================
@@ -131,6 +131,40 @@ void RegBankLegalizeHelper::widenLoad(MachineInstr &MI,
LLT WideTy,
MI.eraseFromParent();
}
+void RegBankLegalizeHelper::lowerVccExtToSel(MachineInstr &MI) {
+ Register Dst = MI.getOperand(0).getReg();
+ LLT Ty = MRI.getType(Dst);
+ Register Src = MI.getOperand(1).getReg();
+ unsigned Opc = MI.getOpcode();
+ if (Ty == S32 || Ty == S16) {
+ auto True = B.buildConstant({VgprRB, Ty}, Opc == G_SEXT ? -1 : 1);
----------------
Pierre-vh wrote:
The `Opc == G_SEXT ? -1 : 1` can go in a variable and be reused in both cases
to remove repetitions
https://github.com/llvm/llvm-project/pull/132383
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