| # 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_icmp_s8() { ret void } |
| define void @test_icmp_s16() { ret void } |
| define void @test_icmp_s32() { ret void } |
| |
| define void @test_icmp_p0() { ret void } |
| ... |
| --- |
| name: test_icmp_s8 |
| # CHECK-LABEL: name: test_icmp_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: _ } |
| body: | |
| bb.0: |
| liveins: $r0, $r1 |
| |
| %0(p0) = COPY $r0 |
| %1(s8) = G_LOAD %0 :: (load 1) |
| %2(p0) = COPY $r1 |
| %3(s8) = G_LOAD %2 :: (load 1) |
| %4(s1) = G_ICMP intpred(ne), %1(s8), %3 |
| ; G_ICMP with s8 should widen |
| ; CHECK: {{%[0-9]+}}:_(s1) = G_ICMP intpred(ne), {{%[0-9]+}}(s32), {{%[0-9]+}} |
| ; CHECK-NOT: {{%[0-9]+}}:_(s1) = G_ICMP intpred(ne), {{%[0-9]+}}(s8), {{%[0-9]+}} |
| %5(s32) = G_ZEXT %4(s1) |
| $r0 = COPY %5(s32) |
| BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_icmp_s16 |
| # CHECK-LABEL: name: test_icmp_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: _ } |
| body: | |
| bb.0: |
| liveins: $r0, $r1 |
| |
| %0(p0) = COPY $r0 |
| %1(s16) = G_LOAD %0 :: (load 2) |
| %2(p0) = COPY $r1 |
| %3(s16) = G_LOAD %2 :: (load 2) |
| %4(s1) = G_ICMP intpred(slt), %1(s16), %3 |
| ; G_ICMP with s16 should widen |
| ; CHECK: {{%[0-9]+}}:_(s1) = G_ICMP intpred(slt), {{%[0-9]+}}(s32), {{%[0-9]+}} |
| ; CHECK-NOT: {{%[0-9]+}}:_(s1) = G_ICMP intpred(slt), {{%[0-9]+}}(s16), {{%[0-9]+}} |
| %5(s32) = G_ZEXT %4(s1) |
| $r0 = COPY %5(s32) |
| BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_icmp_s32 |
| # CHECK-LABEL: name: test_icmp_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 |
| |
| %0(s32) = COPY $r0 |
| %1(s32) = COPY $r1 |
| %2(s1) = G_ICMP intpred(eq), %0(s32), %1 |
| ; G_ICMP with s32 is legal, so we should find it unchanged in the output |
| ; CHECK: {{%[0-9]+}}:_(s1) = G_ICMP intpred(eq), {{%[0-9]+}}(s32), {{%[0-9]+}} |
| %3(s32) = G_ZEXT %2(s1) |
| $r0 = COPY %3(s32) |
| BX_RET 14, $noreg, implicit $r0 |
| ... |
| --- |
| name: test_icmp_p0 |
| # CHECK-LABEL: name: test_icmp_p0 |
| 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 |
| |
| %0(p0) = COPY $r0 |
| %1(p0) = COPY $r1 |
| %2(s1) = G_ICMP intpred(eq), %0(p0), %1 |
| ; G_ICMP with p0 is legal, so we should find it unchanged in the output |
| ; CHECK: {{%[0-9]+}}:_(s1) = G_ICMP intpred(eq), {{%[0-9]+}}(p0), {{%[0-9]+}} |
| %3(s32) = G_ZEXT %2(s1) |
| $r0 = COPY %3(s32) |
| BX_RET 14, $noreg, implicit $r0 |
| ... |