1 ; Test that the BasicAA analysis gets invalidated when its dependencies go 2 ; away. 3 ; 4 ; Check DomTree specifically. 5 ; RUN: opt -disable-output -disable-verify -debug-pass-manager %s 2>&1 \ 6 ; RUN: -passes='require<aa>,invalidate<domtree>,aa-eval' -aa-pipeline='basic-aa' \ 7 ; RUN: | FileCheck %s --check-prefix=CHECK-DT-INVALIDATE 8 ; CHECK-DT-INVALIDATE: Running pass: RequireAnalysisPass 9 ; CHECK-DT-INVALIDATE: Running analysis: BasicAA 10 ; CHECK-DT-INVALIDATE: Running pass: InvalidateAnalysisPass 11 ; CHECK-DT-INVALIDATE: Invalidating analysis: DominatorTreeAnalysis 12 ; CHECK-DT-INVALIDATE: Invalidating analysis: BasicAA 13 ; CHECK-DT-INVALIDATE: Running pass: AAEvaluator 14 ; CHECK-DT-INVALIDATE: Running analysis: BasicAA 15 ; 16 ; Check LoopInfo specifically. 17 ; RUN: opt -disable-output -disable-verify -debug-pass-manager %s 2>&1 \ 18 ; RUN: -passes='require<loops>,require<aa>,invalidate<loops>,aa-eval' -aa-pipeline='basic-aa' \ 19 ; RUN: | FileCheck %s --check-prefix=CHECK-LI-INVALIDATE 20 ; CHECK-LI-INVALIDATE: Running pass: RequireAnalysisPass 21 ; CHECK-LI-INVALIDATE: Running analysis: BasicAA 22 ; CHECK-LI-INVALIDATE: Running pass: InvalidateAnalysisPass 23 ; CHECK-LI-INVALIDATE: Invalidating analysis: LoopAnalysis 24 ; CHECK-LI-INVALIDATE: Invalidating analysis: BasicAA 25 ; CHECK-LI-INVALIDATE: Running pass: AAEvaluator 26 ; CHECK-LI-INVALIDATE: Running analysis: BasicAA 27 ; 28 ; Check PhiValues specifically. 29 ; RUN: opt -disable-output -disable-verify -debug-pass-manager %s 2>&1 \ 30 ; RUN: -passes='require<phi-values>,require<aa>,invalidate<phi-values>,aa-eval' -aa-pipeline='basic-aa' \ 31 ; RUN: | FileCheck %s --check-prefix=CHECK-PV-INVALIDATE 32 ; CHECK-PV-INVALIDATE: Running pass: RequireAnalysisPass 33 ; CHECK-PV-INVALIDATE: Running analysis: BasicAA 34 ; CHECK-PV-INVALIDATE: Running pass: InvalidateAnalysisPass 35 ; CHECK-PV-INVALIDATE: Invalidating analysis: PhiValuesAnalysis 36 ; CHECK-PV-INVALIDATE: Invalidating analysis: BasicAA 37 ; CHECK-PV-INVALIDATE: Running pass: AAEvaluator 38 ; CHECK-PV-INVALIDATE: Running analysis: BasicAA 39 40 ; Some code that will result in actual AA queries, including inside of a loop. 41 ; FIXME: Sadly, none of these queries managed to use either the domtree or 42 ; loopinfo that basic-aa cache. But nor does any other test in LLVM. It would 43 ; be good to enhance this to actually use these other analyses to make this 44 ; a more thorough test. 45 define void @foo(i1 %x, i8* %p1, i8* %p2) { 46 entry: 47 %p3 = alloca i8 48 store i8 42, i8* %p1 49 %gep2 = getelementptr i8, i8* %p2, i32 0 50 br i1 %x, label %loop, label %exit 51 52 loop: 53 store i8 13, i8* %p3 54 %tmp1 = load i8, i8* %gep2 55 br label %loop 56 57 exit: 58 ret void 59 } 60
