diff options
| -rw-r--r-- | lib/Target/ARM/ARMFastISel.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp index 9330e2d0f4..719cf5a61b 100644 --- a/lib/Target/ARM/ARMFastISel.cpp +++ b/lib/Target/ARM/ARMFastISel.cpp @@ -609,9 +609,8 @@ bool ARMFastISel::ARMComputeAddress(const Value *Obj, Address &Addr) { const User *U = NULL; unsigned Opcode = Instruction::UserOp1; if (const Instruction *I = dyn_cast<Instruction>(Obj)) { - // Don't walk into other basic blocks; it's possible we haven't - // visited them yet, so the instructions may not yet be assigned - // virtual registers. + // Don't walk into other basic blocks unless the object is an alloca from + // another block, otherwise it may not have a virtual register assigned. if (FuncInfo.StaticAllocaMap.count(static_cast<const AllocaInst *>(Obj)) || FuncInfo.MBBMap[I->getParent()] == FuncInfo.MBB) { Opcode = I->getOpcode(); |