File: early-if-low8.mir

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llvm-toolchain-13 1%3A13.0.1-11
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# RUN: llc -march=hexagon -run-pass hexagon-early-if %s -o - | FileCheck %s

# Make sure that early if-conversion handles the *low8 register classes:
# CHECK: intregslow8 = C2_mux
# CHECK: generaldoublelow8regs = PS_pselect

---
name: fred
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $r0, $r1
    %0:intregslow8 = COPY $r0
    %1:intregslow8 = COPY $r1
    %2:generaldoublelow8regs = A2_tfrpi 1
    %3:predregs = C2_cmpeq %0, %1
    J2_jumpf %3, %bb.2, implicit-def $pc
  bb.1:
    %4:intregslow8 = A2_addi %0, 1
    %5:generaldoublelow8regs = A2_tfrpi 0
  bb.2:
    %6:intregslow8 = PHI %0, %bb.0, %4, %bb.1
    %7:generaldoublelow8regs = PHI %2, %bb.0, %5, %bb.1
    $r0 = COPY %6
    $d1 = COPY %7
    J2_jumpr $r31, implicit $r0, implicit $d1, implicit-def $pc
...