derek.holloway
7502bf64a4
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49 lines
2.0 KiB
LLVM
49 lines
2.0 KiB
LLVM
; RUN: opt -passes='print<alias-sets>' -S -o - < %s 2>&1 | FileCheck %s
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@s = global i8 1, align 1
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@d = global i8 2, align 1
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; CHECK: Alias sets for function 'test_known_size':
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; CHECK: Alias Set Tracker: 1 alias sets for 1 pointer values.
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %d, LocationSize::precise(1))
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define void @test_known_size(ptr noalias %d) {
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entry:
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call void @llvm.memset.p0.i64(ptr align 1 %d, i8 0, i64 1, i1 false)
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ret void
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}
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; CHECK: Alias sets for function 'test_unknown_size':
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; CHECK: Alias Set Tracker: 1 alias sets for 1 pointer values.
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %d, unknown after)
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define void @test_unknown_size(ptr noalias %d, i64 %len) {
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entry:
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call void @llvm.memset.p0.i64(ptr align 1 %d, i8 0, i64 %len, i1 false)
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ret void
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}
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; CHECK: Alias sets for function 'test_atomic_known_size':
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; CHECK: Alias Set Tracker: 1 alias sets for 1 pointer values.
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %d, LocationSize::precise(1))
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define void @test_atomic_known_size(ptr noalias %d) {
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entry:
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call void @llvm.memset.element.unordered.atomic.p0.i32(ptr align 1 %d, i8 0, i64 1, i32 1)
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ret void
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}
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; CHECK: Alias sets for function 'test_atomic_unknown_size':
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; CHECK: Alias Set Tracker: 1 alias sets for 1 pointer values.
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %d, unknown after)
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define void @test_atomic_unknown_size(ptr noalias %d, i64 %len) {
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entry:
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call void @llvm.memset.element.unordered.atomic.p0.i32(ptr align 1 %d, i8 0, i64 %len, i32 1)
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ret void
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}
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declare void @llvm.memset.p0.i64(ptr %dest, i8 %val,
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i64 %len, i1 %isvolatile)
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declare void @llvm.memset.element.unordered.atomic.p0.i32(ptr %dest,
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i8 %value,
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i64 %len,
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i32 %element_size)
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