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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-12-09 21:20:46 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-12-09 21:20:46 +0000 |
| commit | ff092faffb85410b0013fb70bc991bb98b5663a5 (patch) | |
| tree | 940a3b079cbb20294eeada201cd85770b8f7d511 /lib | |
| parent | a0382c629093a2edd175dc256750667c296d3a43 (diff) | |
| download | llvm-ff092faffb85410b0013fb70bc991bb98b5663a5.tar.gz llvm-ff092faffb85410b0013fb70bc991bb98b5663a5.tar.bz2 llvm-ff092faffb85410b0013fb70bc991bb98b5663a5.tar.xz | |
Remember to filter out reserved rergisters from the allocation order.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121411 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/RegAllocGreedy.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp index eae4cccb54..3c166bac4b 100644 --- a/lib/CodeGen/RegAllocGreedy.cpp +++ b/lib/CodeGen/RegAllocGreedy.cpp @@ -165,7 +165,7 @@ bool RAGreedy::reassignVReg(LiveInterval &InterferingVReg, E = TRC->allocation_order_end(*MF); I != E; ++I) { unsigned PhysReg = *I; - if (PhysReg == OldPhysReg) + if (PhysReg == OldPhysReg || ReservedRegs.test(PhysReg)) continue; // Instantiate a "subquery", not to be confused with the Queries array. |