32 lines
1.2 KiB
LLVM
32 lines
1.2 KiB
LLVM
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; RUN: opt -S -basic-aa -aa-eval -print-all-alias-modref-info -disable-output < %s 2>&1 | FileCheck %s
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; CHECK-LABEL: Function: test
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;; Before limit:
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; CHECK-DAG: MustAlias: i8* %gep.add5, i8* %gep.inc5
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; CHECK-DAG: NoAlias: i8* %gep.inc3, i8* %gep.inc5
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; CHECK-DAG: NoAlias: i8* %gep.inc4, i8* %gep.inc5
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;; At limit:
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; CHECK-DAG: MustAlias: i8* %gep.add6, i8* %gep.inc6
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; CHECK-DAG: NoAlias: i8* %gep.inc4, i8* %gep.inc6
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; CHECK-DAG: NoAlias: i8* %gep.inc5, i8* %gep.inc6
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;; After limit:
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; CHECK-DAG: MayAlias: i8* %gep.add7, i8* %gep.inc7
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; CHECK-DAG: MayAlias: i8* %gep.inc5, i8* %gep.inc7
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; CHECK-DAG: NoAlias: i8* %gep.inc6, i8* %gep.inc7
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define void @test(i8* %base) {
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%gep.add5 = getelementptr i8, i8* %base, i64 5
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%gep.add6 = getelementptr i8, i8* %base, i64 6
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%gep.add7 = getelementptr i8, i8* %base, i64 7
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%gep.inc1 = getelementptr i8, i8* %base, i64 1
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%gep.inc2 = getelementptr i8, i8* %gep.inc1, i64 1
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%gep.inc3 = getelementptr i8, i8* %gep.inc2, i64 1
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%gep.inc4 = getelementptr i8, i8* %gep.inc3, i64 1
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%gep.inc5 = getelementptr i8, i8* %gep.inc4, i64 1
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%gep.inc6 = getelementptr i8, i8* %gep.inc5, i64 1
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%gep.inc7 = getelementptr i8, i8* %gep.inc6, i64 1
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ret void
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}
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