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111 lines
3.0 KiB
111 lines
3.0 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_inttoptr_s32() { ret void }
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define void @test_ptrtoint_s32() { ret void }
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define void @test_inttoptr_s16() { ret void }
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define void @test_ptrtoint_s8() { ret void }
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...
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---
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name: test_inttoptr_s32
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# CHECK-LABEL: name: test_inttoptr_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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body: |
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bb.0:
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liveins: $r0
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%0(s32) = COPY $r0
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%1(p0) = G_INTTOPTR %0(s32)
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; G_INTTOPTR with s32 is legal, so we should find it unchanged in the output
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; CHECK: {{%[0-9]+}}:_(p0) = G_INTTOPTR {{%[0-9]+}}
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$r0 = COPY %1(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_ptrtoint_s32
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# CHECK-LABEL: name: test_ptrtoint_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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body: |
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bb.0:
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liveins: $r0
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%0(p0) = COPY $r0
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%1(s32) = G_PTRTOINT %0(p0)
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; G_PTRTOINT with s32 is legal, so we should find it unchanged in the output
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; CHECK: {{%[0-9]+}}:_(s32) = G_PTRTOINT {{%[0-9]+}}
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$r0 = COPY %1(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_inttoptr_s16
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# CHECK-LABEL: name: test_inttoptr_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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body: |
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bb.0:
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liveins: $r0
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%0(s32) = COPY $r0
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%1(s16) = G_TRUNC %0(s32)
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%2(p0) = G_INTTOPTR %1(s16)
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; G_INTTOPTR with s16 should zero extend
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; CHECK-NOT: G_INTTOPTR {{%[0-9]+}}(s16)
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; CHECK: [[BITS:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
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; CHECK: [[X32:%[0-9]+]]:_(s32) = G_AND {{%[0-9]+}}, [[BITS]]
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; CHECK: {{%[0-9]+}}:_(p0) = G_INTTOPTR [[X32]](s32)
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; CHECK-NOT: G_INTTOPTR {{%[0-9]+}}(s16)
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$r0 = COPY %2(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_ptrtoint_s8
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# CHECK-LABEL: name: test_ptrtoint_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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body: |
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bb.0:
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liveins: $r0
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%0(p0) = COPY $r0
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%1(s8) = G_PTRTOINT %0(p0)
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; G_PTRTOINT with s8 should truncate
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; CHECK-NOT: {{%[0-9]+}}(s8) = G_PTRTOINT
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; CHECK: [[X32:%[0-9]+]]:_(s32) = G_PTRTOINT {{%[0-9]+}}(p0)
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; CHECK: [[BITS:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
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; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY [[X32]]
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; CHECK: {{%[0-9]+}}:_(s32) = G_AND [[COPY]], [[BITS]]
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; CHECK-NOT: {{%[0-9]+}}(s8) = G_PTRTOINT
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%2(s32) = G_ZEXT %1(s8)
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$r0 = COPY %2(s32)
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BX_RET 14, $noreg, implicit $r0
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...
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