MachineBasicBlock: Add liveins() method returning an iterator_range
llvm-svn: 245895
diff --git a/llvm/lib/Target/X86/X86FloatingPoint.cpp b/llvm/lib/Target/X86/X86FloatingPoint.cpp
index 36a8cdb..a6a0184 100644
--- a/llvm/lib/Target/X86/X86FloatingPoint.cpp
+++ b/llvm/lib/Target/X86/X86FloatingPoint.cpp
@@ -120,12 +120,10 @@
// Return a bitmask of FP registers in block's live-in list.
static unsigned calcLiveInMask(MachineBasicBlock *MBB) {
unsigned Mask = 0;
- for (MachineBasicBlock::livein_iterator I = MBB->livein_begin(),
- E = MBB->livein_end(); I != E; ++I) {
- unsigned Reg = *I;
- if (Reg < X86::FP0 || Reg > X86::FP6)
+ for (unsigned LI : MBB->liveins()) {
+ if (LI < X86::FP0 || LI > X86::FP6)
continue;
- Mask |= 1 << (Reg - X86::FP0);
+ Mask |= 1 << (LI - X86::FP0);
}
return Mask;
}