| # RUN: llc -mtriple arm-- -run-pass=legalizer %s -o - | FileCheck %s |
| # RUN: llc -mtriple thumbv7-- -run-pass=legalizer %s -o - | FileCheck %s |
| --- | |
| define void @test_legal_loads_stores() { ret void } |
| define void @test_load_store_s1() { ret void } |
| define void @test_load_from_stack() { ret void } |
| |
| define void @test_load_store_64_vfp() #0 { ret void } |
| define void @test_load_store_64_novfp() #1 { ret void } |
| |
| define void @test_gep_s32() { ret void } |
| define void @test_gep_s16() { ret void } |
| |
| attributes #0 = { "target-features"="+vfp2" } |
| attributes #1 = { "target-features"="-vfp2sp" } |
| ... |
| --- |
| name: test_legal_loads_stores |
| # CHECK-LABEL: name: test_legal_loads_stores |
| 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 |
| |
| ; These are all legal, so we should find them unchanged in the output |
| ; CHECK-DAG: G_STORE {{%[0-9]+}}(s32), %0(p0) :: (store (s32)) |
| ; CHECK-DAG: G_STORE {{%[0-9]+}}(s16), %0(p0) :: (store (s16)) |
| ; CHECK-DAG: G_STORE {{%[0-9]+}}(s8), %0(p0) :: (store (s8)) |
| ; CHECK-DAG: G_STORE {{%[0-9]+}}(p0), %0(p0) |
| ; CHECK-DAG: {{%[0-9]+}}:_(s32) = G_LOAD %0(p0) :: (load (s32)) |
| ; CHECK-DAG: {{%[0-9]+}}:_(s16) = G_LOAD %0(p0) :: (load (s16)) |
| ; CHECK-DAG: {{%[0-9]+}}:_(s8) = G_LOAD %0(p0) :: (load (s8)) |
| ; CHECK-DAG: {{%[0-9]+}}:_(p0) = G_LOAD %0(p0) :: (load (p0)) |
| %0(p0) = COPY $r0 |
| %2(s32) = G_LOAD %0(p0) :: (load (s32)) |
| G_STORE %2(s32), %0(p0) :: (store (s32)) |
| %3(s16) = G_LOAD %0(p0) :: (load (s16)) |
| G_STORE %3(s16), %0(p0) :: (store (s16)) |
| %4(s8) = G_LOAD %0(p0) :: (load (s8)) |
| G_STORE %4(s8), %0(p0) :: (store (s8)) |
| %6(p0) = G_LOAD %0(p0) :: (load (p0)) |
| G_STORE %6(p0), %0(p0) :: (store (p0)) |
| BX_RET 14, $noreg |
| ... |
| |
| --- |
| name: test_load_store_s1 |
| legalized: false |
| # CHECK: legalized: true |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $r0 |
| |
| ; CHECK: [[LD:%[0-9]+]]:_(s8) = G_LOAD %0(p0) :: (load (s8)) |
| ; CHECK: [[ONE:%[0-9]+]]:_(s32) = G_CONSTANT i32 1 |
| ; CHECK: [[EXT:%[0-9]+]]:_(s32) = G_ANYEXT [[LD]] |
| ; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[EXT]], [[ONE]] |
| ; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[AND]] |
| ; CHECK: G_STORE [[TRUNC]](s8), {{%[0-9]+}}(p0) :: (store (s8)) |
| %0:_(p0) = COPY $r0 |
| %5:_(s1) = G_LOAD %0(p0) :: (load (s1)) |
| G_STORE %5(s1), %0(p0) :: (store (s1)) |
| BX_RET 14, $noreg |
| ... |
| --- |
| name: test_load_from_stack |
| # CHECK-LABEL: name: test_load_from_stack |
| legalized: false |
| # CHECK: legalized: true |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: _ } |
| - { id: 1, class: _ } |
| - { id: 2, class: _ } |
| - { id: 3, class: _ } |
| fixedStack: |
| - { id: 0, offset: 0, size: 4, alignment: 4, isImmutable: true, isAliased: false } |
| - { id: 1, offset: 4, size: 4, alignment: 4, isImmutable: true, isAliased: false } |
| - { id: 2, offset: 8, size: 4, alignment: 4, isImmutable: true, isAliased: false } |
| # CHECK: id: [[FRAME_INDEX:[0-9]+]], type: default, offset: 8 |
| body: | |
| bb.0: |
| liveins: $r0, $r1, $r2, $r3 |
| |
| ; This is legal, so we should find it unchanged in the output |
| ; CHECK: [[FIVREG:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.[[FRAME_INDEX]] |
| ; CHECK: {{%[0-9]+}}:_(s32) = G_LOAD [[FIVREG]](p0) :: (load (s32)) |
| %0(p0) = G_FRAME_INDEX %fixed-stack.2 |
| %1(s32) = G_LOAD %0(p0) :: (load (s32)) |
| $r0 = COPY %1(s32) |
| BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_load_store_64_vfp |
| # CHECK-LABEL: name: test_load_store_64_vfp |
| 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 |
| |
| ; Can't use the VFP support for unaligned operations, we need to use 32-bits |
| ; operations instead. |
| ; CHECK: [[ADDR1:%[0-9]+]]:_(p0) = COPY $r0 |
| ; CHECK-NEXT: [[V1:%[0-9]+]]:_(s32) = G_LOAD [[ADDR1]](p0) :: (load (s32), align 1) |
| ; CHECK-NEXT: [[OFF:%[0-9]+]]:_(s32) = G_CONSTANT i32 4 |
| ; CHECK-NEXT: [[ADDR2:%[0-9]+]]:_(p0) = G_PTR_ADD [[ADDR1]], [[OFF]] |
| ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY [[ADDR2]] |
| ; CHECK-NEXT: [[V2:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load (s32) from unknown-address + 4, align 1) |
| ; CHECK-NEXT: G_STORE [[V1]](s32), [[ADDR1]](p0) :: (store (s32), align 1) |
| ; CHECK-NEXT: G_STORE [[V2]](s32), [[ADDR2]](p0) :: (store (s32) into unknown-address + 4, align 1) |
| %0(p0) = COPY $r0 |
| %1(s64) = G_LOAD %0(p0) :: (load (s64), align 1) |
| G_STORE %1(s64), %0(p0) :: (store (s64), align 1) |
| |
| ; For word-aligned we can use VFP operations. |
| ; CHECK: [[V:%[0-9]+]]:_(s64) = G_LOAD %0(p0) :: (load (s64), align 4) |
| ; CHECK: G_STORE [[V]](s64), %0(p0) :: (store (s64), align 4) |
| %2(s64) = G_LOAD %0(p0) :: (load (s64), align 4) |
| G_STORE %2(s64), %0(p0) :: (store (s64), align 4) |
| |
| BX_RET 14, $noreg |
| ... |
| --- |
| name: test_load_store_64_novfp |
| # CHECK-LABEL: name: test_load_store_64_novfp |
| 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 |
| |
| ; When we don't have VFP support, we need to use 32-bit operations. |
| ; CHECK: [[ADDR1:%[0-9]+]]:_(p0) = COPY $r0 |
| ; CHECK-NEXT: [[V1:%[0-9]+]]:_(s32) = G_LOAD [[ADDR1]](p0) :: (load (s32), align 1) |
| ; CHECK-NEXT: [[OFF:%[0-9]+]]:_(s32) = G_CONSTANT i32 4 |
| ; CHECK-NEXT: [[ADDR2:%[0-9]+]]:_(p0) = G_PTR_ADD [[ADDR1]], [[OFF]] |
| ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY [[ADDR2]] |
| ; CHECK-NEXT: [[V2:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load (s32) from unknown-address + 4, align 1) |
| ; CHECK-NEXT: G_STORE [[V1]](s32), [[ADDR1]](p0) :: (store (s32), align 1) |
| ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(p0) = COPY [[ADDR2]] |
| ; CHECK-NEXT: G_STORE [[V2]](s32), [[COPY2]](p0) :: (store (s32) into unknown-address + 4, align 1) |
| %0(p0) = COPY $r0 |
| %1(s64) = G_LOAD %0(p0) :: (load (s64), align 1) |
| G_STORE %1(s64), %0(p0) :: (store (s64), align 1) |
| |
| ; CHECK: [[V1:%[0-9]+]]:_(s32) = G_LOAD [[ADDR1]](p0) :: (load (s32)) |
| ; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(p0) = COPY [[ADDR2]] |
| ; CHECK-NEXT: [[V2:%[0-9]+]]:_(s32) = G_LOAD [[COPY3]](p0) :: (load (s32) from unknown-address + 4) |
| ; CHECK-NEXT: G_STORE [[V1]](s32), [[ADDR1]](p0) :: (store (s32)) |
| ; CHECK-NEXT: G_STORE [[V2]](s32), [[ADDR2]](p0) :: (store (s32) into unknown-address + 4) |
| %2(s64) = G_LOAD %0(p0) :: (load (s64), align 4) |
| G_STORE %2(s64), %0(p0) :: (store (s64), align 4) |
| |
| BX_RET 14, $noreg |
| ... |
| --- |
| name: test_gep_s32 |
| # CHECK-LABEL: name: test_gep_s32 |
| 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, $r1 |
| |
| %0(p0) = COPY $r0 |
| %1(s32) = COPY $r1 |
| |
| ; CHECK: {{%[0-9]+}}:_(p0) = G_PTR_ADD {{%[0-9]+}}, {{%[0-9]+}}(s32) |
| %2(p0) = G_PTR_ADD %0, %1(s32) |
| |
| $r0 = COPY %2(p0) |
| BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_gep_s16 |
| # CHECK-LABEL: name: test_gep_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(p0) :: (load (s16)) |
| |
| ; CHECK-NOT: G_PTR_ADD {{%[0-9]+}}, {{%[0-9]+}}(s16) |
| ; CHECK: {{%[0-9]+}}:_(p0) = G_PTR_ADD {{%[0-9]+}}, {{%[0-9]+}}(s32) |
| ; CHECK-NOT: G_PTR_ADD {{%[0-9]+}}, {{%[0-9]+}}(s16) |
| %2(p0) = G_PTR_ADD %0, %1(s16) |
| |
| $r0 = COPY %2(p0) |
| BX_RET 14, $noreg, implicit $r0 |
| ... |