diff options
| -rw-r--r-- | lib/CodeGen/VirtRegMap.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/CodeGen/VirtRegMap.h b/lib/CodeGen/VirtRegMap.h index 90bd2af4e7..f6a1cecd67 100644 --- a/lib/CodeGen/VirtRegMap.h +++ b/lib/CodeGen/VirtRegMap.h @@ -57,6 +57,10 @@ namespace llvm { v2ssMap_(mf.getSSARegMap()->getNumVirtualRegs(), NO_STACK_SLOT) { } + bool hasPhys(unsigned virtReg) const { + return getPhys(virtReg) != NO_PHYS_REG; + } + unsigned getPhys(unsigned virtReg) const { assert(MRegisterInfo::isVirtualRegister(virtReg)); return v2pMap_[toIndex(virtReg)]; @@ -78,6 +82,10 @@ namespace llvm { v2pMap_[toIndex(virtReg)] = NO_PHYS_REG; } + bool hasStackSlot(unsigned virtReg) const { + return getStackSlot(virtReg) != NO_STACK_SLOT; + } + int getStackSlot(unsigned virtReg) const { assert(MRegisterInfo::isVirtualRegister(virtReg)); return v2ssMap_[toIndex(virtReg)]; |