| # 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_inttoptr_s32() { ret void } |
| define void @test_ptrtoint_s32() { ret void } |
| |
| define void @test_inttoptr_s16() { ret void } |
| define void @test_ptrtoint_s8() { ret void } |
| ... |
| --- |
| name: test_inttoptr_s32 |
| # CHECK-LABEL: name: test_inttoptr_s32 |
| legalized: false |
| # CHECK: legalized: true |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: _ } |
| - { id: 1, class: _ } |
| body: | |
| bb.0: |
| liveins: $r0 |
| |
| %0(s32) = COPY $r0 |
| %1(p0) = G_INTTOPTR %0(s32) |
| ; G_INTTOPTR with s32 is legal, so we should find it unchanged in the output |
| ; CHECK: {{%[0-9]+}}:_(p0) = G_INTTOPTR {{%[0-9]+}} |
| $r0 = COPY %1(p0) |
| BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_ptrtoint_s32 |
| # CHECK-LABEL: name: test_ptrtoint_s32 |
| legalized: false |
| # CHECK: legalized: true |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: _ } |
| - { id: 1, class: _ } |
| body: | |
| bb.0: |
| liveins: $r0 |
| |
| %0(p0) = COPY $r0 |
| %1(s32) = G_PTRTOINT %0(p0) |
| ; G_PTRTOINT with s32 is legal, so we should find it unchanged in the output |
| ; CHECK: {{%[0-9]+}}:_(s32) = G_PTRTOINT {{%[0-9]+}} |
| $r0 = COPY %1(s32) |
| BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_inttoptr_s16 |
| # CHECK-LABEL: name: test_inttoptr_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(s32) = COPY $r0 |
| %1(s16) = G_TRUNC %0(s32) |
| %2(p0) = G_INTTOPTR %1(s16) |
| ; G_INTTOPTR with s16 should zero extend |
| ; CHECK-NOT: G_INTTOPTR {{%[0-9]+}}(s16) |
| ; CHECK: [[BITS:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535 |
| ; CHECK: [[X32:%[0-9]+]]:_(s32) = G_AND {{%[0-9]+}}, [[BITS]] |
| ; CHECK: {{%[0-9]+}}:_(p0) = G_INTTOPTR [[X32]](s32) |
| ; CHECK-NOT: G_INTTOPTR {{%[0-9]+}}(s16) |
| $r0 = COPY %2(p0) |
| BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_ptrtoint_s8 |
| # CHECK-LABEL: name: test_ptrtoint_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_PTRTOINT %0(p0) |
| ; G_PTRTOINT with s8 should truncate |
| ; CHECK-NOT: {{%[0-9]+}}(s8) = G_PTRTOINT |
| ; CHECK: [[X32:%[0-9]+]]:_(s32) = G_PTRTOINT {{%[0-9]+}}(p0) |
| ; CHECK: [[BITS:%[0-9]+]]:_(s32) = G_CONSTANT i32 255 |
| ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY [[X32]] |
| ; CHECK: {{%[0-9]+}}:_(s32) = G_AND [[COPY]], [[BITS]] |
| ; CHECK-NOT: {{%[0-9]+}}(s8) = G_PTRTOINT |
| %2(s32) = G_ZEXT %1(s8) |
| $r0 = COPY %2(s32) |
| BX_RET 14, $noreg, implicit $r0 |
| ... |