# RUN: llc -mtriple arm-- -run-pass=legalizer %s -o - | FileCheck %s # RUN: llc -mtriple thumb-- -mattr=+v6t2 -run-pass=legalizer %s -o - | FileCheck %s --- | define void @test_select_s32() { ret void } define void @test_select_ptr() { ret void } define void @test_select_s16() { ret void } define void @test_select_s8() { ret void } ... --- name: test_select_s32 # CHECK-LABEL: name: test_select_s32 legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } - { id: 3, class: _ } body: | bb.0: liveins: $r0, $r1, $r2 %0(s32) = COPY $r0 %1(s32) = COPY $r1 %2(s1) = G_CONSTANT i1 1 %3(s32) = G_SELECT %2(s1), %0, %1 ; G_SELECT with s32 is legal, so we should find it unchanged in the output ; CHECK: {{%[0-9]+}}:_(s32) = G_SELECT {{%[0-9]+}}(s1), {{%[0-9]+}}, {{%[0-9]+}} $r0 = COPY %3(s32) BX_RET 14, $noreg, implicit $r0 ... --- name: test_select_ptr # CHECK-LABEL: name: test_select_ptr legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } - { id: 3, class: _ } body: | bb.0: liveins: $r0, $r1, $r2 %0(p0) = COPY $r0 %1(p0) = COPY $r1 %2(s1) = G_CONSTANT i1 0 %3(p0) = G_SELECT %2(s1), %0, %1 ; G_SELECT with p0 is legal, so we should find it unchanged in the output ; CHECK: {{%[0-9]+}}:_(p0) = G_SELECT {{%[0-9]+}}(s1), {{%[0-9]+}}, {{%[0-9]+}} $r0 = COPY %3(p0) BX_RET 14, $noreg, implicit $r0 ... --- name: test_select_s16 # CHECK-LABEL: name: test_select_s16 legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } - { id: 3, class: _ } - { id: 4, class: _ } - { id: 5, class: _ } - { id: 6, class: _ } body: | bb.0: liveins: $r0, $r1, $r2 %0(s32) = COPY $r0 %1(s16) = G_TRUNC %0(s32) %2(s32) = COPY $r1 %3(s16) = G_TRUNC %2(s32) %4(s1) = G_CONSTANT i1 1 %5(s16) = G_SELECT %4(s1), %1, %3 ; G_SELECT with s16 should extend ; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_SELECT {{%[0-9]+}}(s1), {{%[0-9]+}}, {{%[0-9]+}} ; CHECK: {{%[0-9]+}}:_(s32) = G_SELECT {{%[0-9]+}}(s1), {{%[0-9]+}}, {{%[0-9]+}} ; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_SELECT {{%[0-9]+}}(s1), {{%[0-9]+}}, {{%[0-9]+}} %6(s32) = G_SEXT %5(s16) $r0 = COPY %6(s32) BX_RET 14, $noreg, implicit $r0 ... --- name: test_select_s8 # CHECK-LABEL: name: test_select_s8 legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } - { id: 3, class: _ } - { id: 4, class: _ } - { id: 5, class: _ } - { id: 6, class: _ } body: | bb.0: liveins: $r0, $r1, $r2 %0(s32) = COPY $r0 %1(s8) = G_TRUNC %0(s32) %2(s32) = COPY $r1 %3(s8) = G_TRUNC %2(s32) %4(s1) = G_CONSTANT i1 1 %5(s8) = G_SELECT %4(s1), %1, %3 ; G_SELECT with s8 should extend ; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_SELECT {{%[0-9]+}}(s1), {{%[0-9]+}}, {{%[0-9]+}} ; CHECK: {{%[0-9]+}}:_(s32) = G_SELECT {{%[0-9]+}}(s1), {{%[0-9]+}}, {{%[0-9]+}} ; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_SELECT {{%[0-9]+}}(s1), {{%[0-9]+}}, {{%[0-9]+}} %6(s32) = G_SEXT %5(s8) $r0 = COPY %6(s32) BX_RET 14, $noreg, implicit $r0 ...