diff options
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.cpp | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp index c967457..ccd1247 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.cpp +++ b/lib/Target/PowerPC/PPCInstrInfo.cpp @@ -900,22 +900,14 @@ bool PPCInstrInfo::isProfitableToIfCvt(MachineBasicBlock &TMBB, bool PPCInstrInfo::isPredicated(const MachineInstr *MI) const { - unsigned OpC = MI->getOpcode(); - switch (OpC) { - default: - return false; - case PPC::BCC: - case PPC::BCCTR: - case PPC::BCCTR8: - case PPC::BCCTRL: - case PPC::BCCTRL8: - case PPC::BCLR: - case PPC::BDZLR: - case PPC::BDZLR8: - case PPC::BDNZLR: - case PPC::BDNZLR8: - return true; - } + // The predicated branches are identified by their type, not really by the + // explicit presence of a predicate. Furthermore, some of them can be + // predicated more than once. Because if conversion won't try to predicate + // any instruction which already claims to be predicated (by returning true + // here), always return false. In doing so, we let isPredicable() be the + // final word on whether not the instruction can be (further) predicated. + + return false; } bool PPCInstrInfo::isUnpredicatedTerminator(const MachineInstr *MI) const { |