60 lines
2.6 KiB
LLVM
60 lines
2.6 KiB
LLVM
; Test that the BasicAA analysis gets invalidated when its dependencies go
|
|
; away.
|
|
;
|
|
; Check DomTree specifically.
|
|
; RUN: opt -disable-output -disable-verify -debug-pass-manager %s 2>&1 \
|
|
; RUN: -passes='require<aa>,invalidate<domtree>,aa-eval' -aa-pipeline='basic-aa' \
|
|
; RUN: | FileCheck %s --check-prefix=CHECK-DT-INVALIDATE
|
|
; CHECK-DT-INVALIDATE: Running pass: RequireAnalysisPass
|
|
; CHECK-DT-INVALIDATE: Running analysis: BasicAA
|
|
; CHECK-DT-INVALIDATE: Running pass: InvalidateAnalysisPass
|
|
; CHECK-DT-INVALIDATE: Invalidating analysis: DominatorTreeAnalysis
|
|
; CHECK-DT-INVALIDATE: Invalidating analysis: BasicAA
|
|
; CHECK-DT-INVALIDATE: Running pass: AAEvaluator
|
|
; CHECK-DT-INVALIDATE: Running analysis: BasicAA
|
|
;
|
|
; Check LoopInfo specifically.
|
|
; RUN: opt -disable-output -disable-verify -debug-pass-manager %s 2>&1 \
|
|
; RUN: -passes='require<loops>,require<aa>,invalidate<loops>,aa-eval' -aa-pipeline='basic-aa' \
|
|
; RUN: | FileCheck %s --check-prefix=CHECK-LI-INVALIDATE
|
|
; CHECK-LI-INVALIDATE: Running pass: RequireAnalysisPass
|
|
; CHECK-LI-INVALIDATE: Running analysis: BasicAA
|
|
; CHECK-LI-INVALIDATE: Running pass: InvalidateAnalysisPass
|
|
; CHECK-LI-INVALIDATE: Invalidating analysis: LoopAnalysis
|
|
; CHECK-LI-INVALIDATE: Invalidating analysis: BasicAA
|
|
; CHECK-LI-INVALIDATE: Running pass: AAEvaluator
|
|
; CHECK-LI-INVALIDATE: Running analysis: BasicAA
|
|
;
|
|
; Check PhiValues specifically.
|
|
; RUN: opt -disable-output -disable-verify -debug-pass-manager %s 2>&1 \
|
|
; RUN: -passes='require<phi-values>,require<aa>,invalidate<phi-values>,aa-eval' -aa-pipeline='basic-aa' \
|
|
; RUN: | FileCheck %s --check-prefix=CHECK-PV-INVALIDATE
|
|
; CHECK-PV-INVALIDATE: Running pass: RequireAnalysisPass
|
|
; CHECK-PV-INVALIDATE: Running analysis: BasicAA
|
|
; CHECK-PV-INVALIDATE: Running pass: InvalidateAnalysisPass
|
|
; CHECK-PV-INVALIDATE: Invalidating analysis: PhiValuesAnalysis
|
|
; CHECK-PV-INVALIDATE: Invalidating analysis: BasicAA
|
|
; CHECK-PV-INVALIDATE: Running pass: AAEvaluator
|
|
; CHECK-PV-INVALIDATE: Running analysis: BasicAA
|
|
|
|
; Some code that will result in actual AA queries, including inside of a loop.
|
|
; FIXME: Sadly, none of these queries managed to use either the domtree or
|
|
; loopinfo that basic-aa cache. But nor does any other test in LLVM. It would
|
|
; be good to enhance this to actually use these other analyses to make this
|
|
; a more thorough test.
|
|
define void @foo(i1 %x, i8* %p1, i8* %p2) {
|
|
entry:
|
|
%p3 = alloca i8
|
|
store i8 42, i8* %p1
|
|
%gep2 = getelementptr i8, i8* %p2, i32 0
|
|
br i1 %x, label %loop, label %exit
|
|
|
|
loop:
|
|
store i8 13, i8* %p3
|
|
%tmp1 = load i8, i8* %gep2
|
|
br label %loop
|
|
|
|
exit:
|
|
ret void
|
|
}
|