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author | Andrew Trick <atrick@apple.com> | 2012-11-13 08:47:29 +0000 |
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committer | Andrew Trick <atrick@apple.com> | 2012-11-13 08:47:29 +0000 |
commit | ad1cc1d1bfc0accd3f1af5c02ac367ff46a4bfdf (patch) | |
tree | 7e6931fc7c328f60aee2caa419f95ee78dc1b62e /lib/Target | |
parent | 265058d9239e6867d06dc8aa40db5f33390abd17 (diff) | |
download | llvm-ad1cc1d1bfc0accd3f1af5c02ac367ff46a4bfdf.tar.gz llvm-ad1cc1d1bfc0accd3f1af5c02ac367ff46a4bfdf.tar.bz2 llvm-ad1cc1d1bfc0accd3f1af5c02ac367ff46a4bfdf.tar.xz |
misched: Allow subtargets to enable misched and dependent options.
This allows me to begin enabling (or backing out) misched by default
for one subtarget at a time. To run misched we typically want to:
- Disable SelectionDAG scheduling (use the source order scheduler)
- Enable more aggressive coalescing (until we decide to always run the coalescer this way)
- Enable MachineScheduler pass itself.
Disabling PostRA sched may follow for some subtargets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167826 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
-rw-r--r-- | lib/Target/TargetSubtargetInfo.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/TargetSubtargetInfo.cpp b/lib/Target/TargetSubtargetInfo.cpp index 59ffdea00e..af0cef62d5 100644 --- a/lib/Target/TargetSubtargetInfo.cpp +++ b/lib/Target/TargetSubtargetInfo.cpp @@ -22,6 +22,10 @@ TargetSubtargetInfo::TargetSubtargetInfo() {} TargetSubtargetInfo::~TargetSubtargetInfo() {} +bool TargetSubtargetInfo::enableMachineScheduler() const { + return false; +} + bool TargetSubtargetInfo::enablePostRAScheduler( CodeGenOpt::Level OptLevel, AntiDepBreakMode& Mode, |