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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
72 lines
2.3 KiB
LLVM
72 lines
2.3 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce
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; Check that we don't fall into an infinite loop.
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define void @test() nounwind {
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entry:
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br label %for.body
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for.body:
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%0 = phi i32 [ 1, %entry ], [ 0, %for.body ]
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br label %for.body
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}
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define void @test2() nounwind {
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entry:
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br label %for.body
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for.body: ; preds = %for.body, %entry
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%indvars.iv47 = phi i64 [ 0, %entry ], [ %indvars.iv.next48, %for.body ]
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%0 = phi i32 [ 1, %entry ], [ 0, %for.body ]
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%indvars.iv.next48 = add i64 %indvars.iv47, 1
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br i1 undef, label %for.end, label %for.body
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for.end: ; preds = %for.body
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unreachable
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}
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;PR14701
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define void @start_model_rare() nounwind uwtable ssp {
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entry:
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br i1 undef, label %return, label %if.end
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if.end: ; preds = %entry
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br i1 undef, label %cond.false, label %cond.true
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cond.true: ; preds = %if.end
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unreachable
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cond.false: ; preds = %if.end
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br i1 undef, label %cond.false28, label %cond.true20
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cond.true20: ; preds = %cond.false
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unreachable
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cond.false28: ; preds = %cond.false
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br label %for.body40
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for.body40: ; preds = %for.inc50, %cond.false28
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%indvars.iv123 = phi i64 [ 3, %cond.false28 ], [ %indvars.iv.next124, %for.inc50 ]
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%step.0121 = phi i32 [ 1, %cond.false28 ], [ %step.1, %for.inc50 ]
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br i1 undef, label %if.then46, label %for.inc50
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if.then46: ; preds = %for.body40
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%inc47 = add nsw i32 %step.0121, 1
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br label %for.inc50
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for.inc50: ; preds = %if.then46, %for.body40
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%k.1 = phi i32 [ undef, %for.body40 ], [ %inc47, %if.then46 ]
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%step.1 = phi i32 [ %step.0121, %for.body40 ], [ %inc47, %if.then46 ]
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%indvars.iv.next124 = add i64 %indvars.iv123, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next124 to i32
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%exitcond = icmp eq i32 %lftr.wideiv, 256
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br i1 %exitcond, label %for.end52, label %for.body40
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for.end52: ; preds = %for.inc50
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unreachable
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return: ; preds = %entry
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ret void
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}
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