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| author | Stephen Hines <srhines@google.com> | 2013-05-02 16:19:29 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2013-05-02 16:19:29 -0700 |
| commit | 38578c4919ea18ceb27e29988b2d857afe6215bf (patch) | |
| tree | 6718ee1e6a1a59f46b6c847439ebfcd291c1e393 /lib/CodeGen/ScheduleDAGInstrs.cpp | |
| parent | ffb69c62ac54b0af5768ae9486b93b39a6c6b94c (diff) | |
| parent | a7a05ee70cb07f32996a0587a636b406c746b71b (diff) | |
| download | external_llvm-38578c4919ea18ceb27e29988b2d857afe6215bf.zip external_llvm-38578c4919ea18ceb27e29988b2d857afe6215bf.tar.gz external_llvm-38578c4919ea18ceb27e29988b2d857afe6215bf.tar.bz2 | |
Merge remote-tracking branch 'upstream/master' into merge-20130502
Conflicts:
lib/Support/Unix/Signals.inc
unittests/Transforms/Utils/Cloning.cpp
Change-Id: I027581a4390ec3ce4cd8d33da8b5f4c0c7d372c8
Diffstat (limited to 'lib/CodeGen/ScheduleDAGInstrs.cpp')
| -rw-r--r-- | lib/CodeGen/ScheduleDAGInstrs.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp index 71e7a21..e4da6a4 100644 --- a/lib/CodeGen/ScheduleDAGInstrs.cpp +++ b/lib/CodeGen/ScheduleDAGInstrs.cpp @@ -262,6 +262,9 @@ void ScheduleDAGInstrs::addPhysRegDataDeps(SUnit *SU, unsigned OperIdx) { if (UseOp < 0) Dep = SDep(SU, SDep::Artificial); else { + // Set the hasPhysRegDefs only for physreg defs that have a use within + // the scheduling region. + SU->hasPhysRegDefs = true; Dep = SDep(SU, SDep::Data, *Alias); RegUse = UseSU->getInstr(); Dep.setMinLatency( @@ -318,6 +321,7 @@ void ScheduleDAGInstrs::addPhysRegDeps(SUnit *SU, unsigned OperIdx) { } if (!MO.isDef()) { + SU->hasPhysRegUses = true; // Either insert a new Reg2SUnits entry with an empty SUnits list, or // retrieve the existing SUnits list for this register's uses. // Push this SUnit on the use list. |