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21 lines
640 B
LLVM
21 lines
640 B
LLVM
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; This testcase ensures that CFL AA gives conservative answers on variables
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; that involve arguments.
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; (Everything should alias everything, because args can alias globals, so the
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; aliasing sets should of args+alloca+global should be combined)
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; RUN: opt < %s -cfl-aa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
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; CHECK: Function: test
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@g = external global i32
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define void @test(i1 %c, i32* %arg1, i32* %arg2) {
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; CHECK: 15 Total Alias Queries Performed
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; CHECK: 0 no alias responses
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%A = alloca i32, align 4
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%B = select i1 %c, i32* %arg1, i32* %arg2
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%C = select i1 %c, i32* @g, i32* %A
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ret void
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}
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