forked from OSchip/llvm-project
62 lines
2.0 KiB
LLVM
62 lines
2.0 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -enable-if-conversion
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.8.0"
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define fastcc void @DD_dump() nounwind uwtable ssp {
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entry:
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br i1 undef, label %lor.lhs.false, label %if.end25
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lor.lhs.false: ; preds = %entry
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br i1 undef, label %if.end21, label %if.else
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if.else: ; preds = %lor.lhs.false
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br i1 undef, label %num_q.exit, label %while.body.i.preheader
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while.body.i.preheader: ; preds = %if.else
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br label %while.body.i
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while.body.i: ; preds = %if.end.i, %while.body.i.preheader
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switch i8 undef, label %if.end.i [
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i8 39, label %if.then.i
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i8 92, label %if.then.i
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]
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if.then.i: ; preds = %while.body.i, %while.body.i
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br label %if.end.i
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if.end.i: ; preds = %if.then.i, %while.body.i
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br i1 undef, label %num_q.exit, label %while.body.i
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num_q.exit: ; preds = %if.end.i, %if.else
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unreachable
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if.end21: ; preds = %lor.lhs.false
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unreachable
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if.end25: ; preds = %entry
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ret void
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}
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; PR15990
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; We can have basic blocks with single entry PHI nodes.
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define void @single_entry_phi(i32* %a, i32 *%b) {
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entry:
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br label %for.cond1.preheader
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for.cond1.preheader:
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%inc10 = phi i32 [ 0, %entry ], [ %inc, %for.end ]
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br label %for.end
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for.end:
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%malicious.phi = phi i32 [ 0, %for.cond1.preheader ]
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%inc = add nsw i32 %inc10, 1
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%tobool = icmp eq i32 %inc, 0
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br i1 %tobool, label %for.cond.for.end5, label %for.cond1.preheader
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for.cond.for.end5:
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%and.lcssa = phi i32 [ %malicious.phi, %for.end ]
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store i32 %and.lcssa, i32* %a, align 4
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ret void
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}
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