diff options
author | Andrew Trick <atrick@apple.com> | 2011-01-21 05:51:33 +0000 |
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committer | Andrew Trick <atrick@apple.com> | 2011-01-21 05:51:33 +0000 |
commit | c8bfd1d78ff9a307d1d4cb57cce4549b538e60f4 (patch) | |
tree | 13af786aec75effa04412a01b22f838fdeee111f /include/llvm/CodeGen | |
parent | cd151d2f95eabae61b3cf8e675717d5674afbe85 (diff) |
Convert -enable-sched-cycles and -enable-sched-hazard to -disable
flags. They are still not enable in this revision.
Added TargetInstrInfo::isZeroCost() to fix a fundamental problem with
the scheduler's model of operand latency in the selection DAG.
Generalized unit tests to work with sched-cycles.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123969 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen')
-rw-r--r-- | include/llvm/CodeGen/ScheduleHazardRecognizer.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/ScheduleHazardRecognizer.h b/include/llvm/CodeGen/ScheduleHazardRecognizer.h index 4771a35bc7..2f53baa1c7 100644 --- a/include/llvm/CodeGen/ScheduleHazardRecognizer.h +++ b/include/llvm/CodeGen/ScheduleHazardRecognizer.h @@ -42,6 +42,8 @@ public: unsigned getMaxLookAhead() const { return MaxLookAhead; } + bool isEnabled() const { return MaxLookAhead != 0; } + /// atIssueLimit - Return true if no more instructions may be issued in this /// cycle. virtual bool atIssueLimit() const { return false; } |