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| author | Owen Anderson <resistor@mac.com> | 2010-09-28 21:57:50 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2010-09-28 21:57:50 +0000 |
| commit | 654d5440a477b1f6c89b051107e041a331f78e27 (patch) | |
| tree | da901f24645ed369ad7c056b4e0ce3ab47e8787e /lib/CodeGen/TargetLoweringObjectFileImpl.cpp | |
| parent | fd60980eb248f44927ea55c1f8d11fa019d318a6 (diff) | |
Add a subtarget hook for reporting the misprediction penalty. Use this to provide more precise
cost modeling for if-conversion. Now if only we had a way to estimate the misprediction probability.
Adjsut CodeGen/ARM/ifcvt10.ll. The pipeline on Cortex-A8 is long enough that it is still profitable
to predicate an ldm, but the shorter pipeline on Cortex-A9 makes it unprofitable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114995 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TargetLoweringObjectFileImpl.cpp')
0 files changed, 0 insertions, 0 deletions