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author | Andrew Trick <atrick@apple.com> | 2012-04-24 17:56:43 +0000 |
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committer | Andrew Trick <atrick@apple.com> | 2012-04-24 17:56:43 +0000 |
commit | 006e1abf76148626fb38de1b643c2d31de7f08a7 (patch) | |
tree | d6a2d36b8cc936af54ace586bbdcc14eb0bc106d /include/llvm/CodeGen/ScheduleDAGInstrs.h | |
parent | 4dfeef100d940a0c1ca22055dcb29b02a4848f65 (diff) | |
download | external_llvm-006e1abf76148626fb38de1b643c2d31de7f08a7.zip external_llvm-006e1abf76148626fb38de1b643c2d31de7f08a7.tar.gz external_llvm-006e1abf76148626fb38de1b643c2d31de7f08a7.tar.bz2 |
misched: DAG builder support for tracking register pressure within the current scheduling region.
The DAG builder is a convenient place to do it. Hopefully this is more
efficient than a separate traversal over the same region.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155456 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/ScheduleDAGInstrs.h')
-rw-r--r-- | include/llvm/CodeGen/ScheduleDAGInstrs.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/llvm/CodeGen/ScheduleDAGInstrs.h b/include/llvm/CodeGen/ScheduleDAGInstrs.h index 766c9b2..dcf72c7 100644 --- a/include/llvm/CodeGen/ScheduleDAGInstrs.h +++ b/include/llvm/CodeGen/ScheduleDAGInstrs.h @@ -28,6 +28,7 @@ namespace llvm { class MachineLoopInfo; class MachineDominatorTree; class LiveIntervals; + class RegPressureTracker; /// LoopDependencies - This class analyzes loop-oriented register /// dependencies, which are used to guide scheduling decisions. @@ -275,7 +276,7 @@ namespace llvm { /// buildSchedGraph - Build SUnits from the MachineBasicBlock that we are /// input. - void buildSchedGraph(AliasAnalysis *AA); + void buildSchedGraph(AliasAnalysis *AA, RegPressureTracker *RPTracker = 0); /// addSchedBarrierDeps - Add dependencies from instructions in the current /// list of instructions being scheduled to scheduling barrier. We want to |