64 lines
2.4 KiB
LLVM
64 lines
2.4 KiB
LLVM
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; Test that memdep gets invalidated when the analyses it depends on are
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; invalidated.
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;
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; Check AA. AA is stateless, but given an explicit invalidate (abandon) the
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; AAManager is invalidated and we must invalidate memdep as well given
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; the transitive dependency.
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; RUN: opt -disable-output -debug-pass-manager -aa-pipeline='basic-aa' %s 2>&1 \
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; RUN: -passes='require<memdep>,invalidate<aa>,gvn' \
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; RUN: | FileCheck %s --check-prefix=CHECK-AA-INVALIDATE
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; CHECK-AA-INVALIDATE: Running pass: RequireAnalysisPass
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; CHECK-AA-INVALIDATE: Running analysis: MemoryDependenceAnalysis
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; CHECK-AA-INVALIDATE: Running pass: InvalidateAnalysisPass
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; CHECK-AA-INVALIDATE: Invalidating analysis: AAManager
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; CHECK-AA-INVALIDATE: Invalidating analysis: MemoryDependenceAnalysis
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; CHECK-AA-INVALIDATE: Running pass: GVNPass
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; CHECK-AA-INVALIDATE: Running analysis: MemoryDependenceAnalysis
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;
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; Check domtree specifically.
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; RUN: opt -disable-output -debug-pass-manager %s 2>&1 \
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; RUN: -passes='require<memdep>,invalidate<domtree>,gvn' \
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; RUN: | FileCheck %s --check-prefix=CHECK-DT-INVALIDATE
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; CHECK-DT-INVALIDATE: Running pass: RequireAnalysisPass
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; CHECK-DT-INVALIDATE: Running analysis: MemoryDependenceAnalysis
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; CHECK-DT-INVALIDATE: Running pass: InvalidateAnalysisPass
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; CHECK-DT-INVALIDATE: Invalidating analysis: DominatorTreeAnalysis
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; CHECK-DT-INVALIDATE: Invalidating analysis: MemoryDependenceAnalysis
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; CHECK-DT-INVALIDATE: Running pass: GVNPass
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; CHECK-DT-INVALIDATE: Running analysis: MemoryDependenceAnalysis
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;
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define void @test_use_domtree(ptr nocapture %bufUInt, ptr nocapture %pattern) nounwind {
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entry:
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br label %for.body
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for.exit: ; preds = %for.body
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ret void
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for.body: ; preds = %for.body, %entry
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%i.01 = phi i32 [ 0, %entry ], [ %tmp8.7, %for.body ]
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%arrayidx = getelementptr i32, ptr %bufUInt, i32 %i.01
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%arrayidx5 = getelementptr i32, ptr %pattern, i32 %i.01
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%tmp6 = load i32, ptr %arrayidx5, align 4
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store i32 %tmp6, ptr %arrayidx, align 4
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%tmp8.7 = add i32 %i.01, 8
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%cmp.7 = icmp ult i32 %tmp8.7, 1024
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br i1 %cmp.7, label %for.body, label %for.exit
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}
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%t = type { i32 }
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declare void @foo(ptr)
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define void @test_use_aa(ptr noalias %stuff ) {
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entry:
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%before = load i32, ptr %stuff
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call void @foo(ptr null)
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%after = load i32, ptr %stuff
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%sum = add i32 %before, %after
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store i32 %sum, ptr %stuff
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ret void
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}
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