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122 lines
4.8 KiB
122 lines
4.8 KiB
4 months ago
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# RUN: llc -O0 -mtriple arm-linux -relocation-model=pic -mattr=+no-movt -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,ELF
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# RUN: llc -O0 -mtriple arm-linux -relocation-model=pic -mattr=-no-movt,+v8m -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,ELF
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# RUN: llc -O0 -mtriple arm-darwin -relocation-model=pic -mattr=+no-movt -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,DARWIN-NOMOVT
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# RUN: llc -O0 -mtriple arm-darwin -relocation-model=pic -mattr=-no-movt,+v8m -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,DARWIN-MOVT
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--- |
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@internal_global = internal global i32 42
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define void @test_internal_global() { ret void }
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@external_global = external global i32
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define void @test_external_global() { ret void }
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@internal_constant = internal constant i32 42
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define void @test_internal_constant() { ret void }
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@external_constant = external constant i32
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define void @test_external_constant() { ret void }
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...
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---
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name: test_internal_global
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# CHECK-LABEL: name: test_internal_global
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legalized: true
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regBankSelected: true
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selected: false
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# CHECK: selected: true
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registers:
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- { id: 0, class: gprb }
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- { id: 1, class: gprb }
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body: |
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bb.0:
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%0(p0) = G_GLOBAL_VALUE @internal_global
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; DARWIN-MOVT: [[G:%[0-9]+]]:gpr = MOV_ga_pcrel target-flags(arm-nonlazy) @internal_global
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; DARWIN-NOMOVT: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel target-flags(arm-nonlazy) @internal_global
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; ELF: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel @internal_global
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%1(s32) = G_LOAD %0(p0) :: (load 4 from @internal_global)
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; CHECK: [[V:%[0-9]+]]:gpr = LDRi12 [[G]], 0, 14 /* CC::al */, $noreg :: (load 4 from @internal_global)
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$r0 = COPY %1(s32)
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; CHECK: $r0 = COPY [[V]]
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BX_RET 14, $noreg, implicit $r0
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; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
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...
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---
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name: test_external_global
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# CHECK-LABEL: name: test_external_global
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legalized: true
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regBankSelected: true
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selected: false
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# CHECK: selected: true
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registers:
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- { id: 0, class: gprb }
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- { id: 1, class: gprb }
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body: |
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bb.0:
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%0(p0) = G_GLOBAL_VALUE @external_global
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; DARWIN-MOVT: [[G:%[0-9]+]]:gpr = MOV_ga_pcrel_ldr target-flags(arm-nonlazy) @external_global :: (load 4 from got)
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; DARWIN-NOMOVT: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel_ldr target-flags(arm-nonlazy) @external_global :: (load 4 from got)
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; ELF: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel_ldr target-flags(arm-got) @external_global :: (load 4 from got)
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%1(s32) = G_LOAD %0(p0) :: (load 4 from @external_global)
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; CHECK: [[V:%[0-9]+]]:gpr = LDRi12 [[G]], 0, 14 /* CC::al */, $noreg :: (load 4 from @external_global)
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$r0 = COPY %1(s32)
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; CHECK: $r0 = COPY [[V]]
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BX_RET 14, $noreg, implicit $r0
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; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
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...
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---
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name: test_internal_constant
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# CHECK-LABEL: name: test_internal_constant
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legalized: true
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regBankSelected: true
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selected: false
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# CHECK: selected: true
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registers:
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- { id: 0, class: gprb }
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- { id: 1, class: gprb }
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body: |
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bb.0:
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%0(p0) = G_GLOBAL_VALUE @internal_constant
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; DARWIN-MOVT: [[G:%[0-9]+]]:gpr = MOV_ga_pcrel target-flags(arm-nonlazy) @internal_constant
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; DARWIN-NOMOVT: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel target-flags(arm-nonlazy) @internal_constant
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; ELF: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel @internal_constant
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%1(s32) = G_LOAD %0(p0) :: (load 4 from @internal_constant)
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; CHECK: [[V:%[0-9]+]]:gpr = LDRi12 [[G]], 0, 14 /* CC::al */, $noreg :: (load 4 from @internal_constant)
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$r0 = COPY %1(s32)
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; CHECK: $r0 = COPY [[V]]
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BX_RET 14, $noreg, implicit $r0
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; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
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...
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---
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name: test_external_constant
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# CHECK-LABEL: name: test_external_constant
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legalized: true
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regBankSelected: true
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selected: false
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# CHECK: selected: true
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registers:
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- { id: 0, class: gprb }
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- { id: 1, class: gprb }
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body: |
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bb.0:
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%0(p0) = G_GLOBAL_VALUE @external_constant
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; DARWIN-MOVT: [[G:%[0-9]+]]:gpr = MOV_ga_pcrel_ldr target-flags(arm-nonlazy) @external_constant :: (load 4 from got)
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; DARWIN-NOMOVT: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel_ldr target-flags(arm-nonlazy) @external_constant :: (load 4 from got)
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; ELF: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel_ldr target-flags(arm-got) @external_constant :: (load 4 from got)
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%1(s32) = G_LOAD %0(p0) :: (load 4 from @external_constant)
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; CHECK: [[V:%[0-9]+]]:gpr = LDRi12 [[G]], 0, 14 /* CC::al */, $noreg :: (load 4 from @external_constant)
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$r0 = COPY %1(s32)
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; CHECK: $r0 = COPY [[V]]
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BX_RET 14, $noreg, implicit $r0
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; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
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...
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