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6aff5b94ff
does normal initialization and normal chaining. Change the default AliasAnalysis implementation to NoAlias. Update StandardCompileOpts.h and friends to explicitly request BasicAliasAnalysis. Update tests to explicitly request -basicaa. llvm-svn: 116720
32 lines
1.4 KiB
LLVM
32 lines
1.4 KiB
LLVM
; RUN: opt < %s -basicaa -aa-eval -disable-output |& grep {2 no alias respon}
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; TEST that A[1][0] may alias A[0][i].
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target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
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define void @test(i32 %N) {
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entry:
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%X = alloca [3 x [3 x i32]] ; <[3 x [3 x i32]]*> [#uses=4]
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%tmp.24 = icmp sgt i32 %N, 0 ; <i1> [#uses=1]
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br i1 %tmp.24, label %no_exit, label %loopexit
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no_exit: ; preds = %no_exit, %entry
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%i.0.0 = phi i32 [ 0, %entry ], [ %inc, %no_exit ] ; <i32> [#uses=2]
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%tmp.6 = getelementptr [3 x [3 x i32]]* %X, i32 0, i32 0, i32 %i.0.0 ; <i32*> [#uses=1]
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store i32 1, i32* %tmp.6
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%tmp.8 = getelementptr [3 x [3 x i32]]* %X, i32 0, i32 0, i32 0 ; <i32*> [#uses=1]
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%tmp.9 = load i32* %tmp.8 ; <i32> [#uses=1]
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%tmp.11 = getelementptr [3 x [3 x i32]]* %X, i32 0, i32 1, i32 0 ; <i32*> [#uses=1]
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%tmp.12 = load i32* %tmp.11 ; <i32> [#uses=1]
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%tmp.13 = add i32 %tmp.12, %tmp.9 ; <i32> [#uses=1]
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%inc = add i32 %i.0.0, 1 ; <i32> [#uses=2]
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%tmp.2 = icmp slt i32 %inc, %N ; <i1> [#uses=1]
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br i1 %tmp.2, label %no_exit, label %loopexit
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loopexit: ; preds = %no_exit, %entry
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%Y.0.1 = phi i32 [ 0, %entry ], [ %tmp.13, %no_exit ] ; <i32> [#uses=1]
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%tmp.4 = getelementptr [3 x [3 x i32]]* %X, i32 0, i32 0 ; <[3 x i32]*> [#uses=1]
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%tmp.15 = call i32 (...)* @foo( [3 x i32]* %tmp.4, i32 %Y.0.1 ) ; <i32> [#uses=0]
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ret void
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}
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declare i32 @foo(...)
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