MachineFrameInfo: Simplify pristine register calculation.

[oota-llvm.git] / lib / CodeGen / CriticalAntiDepBreaker.cpp

diff --git a/lib/CodeGen/CriticalAntiDepBreaker.cpp b/lib/CodeGen/CriticalAntiDepBreaker.cpp
index 3d62d48876025c1dfa95c5b44a368c7b96b127e8..dba280fd5aa25b67b9ad3b9224f2a7561e2a9744 100644 (file)
--- a/lib/CodeGen/CriticalAntiDepBreaker.cpp
+++ b/lib/CodeGen/CriticalAntiDepBreaker.cpp
@@ -71,7 +71,7 @@ void CriticalAntiDepBreaker::StartBlock(MachineBasicBlock *BB) {
   // all callee-saved registers. In non-return this is any
   // callee-saved register that is not saved in the prolog.
   const MachineFrameInfo *MFI = MF.getFrameInfo();
-  BitVector Pristine = MFI->getPristineRegs(BB);
+  BitVector Pristine = MFI->getPristineRegs(MF);
   for (const MCPhysReg *I = TRI->getCalleeSavedRegs(&MF); *I; ++I) {
     if (!IsReturnBlock && !Pristine.test(*I)) continue;
     for (MCRegAliasIterator AI(*I, TRI, true); AI.isValid(); ++AI) {