forked from OSchip/llvm-project
31 lines
695 B
LLVM
31 lines
695 B
LLVM
; This testcase ensures that CFL AA handles trivial cases with storing
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; pointers in pointers appropriately.
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; Derived from:
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; char a, b;
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; char *m = &a, *n = &b;
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; *m;
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; *n;
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; RUN: opt < %s -cfl-steens-aa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
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%T = type { i32, [10 x i8] }
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; CHECK: Function: test
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define void @test() {
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; CHECK: 15 Total Alias Queries Performed
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; CHECK: 13 no alias responses
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%M = alloca %T*, align 8
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%N = alloca %T*, align 8
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%A = alloca %T, align 8
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%B = alloca %T, align 8
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store %T* %A, %T** %M
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store %T* %B, %T** %N
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%AP = load %T*, %T** %M ; PartialAlias with %A
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%BP = load %T*, %T** %N ; PartialAlias with %B
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ret void
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}
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