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|
# 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: {{%[0-9]+}}:_(s32) = G_AND [[X32]], [[BITS]]
; CHECK-NOT: {{%[0-9]+}}(s8) = G_PTRTOINT
%2(s32) = G_ZEXT %1(s8)
$r0 = COPY %2(s32)
BX_RET 14, $noreg, implicit $r0
...
|
