nemanjai added inline comments.
================
Comment at: llvm/lib/Target/PowerPC/PPCMIPeephole.cpp:1011
+ case PPC::TDI:
+ case PPC::TWI: {
+ MachineInstr *LiMIA = getVRegDefOrNull(&MI.getOperand(1), MRI);
----------------
Seems that we should be able to handle all 4 in the same block:
- Check that both operands are `LI[8]`/`LI[S][8]+ORI[8]` or an immediate
- Set the variables for the three constants
- Determine if this is an unconditional trap or never trap
- Emit the correct instruction
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D111434/new/
https://reviews.llvm.org/D111434
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