| # 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_zext_s16() { ret void } |
| define void @test_sext_s8() { ret void } |
| define void @test_anyext_s1() { ret void } |
| ... |
| --- |
| name: test_zext_s16 |
| # CHECK-LABEL: name: test_zext_s16 |
| legalized: false |
| # CHECK: legalized: true |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: _ } |
| - { id: 1, class: _ } |
| - { id: 2, class: _ } |
| body: | |
| bb.0: |
| liveins: $r0 |
| |
| %0(p0) = COPY $r0 |
| %1(s16) = G_LOAD %0 :: (load 2) |
| %2(s32) = G_ZEXT %1 |
| ; G_ZEXT with s16 is legal, so we should find it unchanged in the output |
| ; CHECK: {{%[0-9]+}}:_(s32) = G_ZEXT {{%[0-9]+}} |
| $r0 = COPY %2(s32) |
| BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_sext_s8 |
| # CHECK-LABEL: name: test_sext_s8 |
| legalized: false |
| # CHECK: legalized: true |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: _ } |
| - { id: 1, class: _ } |
| - { id: 2, class: _ } |
| body: | |
| bb.0: |
| liveins: $r0 |
| |
| %0(p0) = COPY $r0 |
| %1(s8) = G_LOAD %0(p0) :: (load 1) |
| %2(s32) = G_SEXT %1 |
| ; G_SEXT with s8 is legal, so we should find it unchanged in the output |
| ; CHECK: {{%[0-9]+}}:_(s32) = G_SEXT {{%[0-9]+}} |
| $r0 = COPY %2(s32) |
| BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_anyext_s1 |
| # CHECK-LABEL: name: test_anyext_s1 |
| legalized: false |
| # CHECK: legalized: true |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: _ } |
| - { id: 1, class: _ } |
| - { id: 2, class: _ } |
| body: | |
| bb.0: |
| liveins: $r0 |
| |
| %0(p0) = COPY $r0 |
| %1(s1) = G_LOAD %0(p0) :: (load 1) |
| %2(s32) = G_ANYEXT %1 |
| ; G_ANYEXT with s1 is legal, so we should find it unchanged in the output |
| ; CHECK: {{%[0-9]+}}:_(s32) = G_ANYEXT {{%[0-9]+}} |
| $r0 = COPY %2(s32) |
| BX_RET 14, $noreg, implicit $r0 |
| ... |