# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -O0 -mtriple=x86_64-linux-gnu -run-pass=legalizer %s -o - | FileCheck %s --- | define void @test_sub_i1() { ret void} define i32 @test_sub_i32(i32 %arg1, i32 %arg2) { %ret = sub i32 %arg1, %arg2 ret i32 %ret } ... --- name: test_sub_i1 alignment: 16 legalized: false regBankSelected: false registers: - { id: 0, class: _, preferred-register: '' } - { id: 1, class: _, preferred-register: '' } - { id: 2, class: _, preferred-register: '' } body: | bb.1 (%ir-block.0): ; CHECK-LABEL: name: test_sub_i1 ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edx ; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY]](s32) ; CHECK: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[COPY]](s32) ; CHECK: [[SUB:%[0-9]+]]:_(s8) = G_SUB [[TRUNC]], [[TRUNC1]] ; CHECK: [[DEF:%[0-9]+]]:_(p0) = G_IMPLICIT_DEF ; CHECK: [[C:%[0-9]+]]:_(s8) = G_CONSTANT i8 1 ; CHECK: [[AND:%[0-9]+]]:_(s8) = G_AND [[SUB]], [[C]] ; CHECK: G_STORE [[AND]](s8), [[DEF]](p0) :: (store (s1)) ; CHECK: RET 0 %0(s32) = COPY $edx %1(s1) = G_TRUNC %0(s32) %2(s1) = G_SUB %1, %1 %3:_(p0) = G_IMPLICIT_DEF G_STORE %2, %3 :: (store (s1)) RET 0 ... --- name: test_sub_i32 alignment: 16 legalized: false regBankSelected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } body: | bb.1 (%ir-block.0): liveins: $edi, $esi ; CHECK-LABEL: name: test_sub_i32 ; CHECK: liveins: $edi, $esi ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edi ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi ; CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY]], [[COPY1]] ; CHECK: $eax = COPY [[SUB]](s32) ; CHECK: RET 0, implicit $eax %0(s32) = COPY $edi %1(s32) = COPY $esi %2(s32) = G_SUB %0, %1 $eax = COPY %2(s32) RET 0, implicit $eax ...