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38 lines
1.1 KiB
LLVM
38 lines
1.1 KiB
LLVM
; RUN: opt < %s -disable-output "-passes=print<da>" -aa-pipeline=basic-aa 2>&1
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; RUN: opt < %s -analyze -basic-aa -da
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;
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; CHECK: da analyze - consistent input [S S]!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - input [* *]!
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;
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n8:16:32-S64"
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target triple = "thumbv7--linux-gnueabi"
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define void @f(i32** %a, i32 %n) align 2 {
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for.preheader:
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%t.0 = ashr exact i32 %n, 3
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br label %for.body.1
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for.body.1:
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%i.1 = phi i32 [ %t.5, %for.inc ], [ 0, %for.preheader ]
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%i.2 = phi i32 [ %i.5, %for.inc ], [ %t.0, %for.preheader ]
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br i1 undef, label %for.inc, label %for.body.2
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for.body.2:
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%i.3 = phi i32 [ %t.1, %for.body.2 ], [ %i.1, %for.body.1 ]
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%t.1 = add i32 %i.3, 1
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%t.2 = load i32*, i32** %a, align 4
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%t.3 = getelementptr inbounds i32, i32* %t.2, i32 %i.3
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%t.4 = load i32, i32* %t.3, align 4
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br i1 undef, label %for.inc, label %for.body.2
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for.inc:
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%i.4 = phi i32 [ %i.2, %for.body.1 ], [ %i.2, %for.body.2 ]
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%t.5 = add i32 %i.1, %i.4
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%i.5 = add i32 %i.2, -1
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br i1 undef, label %for.exit, label %for.body.1
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for.exit:
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ret void
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}
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