diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp b/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp index f480ed21eb6..dd1a4f331bf 100644 --- a/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp +++ b/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp @@ -667,13 +667,20 @@ void ISel::SelectBranchCC(SDOperand N) // Get the MBB we will fall through to so that we can hand it off to the // branch selection pass as an argument to the PPC::COND_BRANCH pseudo op. - ilist<MachineBasicBlock>::iterator It = BB; - MachineBasicBlock *Fallthrough = ++It; + //ilist<MachineBasicBlock>::iterator It = BB; + //MachineBasicBlock *Fallthrough = ++It; Select(N.getOperand(0)); //chain unsigned Opc = SelectSetCR0(N.getOperand(1)); - BuildMI(BB, PPC::COND_BRANCH, 4).addReg(PPC::CR0).addImm(Opc) - .addMBB(Dest).addMBB(Fallthrough); + // FIXME: Use this once we have something approximating two-way branches + // We cannot currently use this in case the ISel hands us something like + // BRcc MBBx + // BR MBBy + // since the fallthrough basic block for the conditional branch does not start + // with the unconditional branch (it is skipped over). + //BuildMI(BB, PPC::COND_BRANCH, 4).addReg(PPC::CR0).addImm(Opc) + // .addMBB(Dest).addMBB(Fallthrough); + BuildMI(BB, Opc, 2).addReg(PPC::CR0).addMBB(Dest); return; } |
