llvm/test/CodeGen/Hexagon/cext-opt-range-assert.mir

# RUN: llc -march=hexagon -run-pass hexagon-cext-opt %s -o - | FileCheck %s
# REQUIRES: asserts
#
# This testcase used to trigger an incorrect assertion. Make sure it no
# longer does.
# CHECK: A2_tfrsi @G + 65536

--- |
  define void @fred() {
    ret void
  }
  @G = external global [128 x i16], align 8
...

---
name: fred
tracksRegLiveness: true

body: |
  bb.0:
    successors: %bb.1
    %6:intregs = A2_tfrsi @G
    %7:intregs = A2_addi killed %6, 2
    %8:intregs = A2_tfrsi 127
    ADJCALLSTACKDOWN 0, 0, implicit-def $r29, implicit-def dead $r30, implicit $r31, implicit $r30, implicit $r29
    $r0 = COPY %7
    $r1 = COPY %8
    %9:intregs = IMPLICIT_DEF
    J2_callr killed %9, implicit-def dead $pc, implicit-def dead $r31, implicit $r29, implicit $r0, implicit $r1, implicit-def $r29
    ADJCALLSTACKUP 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit-def dead $r31, implicit $r29
    %5:intregs = A2_tfrsi 8
    %10:intregs = A2_tfrsi @G + 8
    %4:intregs = A2_addi killed %10, 2

  bb.1:
    successors: %bb.1, %bb.2
    %0:intregs = PHI %4, %bb.0, %3, %bb.1
    %1:intregs = PHI %5, %bb.0, %2, %bb.1
    %11:predregs = C2_cmpgtui %1, 127
    %2:intregs = A2_addi %1, 8
    %3:intregs = A2_addi %0, 16
    J2_jumpf %11, %bb.1, implicit-def $pc

  bb.2:
    %13:intregs = A2_tfrsi @G
    %14:intregs = A2_addi killed %13, 2
    %15:intregs = A2_tfrsi 127
    ADJCALLSTACKDOWN 0, 0, implicit-def $r29, implicit-def dead $r30, implicit $r31, implicit $r30, implicit $r29
    $r0 = COPY %14
    $r1 = COPY %15
    %16:intregs = IMPLICIT_DEF
    PS_callr_nr killed %16, implicit $r0, implicit $r1, implicit-def $r29
    ADJCALLSTACKUP 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit-def dead $r31, implicit $r29
...