[PowerPC] Expand ISEL instruction into if-then-else sequence.

Generally, the ISEL is expanded into if-then-else sequence, in some
cases (like when the destination register is the same with the true
or false value register), it may just be expanded into just the if
or else sequence.

llvm-svn: 292154

1 files changed, 0 insertions, 6 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
index 51c86dd2170..315911db4e3 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -696,9 +696,6 @@ bool PPCInstrInfo::canInsertSelect(const MachineBasicBlock &MBB,
                 ArrayRef<MachineOperand> Cond,
                 unsigned TrueReg, unsigned FalseReg,
                 int &CondCycles, int &TrueCycles, int &FalseCycles) const {
-  if (!Subtarget.hasISEL())
-    return false;
-
   if (Cond.size() != 2)
     return false;
 
@@ -740,9 +737,6 @@ void PPCInstrInfo::insertSelect(MachineBasicBlock &MBB,
   assert(Cond.size() == 2 &&
          "PPC branch conditions have two components!");
 
-  assert(Subtarget.hasISEL() &&
-         "Cannot insert select on target without ISEL support");
-
   // Get the register classes.
   MachineRegisterInfo &MRI = MBB.getParent()->getRegInfo();
   const TargetRegisterClass *RC =