1; Test that memdep gets invalidated when the analyses it depends on are
2; invalidated.
3;
4; Check AA specifically.
5; RUN: opt -disable-output -debug-pass-manager -aa-pipeline='basic-aa' %s 2>&1 \
6; RUN:     -passes='require<memdep>,invalidate<aa>,gvn' \
7; RUN:     | FileCheck %s --check-prefix=CHECK-AA-INVALIDATE
8; CHECK-AA-INVALIDATE: Running pass: RequireAnalysisPass
9; CHECK-AA-INVALIDATE: Running analysis: MemoryDependenceAnalysis
10; CHECK-AA-INVALIDATE: Running pass: InvalidateAnalysisPass
11; CHECK-AA-INVALIDATE: Invalidating analysis: AAManager
12; CHECK-AA-INVALIDATE: Invalidating analysis: MemoryDependenceAnalysis
13; CHECK-AA-INVALIDATE: Running pass: GVN
14; CHECK-AA-INVALIDATE: Running analysis: MemoryDependenceAnalysis
15;
16; Check the assumptions analysis specifically.
17; FIXME: We don't have any test cases that actually fail if the assumption
18; cache becomes stale. This just tests what we believe to be correct.
19; RUN: opt -disable-output -debug-pass-manager %s 2>&1 \
20; RUN:     -passes='require<memdep>,invalidate<assumptions>,gvn' \
21; RUN:     | FileCheck %s --check-prefix=CHECK-ASSUMPTIONS-INVALIDATE
22; CHECK-ASSUMPTIONS-INVALIDATE: Running pass: RequireAnalysisPass
23; CHECK-ASSUMPTIONS-INVALIDATE: Running analysis: MemoryDependenceAnalysis
24; CHECK-ASSUMPTIONS-INVALIDATE: Running pass: InvalidateAnalysisPass
25; CHECK-ASSUMPTIONS-INVALIDATE: Invalidating analysis: AssumptionAnalysis
26; CHECK-ASSUMPTIONS-INVALIDATE: Invalidating analysis: MemoryDependenceAnalysis
27; CHECK-ASSUMPTIONS-INVALIDATE: Running pass: GVN
28; CHECK-ASSUMPTIONS-INVALIDATE: Running analysis: MemoryDependenceAnalysis
29;
30; Check domtree specifically.
31; RUN: opt -disable-output -debug-pass-manager %s 2>&1 \
32; RUN:     -passes='require<memdep>,invalidate<domtree>,gvn' \
33; RUN:     | FileCheck %s --check-prefix=CHECK-DT-INVALIDATE
34; CHECK-DT-INVALIDATE: Running pass: RequireAnalysisPass
35; CHECK-DT-INVALIDATE: Running analysis: MemoryDependenceAnalysis
36; CHECK-DT-INVALIDATE: Running pass: InvalidateAnalysisPass
37; CHECK-DT-INVALIDATE: Invalidating analysis: DominatorTreeAnalysis
38; CHECK-DT-INVALIDATE: Invalidating analysis: MemoryDependenceAnalysis
39; CHECK-DT-INVALIDATE: Running pass: GVN
40; CHECK-DT-INVALIDATE: Running analysis: MemoryDependenceAnalysis
41;
42
43define void @test_use_domtree(i32* nocapture %bufUInt, i32* nocapture %pattern) nounwind {
44entry:
45  br label %for.body
46
47for.exit:                                         ; preds = %for.body
48  ret void
49
50for.body:                                         ; preds = %for.body, %entry
51  %i.01 = phi i32 [ 0, %entry ], [ %tmp8.7, %for.body ]
52  %arrayidx = getelementptr i32, i32* %bufUInt, i32 %i.01
53  %arrayidx5 = getelementptr i32, i32* %pattern, i32 %i.01
54  %tmp6 = load i32, i32* %arrayidx5, align 4
55  store i32 %tmp6, i32* %arrayidx, align 4
56  %tmp8.7 = add i32 %i.01, 8
57  %cmp.7 = icmp ult i32 %tmp8.7, 1024
58  br i1 %cmp.7, label %for.body, label %for.exit
59}
60
61%t = type { i32 }
62declare void @foo(i8*)
63
64define void @test_use_aa(%t* noalias %stuff ) {
65entry:
66  %p = getelementptr inbounds %t, %t* %stuff, i32 0, i32 0
67  %before = load i32, i32* %p
68
69  call void @foo(i8* null)
70
71  %after = load i32, i32* %p
72  %sum = add i32 %before, %after
73
74  store i32 %sum, i32* %p
75  ret void
76}
77