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| author | Andrew Trick <atrick@apple.com> | 2012-12-05 21:37:50 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2012-12-05 21:37:50 +0000 |
| commit | f3329c419b1010089e8aaf3d43b811ba12d94c8a (patch) | |
| tree | 07bf22c5a067653e6364ba6e3a8cd43cdeaf5306 /lib/CodeGen/RegisterPressure.cpp | |
| parent | f54f61538688eff25f392c2062b3a654394333aa (diff) | |
| download | llvm-f3329c419b1010089e8aaf3d43b811ba12d94c8a.tar.gz llvm-f3329c419b1010089e8aaf3d43b811ba12d94c8a.tar.bz2 llvm-f3329c419b1010089e8aaf3d43b811ba12d94c8a.tar.xz | |
RegisterPressureTracker: fix findUseBetween to handle DebugValue
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169427 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegisterPressure.cpp')
| -rw-r--r-- | lib/CodeGen/RegisterPressure.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/RegisterPressure.cpp b/lib/CodeGen/RegisterPressure.cpp index 1576b2abbe..c7859b9395 100644 --- a/lib/CodeGen/RegisterPressure.cpp +++ b/lib/CodeGen/RegisterPressure.cpp @@ -680,6 +680,8 @@ static bool findUseBetween(unsigned Reg, UI = MRI->use_nodbg_begin(Reg), UE = MRI->use_nodbg_end(); UI != UE; UI.skipInstruction()) { const MachineInstr* MI = &*UI; + if (MI->isDebugValue()) + continue; SlotIndex InstSlot = LIS->getInstructionIndex(MI).getRegSlot(); if (InstSlot >= PriorUseIdx && InstSlot < NextUseIdx) return true; |