diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/CodeGen/RegAllocFast.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp index 8f6496dcac..237686859f 100644 --- a/lib/CodeGen/RegAllocFast.cpp +++ b/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; |