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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-08-31 19:54:25 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-08-31 19:54:25 +0000 |
| commit | 2c325dc907bc84702cc76e64dd25bb1384143fed (patch) | |
| tree | 32d652941e002144800537104b87232bbfe3f0d1 /llvm | |
| parent | 529f248eb4a107946e7fa1013370f514c7d7dcea (diff) | |
| download | bcm5719-llvm-2c325dc907bc84702cc76e64dd25bb1384143fed.tar.gz bcm5719-llvm-2c325dc907bc84702cc76e64dd25bb1384143fed.zip | |
Ignore unallocatable registers in RegAllocFast.
llvm-svn: 112632
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocFast.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/RegAllocFast.cpp b/llvm/lib/CodeGen/RegAllocFast.cpp index 8f6496dcac7..237686859fa 100644 --- a/llvm/lib/CodeGen/RegAllocFast.cpp +++ b/llvm/lib/CodeGen/RegAllocFast.cpp @@ -736,7 +736,8 @@ void RAFast::AllocateBasicBlock() { // Add live-in registers as live. for (MachineBasicBlock::livein_iterator I = MBB->livein_begin(), E = MBB->livein_end(); I != E; ++I) - definePhysReg(MII, *I, regReserved); + if (Allocatable.test(*I)) + definePhysReg(MII, *I, regReserved); SmallVector<unsigned, 8> VirtDead; SmallVector<MachineInstr*, 32> Coalesced; |
