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| author | Gerolf Hoflehner <ghoflehner@apple.com> | 2014-08-07 21:40:58 +0000 |
|---|---|---|
| committer | Gerolf Hoflehner <ghoflehner@apple.com> | 2014-08-07 21:40:58 +0000 |
| commit | 97c383bc368b780c1f684438c6538eb836133725 (patch) | |
| tree | 2c16f0509f6b6fcd521cbaa92a5c65859582d8a1 /llvm/lib/CodeGen/MachineCombiner.cpp | |
| parent | ae2a9a236f5449f6bd41e740e7a7ee2b91da7b06 (diff) | |
| download | bcm5719-llvm-97c383bc368b780c1f684438c6538eb836133725.tar.gz bcm5719-llvm-97c383bc368b780c1f684438c6538eb836133725.zip | |
MachineCombiner Pass for selecting faster instruction sequence on AArch64
Re-commit of r214832,r21469 with a work-around that
avoids the previous problem with gcc build compilers
The work-around is to use SmallVector instead of ArrayRef
of basic blocks in preservesResourceLen()/MachineCombiner.cpp
llvm-svn: 215151
Diffstat (limited to 'llvm/lib/CodeGen/MachineCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineCombiner.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineCombiner.cpp b/llvm/lib/CodeGen/MachineCombiner.cpp index 7cf3506c0a5..032b4ee5cbb 100644 --- a/llvm/lib/CodeGen/MachineCombiner.cpp +++ b/llvm/lib/CodeGen/MachineCombiner.cpp @@ -273,7 +273,9 @@ bool MachineCombiner::preservesResourceLen( // Compute current resource length - ArrayRef<const MachineBasicBlock *> MBBarr(MBB); + //ArrayRef<const MachineBasicBlock *> MBBarr(MBB); + SmallVector <const MachineBasicBlock *, 1> MBBarr; + MBBarr.push_back(MBB); unsigned ResLenBeforeCombine = BlockTrace.getResourceLength(MBBarr); // Deal with SC rather than Instructions. |
