forked from OSchip/llvm-project
77 lines
2.9 KiB
LLVM
77 lines
2.9 KiB
LLVM
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; RUN: llc -mtriple armv7-linux -relocation-model=ropi -mattr=-no-movt,+v8m -global-isel %s -o - | FileCheck %s -check-prefixes=CHECK,RW-DEFAULT-MOVT,RW-DEFAULT,ROPI-MOVT,ROPI
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; RUN: llc -mtriple armv7-linux -relocation-model=ropi -mattr=+no-movt -global-isel %s -o - | FileCheck %s -check-prefixes=CHECK,RW-DEFAULT-NOMOVT,RW-DEFAULT,ROPI-NOMOVT,ROPI
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@internal_global = internal global i32 42
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define i32 @test_internal_global() {
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; CHECK-LABEL: test_internal_global:
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; RW-DEFAULT-MOVT: movw r[[ADDR:[0-9]+]], :lower16:internal_global
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; RW-DEFAULT-MOVT-NEXT: movt r[[ADDR]], :upper16:internal_global
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; RW-DEFAULT-NOMOVT: ldr r[[ADDR:[0-9]+]], [[LABEL:.L[[:alnum:]_]+]]
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; RW-DEFAULT-NEXT: ldr r0, [r[[ADDR]]]
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; RW-DEFAULT-NEXT: bx lr
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; RW-DEFAULT-NOMOVT: [[LABEL]]:
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; RW-DEFAULT-NOMOVT-NEXT: .long internal_global
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entry:
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%v = load i32, i32* @internal_global
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ret i32 %v
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}
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@external_global = external global i32
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define i32 @test_external_global() {
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; CHECK-LABEL: test_external_global:
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; RW-DEFAULT-MOVT: movw r[[ADDR:[0-9]+]], :lower16:external_global
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; RW-DEFAULT-MOVT-NEXT: movt r[[ADDR]], :upper16:external_global
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; RW-DEFAULT-NOMOVT: ldr r[[ADDR:[0-9]+]], [[LABEL:.L[[:alnum:]_]+]]
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; RW-DEFAULT-NEXT: ldr r0, [r[[ADDR]]]
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; RW-DEFAULT-NEXT: bx lr
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; RW-DEFAULT-NOMOVT: [[LABEL]]:
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; RW-DEFAULT-NOMOVT: .long external_global
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entry:
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%v = load i32, i32* @external_global
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ret i32 %v
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}
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@internal_constant = internal constant i32 42
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define i32 @test_internal_constant() {
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; CHECK-LABEL: test_internal_constant:
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; ROPI-MOVT: movw [[OFFSET:r[0-9]+]], :lower16:(internal_constant-([[ANCHOR:.L[[:alnum:]_]+]]+8)
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; ROPI-MOVT-NEXT: movt [[OFFSET]], :upper16:(internal_constant-([[ANCHOR]]+8)
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; ROPI-MOVT-NEXT: [[ANCHOR]]:
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; ROPI-NOMOVT: ldr [[OFFSET:r[0-9]+]], [[LABEL:.L[[:alnum:]_]+]]
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; ROPI-NOMOVT-NEXT: [[ANCHOR:.L[[:alnum:]_]+]]:
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; ROPI-NEXT: add r[[ADDR:[0-9]+]], pc, [[OFFSET]]
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; ROPI-NEXT: ldr r0, [r[[ADDR]]]
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; ROPI-NEXT: bx lr
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; ROPI-NOMOVT: [[LABEL]]:
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; ROPI-NOMOVT-NEXT: .long internal_constant-([[ANCHOR]]+8)
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entry:
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%v = load i32, i32* @internal_constant
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ret i32 %v
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}
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@external_constant = external constant i32
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define i32 @test_external_constant() {
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; CHECK-LABEL: test_external_constant:
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; ROPI-MOVT: movw [[OFFSET:r[0-9]+]], :lower16:(external_constant-([[ANCHOR:.L[[:alnum:]_]+]]+8)
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; ROPI-MOVT-NEXT: movt [[OFFSET]], :upper16:(external_constant-([[ANCHOR]]+8)
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; ROPI-MOVT-NEXT: [[ANCHOR]]:
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; ROPI-NOMOVT: ldr [[OFFSET:r[0-9]+]], [[LABEL:.L[[:alnum:]_]+]]
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; ROPI-NOMOVT-NEXT: [[ANCHOR:.L[[:alnum:]_]+]]:
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; ROPI-NEXT: add r[[ADDR:[0-9]+]], pc, [[OFFSET]]
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; ROPI-NEXT: ldr r0, [r[[ADDR]]]
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; ROPI-NEXT: bx lr
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; ROPI-NOMOVT: [[LABEL]]:
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; ROPI-NOMOVT-NEXT: .long external_constant-([[ANCHOR]]+8)
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entry:
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%v = load i32, i32* @external_constant
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ret i32 %v
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}
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; RW-DEFAULT-NOMOVT: internal_global:
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; RW-DEFAULT-NOMOVT: .long 42
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; RW-DEFAULT-NOMOVT: .size internal_global, 4
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; ROPI-NOMOVT: internal_constant:
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; ROPI-NOMOVT: .long 42
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; ROPI-NOMOVT: .size internal_constant, 4
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