Fold isRematerializable checks into isSafeToReMat.
llvm-svn: 55563
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index 0b1afa3..ce5c523 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -715,7 +715,9 @@
/// instruction which defined the specified register instead of copying it.
bool MachineInstr::isSafeToReMat(const TargetInstrInfo *TII, unsigned DstReg) {
bool SawStore = false;
- if (!isSafeToMove(TII, SawStore))
+ if (!getDesc().isRematerializable() ||
+ !TII->isTriviallyReMaterializable(this) ||
+ !isSafeToMove(TII, SawStore))
return false;
for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
MachineOperand &MO = getOperand(i);