forked from OSchip/llvm-project
48 lines
1.4 KiB
LLVM
48 lines
1.4 KiB
LLVM
; RUN: opt < %s -globals-aa -aa-eval -print-all-alias-modref-info -S 2>&1 | FileCheck %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.10.0"
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@a = internal global i32 0, align 4
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@b = internal global i32 0, align 4
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define void @g(i32* %p, void (i32*)* nocapture %ptr) {
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entry:
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tail call void %ptr(i32* %p) #1
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ret void
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}
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; CHECK-LABEL: Function: f
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; CHECK: MayAlias: i32* %p, i32* @a
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; CHECK: MayAlias: i32* %q, i32* @a
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define i32 @f(i32 %n, i32* nocapture readonly %p, i32* nocapture %q, void (i32*)* nocapture %ptr) {
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entry:
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tail call void @g(i32* nonnull @a, void (i32*)* %ptr)
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%arrayidx = getelementptr inbounds i32, i32* %p, i64 0
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%z1 = load i32, i32* %arrayidx, align 4
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%z2 = load i32, i32* %q, align 4
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%add = add nsw i32 %z2, %z1
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store i32 %add, i32* %q, align 4
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ret i32 4
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}
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define void @g2(i32* nocapture %p, void (i32*)* nocapture %ptr) {
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entry:
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tail call void %ptr(i32* %p) #1
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ret void
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}
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; CHECK-LABEL: Function: f2
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; CHECK: NoAlias: i32* %p, i32* @b
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; CHECK: NoAlias: i32* %q, i32* @b
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define i32 @f2(i32 %n, i32* nocapture readonly %p, i32* nocapture %q, void (i32*)* nocapture %ptr) {
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entry:
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tail call void @g2(i32* nonnull @b, void (i32*)* %ptr)
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%arrayidx = getelementptr inbounds i32, i32* %p, i64 0
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%z1 = load i32, i32* %arrayidx, align 4
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%z2 = load i32, i32* %q, align 4
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%add = add nsw i32 %z2, %z1
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store i32 %add, i32* %q, align 4
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ret i32 4
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}
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