pr27213.ll
1.08 KB
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; RUN: opt < %s -disable-basic-aa -cfl-steens-aa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
; RUN: opt < %s -aa-pipeline=cfl-steens-aa -passes=aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
; CHECK-LABEL: Function: foo
; CHECK: MayAlias: i32* %A, i32* %B
define void @foo(i32* %A, i32* %B) {
entry:
store i32 0, i32* %A, align 4
store i32 0, i32* %B, align 4
ret void
}
; CHECK-LABEL: Function: bar
; CHECK: MayAlias: i32* %A, i32* %B
; CHECK: MayAlias: i32* %A, i32* %arrayidx
; CHECK: MayAlias: i32* %B, i32* %arrayidx
define void @bar(i32* %A, i32* %B) {
entry:
store i32 0, i32* %A, align 4
%arrayidx = getelementptr inbounds i32, i32* %B, i64 1
store i32 0, i32* %arrayidx, align 4
ret void
}
@G = global i32 0
; CHECK-LABEL: Function: baz
; CHECK: MayAlias: i32* %A, i32* @G
define void @baz(i32* %A) {
entry:
store i32 0, i32* %A, align 4
store i32 0, i32* @G, align 4
ret void
}
; CHECK-LABEL: Alias Analysis Evaluator Report
; CHECK: 5 Total Alias Queries Performed
; CHECK: 0 no alias responses
; CHECK: 5 may alias responses