Make this code less confusing. Instead of reassigning BB, just operate
on the original variables, so it's easier to see what is being done
to which blocks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102759 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 710c6d0..0593f4c 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -8556,21 +8556,17 @@
// copy0MBB:
// %FalseValue = ...
// # fallthrough to sinkMBB
- BB = copy0MBB;
-
- // Update machine-CFG edges
- BB->addSuccessor(sinkMBB);
+ copy0MBB->addSuccessor(sinkMBB);
// sinkMBB:
// %Result = phi [ %FalseValue, copy0MBB ], [ %TrueValue, thisMBB ]
// ...
- BB = sinkMBB;
- BuildMI(BB, DL, TII->get(X86::PHI), MI->getOperand(0).getReg())
+ BuildMI(sinkMBB, DL, TII->get(X86::PHI), MI->getOperand(0).getReg())
.addReg(MI->getOperand(1).getReg()).addMBB(copy0MBB)
.addReg(MI->getOperand(2).getReg()).addMBB(thisMBB);
F->DeleteMachineInstr(MI); // The pseudo instruction is gone now.
- return BB;
+ return sinkMBB;
}
MachineBasicBlock *