diff options
Diffstat (limited to 'include/llvm/CodeGen/RegisterScavenging.h')
| -rw-r--r-- | include/llvm/CodeGen/RegisterScavenging.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/RegisterScavenging.h b/include/llvm/CodeGen/RegisterScavenging.h index c8e2862f05..733c9e549d 100644 --- a/include/llvm/CodeGen/RegisterScavenging.h +++ b/include/llvm/CodeGen/RegisterScavenging.h @@ -78,6 +78,11 @@ public: void setUnused(unsigned Reg) { RegStates.set(Reg); } void setUnused(BitVector Regs) { RegStates |= Regs; } + /// FindUnusedReg - Find a unused register of the specified register class + /// from the specified set of registers. It return 0 is none is found. + unsigned FindUnusedReg(const TargetRegisterClass *RegClass, + const BitVector &Candidates) const; + /// FindUnusedReg - Find a unused register of the specified register class. /// Exclude callee saved registers if directed. It return 0 is none is found. unsigned FindUnusedReg(const TargetRegisterClass *RegClass, |