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author | Stephen Hines <srhines@google.com> | 2014-05-29 02:49:00 -0700 |
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committer | Stephen Hines <srhines@google.com> | 2014-05-29 02:49:00 -0700 |
commit | dce4a407a24b04eebc6a376f8e62b41aaa7b071f (patch) | |
tree | dcebc53f2b182f145a2e659393bf9a0472cedf23 /lib/Target/TargetSubtargetInfo.cpp | |
parent | 220b921aed042f9e520c26cffd8282a94c66c3d5 (diff) | |
download | external_llvm-dce4a407a24b04eebc6a376f8e62b41aaa7b071f.tar.gz external_llvm-dce4a407a24b04eebc6a376f8e62b41aaa7b071f.tar.bz2 external_llvm-dce4a407a24b04eebc6a376f8e62b41aaa7b071f.zip |
Update LLVM for 3.5 rebase (r209712).
Change-Id: I149556c940fb7dc92d075273c87ff584f400941f
Diffstat (limited to 'lib/Target/TargetSubtargetInfo.cpp')
-rw-r--r-- | lib/Target/TargetSubtargetInfo.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/lib/Target/TargetSubtargetInfo.cpp b/lib/Target/TargetSubtargetInfo.cpp index df8948f0bc..3ca13dac03 100644 --- a/lib/Target/TargetSubtargetInfo.cpp +++ b/lib/Target/TargetSubtargetInfo.cpp @@ -24,11 +24,12 @@ TargetSubtargetInfo::TargetSubtargetInfo() {} TargetSubtargetInfo::~TargetSubtargetInfo() {} // Temporary option to compare overall performance change when moving from the -// SD scheduler to the MachineScheduler pass pipeline. It should be removed -// before 3.4. The normal way to enable/disable the MachineScheduling pass -// itself is by using -enable-misched. For targets that already use MI sched -// (via MySubTarget::enableMachineScheduler()) -misched-bench=false negates the -// subtarget hook. +// SD scheduler to the MachineScheduler pass pipeline. This is convenient for +// benchmarking during the transition from SD to MI scheduling. Once armv7 makes +// the switch, it should go away. The normal way to enable/disable the +// MachineScheduling pass itself is by using -enable-misched. For targets that +// already use MI sched (via MySubTarget::enableMachineScheduler()) +// -misched-bench=false negates the subtarget hook. static cl::opt<bool> BenchMachineSched("misched-bench", cl::Hidden, cl::desc("Migrate from the target's default SD scheduler to MI scheduler")); |