22bc9411d95215c8b7251b5f85710674 (patch) | |
tree | ae5cd0c28246db683604531890b7226d77b8633c /lib/CodeGen/IfConversion.cpp | |
parent | aeee4616dd12d58fd8d040ab00277747f0312321 (diff) | |
download | llvm-cbc988be22bc9411d95215c8b7251b5f85710674.tar.gz llvm-cbc988be22bc9411d95215c8b7251b5f85710674.tar.bz2 llvm-cbc988be22bc9411d95215c8b7251b5f85710674.tar.xz |
Re-commit 131172 with fix. MachineInstr identity checks should check dead
markers. In some cases a register def is dead on one path, but not on
another.
This is passing Clang self-hosting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131214 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/IfConversion.cpp')
-rw-r--r-- | lib/CodeGen/IfConversion.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/IfConversion.cpp b/lib/CodeGen/IfConversion.cpp index 790200b8df..8b2c981616 100644 --- a/lib/CodeGen/IfConversion.cpp +++ b/lib/CodeGen/IfConversion.cpp @@ -265,7 +265,7 @@ bool IfConverter::runOnMachineFunction(MachineFunction &MF) { if (!TII) return false; // Tail merge tend to expose more if-conversion opportunities. - BranchFolder BF(true); + BranchFolder BF(true, false); bool BFChange = BF.OptimizeFunction(MF, TII, MF.getTarget().getRegisterInfo(), getAnalysisIfAvailable<MachineModuleInfo>()); @@ -399,7 +399,7 @@ bool IfConverter::runOnMachineFunction(MachineFunction &MF) { BBAnalysis.clear(); if (MadeChange && IfCvtBranchFold) { - BranchFolder BF(false); + BranchFolder BF(false, false); BF.OptimizeFunction(MF, TII, MF.getTarget().getRegisterInfo(), getAnalysisIfAvailable<MachineModuleInfo>()); |