File: addrmode-opt-assert.mir

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# RUN: llc -march=hexagon -mcpu=hexagonv62  -run-pass amode-opt %s -o -
# REQUIRES: asserts
#
# This test merely checks if the pass that optimizes addressing modes in the
# hexagon backend doesn't crash when the following code is presented to it.
#
# This is a testcase reduced from code generated by the Halide compiler for a
# Halide pipeline. This code was causing the pass 'amode-opt' to crash because
# it was looking for the third operand (offset) in the following instruction
# that does not, in fact, have a third operand.
#
#          $r1 = L2_loadw_locked $r1
#
# Check that this doesn't crash.


name: fred
tracksRegLiveness: true
body: |
   bb.0:
   liveins: $r0
   $r1 = A2_addi $r0, 4
   $r1 = L2_loadw_locked $r1
...