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