DOPRegIsUnique = true;
break;
}
-
- assert (DOPRegIsUnique && "The destructive operand should be unique");
#endif
// Resolve the reverse opcode
//
MachineInstrBuilder PRFX, DOP;
if (FalseZero) {
+#ifndef NDEBUG
+ assert(DOPRegIsUnique && "The destructive operand should be unique");
+#endif
assert(ElementSize != AArch64::ElementSizeNone &&
"This instruction is unpredicated");
// After the movprfx, the destructive operand is same as Dst
DOPIdx = 0;
} else if (DstReg != MI.getOperand(DOPIdx).getReg()) {
+#ifndef NDEBUG
+ assert(DOPRegIsUnique && "The destructive operand should be unique");
+#endif
PRFX = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(MovPrfx))
.addReg(DstReg, RegState::Define)
.addReg(MI.getOperand(DOPIdx).getReg());
--- /dev/null
+# RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve -run-pass=aarch64-expand-pseudo -simplify-mir -verify-machineinstrs %s -o - | FileCheck %s
+---
+name: add_x
+alignment: 4
+tracksRegLiveness: true
+liveins:
+ - { reg: '$p0' }
+ - { reg: '$z0' }
+frameInfo:
+ maxCallFrameSize: 0
+body: |
+ bb.0:
+ liveins: $p0, $z0
+
+ ; CHECK: add_x
+ ; CHECK-NOT: MOVPRFX
+ ; CHECK: $z0 = FADD_ZPmZ_S renamable $p0, killed $z0, renamable $z0
+ ; CHECK-NEXT: RET
+ renamable $z0 = FADD_ZPZZ_UNDEF_S renamable $p0, renamable $z0, killed renamable $z0
+ RET_ReallyLR
+
+...