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authorAndrew Trick <atrick@apple.com>2012-04-24 17:56:43 +0000
committerAndrew Trick <atrick@apple.com>2012-04-24 17:56:43 +0000
commit006e1abf76148626fb38de1b643c2d31de7f08a7 (patch)
treed6a2d36b8cc936af54ace586bbdcc14eb0bc106d /include/llvm/CodeGen/ScheduleDAGInstrs.h
parent4dfeef100d940a0c1ca22055dcb29b02a4848f65 (diff)
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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.h3
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