1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2# RUN: llc -mtriple aarch64-apple-ios -run-pass=aarch64-postlegalizer-combiner --aarch64postlegalizercombiner-only-enable-rule="ptr_add_immed_chain" %s -o - -verify-machineinstrs | FileCheck %s 3# REQUIRES: asserts 4 5# Check that we fold two adds of constant offsets with G_PTR_ADD into a single G_PTR_ADD. 6--- 7name: ptradd_chain 8tracksRegLiveness: true 9legalized: true 10body: | 11 bb.1: 12 liveins: $x0 13 14 ; CHECK-LABEL: name: ptradd_chain 15 ; CHECK: liveins: $x0 16 ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0 17 ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16 18 ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64) 19 ; CHECK: $x0 = COPY [[PTR_ADD]](p0) 20 ; CHECK: RET_ReallyLR implicit $x0 21 %0:_(p0) = COPY $x0 22 %1:_(s64) = G_CONSTANT i64 4 23 %2:_(s64) = G_CONSTANT i64 12 24 %3:_(p0) = G_PTR_ADD %0(p0), %1 25 %4:_(p0) = G_PTR_ADD %3(p0), %2 26 $x0 = COPY %4(p0) 27 RET_ReallyLR implicit $x0 28... 29