derek.holloway
7502bf64a4
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81 lines
2.3 KiB
LLVM
81 lines
2.3 KiB
LLVM
; RUN: opt < %s -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
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declare void @capture(ptr)
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declare ptr @get_ptr()
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; CHECK-LABEL: address_capture
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; CHECK: NoAlias: i32* %a, i32* %p
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; CHECK: NoModRef: Ptr: i32* %a <-> %p = call ptr @get_ptr()
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define void @address_capture() {
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%a = alloca i32
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call void @capture(ptr captures(address) %a)
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%p = call ptr @get_ptr()
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store i32 0, ptr %p
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load i32, ptr %a
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ret void
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}
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; CHECK-LABEL: read_only_capture
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; CHECK: MayAlias: i32* %a, i32* %p
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; CHECK: Just Ref: Ptr: i32* %a <-> %p = call ptr @get_ptr()
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define void @read_only_capture() {
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%a = alloca i32
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call void @capture(ptr captures(address, read_provenance) %a)
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%p = call ptr @get_ptr()
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store i32 0, ptr %p
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load i32, ptr %a
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ret void
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}
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; CHECK-LABEL: address_capture_and_full_capture
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; CHECK: MayAlias: i32* %a, i32* %p
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; CHECK: Both ModRef: Ptr: i32* %a <-> %p = call ptr @get_ptr()
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define void @address_capture_and_full_capture() {
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%a = alloca i32
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call void @capture(ptr captures(address) %a)
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call void @capture(ptr %a)
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%p = call ptr @get_ptr()
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store i32 0, ptr %p
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load i32, ptr %a
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ret void
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}
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; CHECK-LABEL: address_capture_and_full_capture_commuted
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; CHECK: MayAlias: i32* %a, i32* %p
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; CHECK: Both ModRef: Ptr: i32* %a <-> %p = call ptr @get_ptr()
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define void @address_capture_and_full_capture_commuted() {
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%a = alloca i32
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call void @capture(ptr %a)
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call void @capture(ptr captures(address) %a)
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%p = call ptr @get_ptr()
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store i32 0, ptr %p
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load i32, ptr %a
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ret void
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}
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; CHECK-LABEL: read_only_capture_and_full_capture
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; CHECK: MayAlias: i32* %a, i32* %p
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; CHECK: Both ModRef: Ptr: i32* %a <-> %p = call ptr @get_ptr()
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define void @read_only_capture_and_full_capture() {
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%a = alloca i32
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call void @capture(ptr captures(address, read_provenance) %a)
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call void @capture(ptr %a)
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%p = call ptr @get_ptr()
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store i32 0, ptr %p
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load i32, ptr %a
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ret void
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}
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; CHECK-LABEL: read_only_capture_and_full_capture_commuted
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; CHECK: MayAlias: i32* %a, i32* %p
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; CHECK: Both ModRef: Ptr: i32* %a <-> %p = call ptr @get_ptr()
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define void @read_only_capture_and_full_capture_commuted() {
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%a = alloca i32
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call void @capture(ptr %a)
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call void @capture(ptr captures(address, read_provenance) %a)
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%p = call ptr @get_ptr()
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store i32 0, ptr %p
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load i32, ptr %a
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ret void
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}
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