# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple aarch64 -O0 -run-pass=aarch64-prelegalizer-combiner -global-isel -verify-machineinstrs %s -o - | FileCheck %s # Check we don't try to combine a load of < s8 as that will end up creating a illegal non-extending load. --- | define i8 @test(i1* %ptr) { ret i8 undef } ... --- name: test alignment: 4 tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } - { id: 3, class: _ } body: | bb.1 (%ir-block.0): liveins: $x0 ; CHECK-LABEL: name: test ; CHECK: liveins: $x0 ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0 ; CHECK: [[LOAD:%[0-9]+]]:_(s1) = G_LOAD [[COPY]](p0) :: (load 1 from %ir.ptr) ; CHECK: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[LOAD]](s1) ; CHECK: $w0 = COPY [[ZEXT]](s32) ; CHECK: RET_ReallyLR implicit $w0 %0:_(p0) = COPY $x0 %1:_(s1) = G_LOAD %0(p0) :: (load 1 from %ir.ptr) %2:_(s8) = G_ZEXT %1(s1) %3:_(s32) = G_ANYEXT %2(s8) $w0 = COPY %3(s32) RET_ReallyLR implicit $w0 ...