29 lines
1.5 KiB
LLVM
29 lines
1.5 KiB
LLVM
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; RUN: opt < %s -basic-aa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
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target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32"
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) #0
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declare void @llvm.experimental.noalias.scope.decl(metadata)
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define void @test1(i8* %P, i8* %Q) nounwind ssp {
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tail call void @llvm.experimental.noalias.scope.decl(metadata !0)
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tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
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ret void
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; CHECK-LABEL: Function: test1:
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; CHECK: MayAlias: i8* %P, i8* %Q
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; CHECK: NoModRef: Ptr: i8* %P <-> tail call void @llvm.experimental.noalias.scope.decl(metadata !0)
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; CHECK: NoModRef: Ptr: i8* %Q <-> tail call void @llvm.experimental.noalias.scope.decl(metadata !0)
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; CHECK: Both ModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
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; CHECK: Both ModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
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; CHECK: NoModRef: tail call void @llvm.experimental.noalias.scope.decl(metadata !0) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
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; CHECK: NoModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.experimental.noalias.scope.decl(metadata !0)
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}
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attributes #0 = { nounwind }
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!0 = !{ !1 }
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!1 = distinct !{ !1, !2, !"test1: var" }
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!2 = distinct !{ !2, !"test1" }
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