# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -run-pass=aarch64-postlegalizer-combiner -global-isel -verify-machineinstrs %s -o - | FileCheck %s --- | target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" target triple = "aarch64--" define void @test_zeroext(i8* %addr) { entry: ret void } define void @test_no_anyext(i8* %addr) { entry: ret void } ... --- name: test_zeroext legalized: true body: | bb.0.entry: liveins: $x0 ; CHECK-LABEL: name: test_zeroext ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0 ; CHECK: [[ZEXTLOAD:%[0-9]+]]:_(s32) = G_ZEXTLOAD [[COPY]](p0) :: (load (s8) from %ir.addr) ; CHECK: $w0 = COPY [[ZEXTLOAD]](s32) %0:_(p0) = COPY $x0 %1:_(s8) = G_LOAD %0 :: (load (s8) from %ir.addr) %2:_(s32) = G_ZEXT %1 $w0 = COPY %2 ... --- name: test_no_anyext legalized: true body: | bb.0.entry: liveins: $x0 ; Check that we don't try to do an anyext combine. We don't want to do this ; because an anyexting load like s64 = G_LOAD %p (load 4) isn't legal. ; CHECK-LABEL: name: test_no_anyext ; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0 ; CHECK: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load (s32) from %ir.addr) ; CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[LOAD]](s32) ; CHECK: $x0 = COPY [[ANYEXT]](s64) %0:_(p0) = COPY $x0 %1:_(s32) = G_LOAD %0 :: (load (s32) from %ir.addr) %2:_(s64) = G_ANYEXT %1 $x0 = COPY %2 ...