81 lines
3.6 KiB
LLVM
81 lines
3.6 KiB
LLVM
; RUN: opt -passes=jump-threading -S < %s | FileCheck %s
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@a = common dso_local local_unnamed_addr global i16 0, align 2
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; Function Attrs: nofree norecurse nounwind
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define internal fastcc void @s() unnamed_addr {
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; CHECK-LABEL: @s(
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; CHECK-NEXT: for.cond1.preheader.lr.ph:
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; CHECK-NEXT: br label [[FOR_COND1_PREHEADER:%.*]]
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; CHECK: for.cond1.preheader:
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; CHECK-NEXT: [[DOTPR_I_19:%.*]] = phi i32 [ undef, [[FOR_COND1_PREHEADER_LR_PH:%.*]] ], [ 0, [[FOR_INC_SPLIT_1:%.*]] ]
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; CHECK-NEXT: [[TMP0:%.*]] = phi i16 [ undef, [[FOR_COND1_PREHEADER_LR_PH]] ], [ [[INC9:%.*]], [[FOR_INC_SPLIT_1]] ]
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; CHECK-NEXT: [[TOBOOL4_I:%.*]] = icmp eq i32 [[DOTPR_I_19]], 0
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; CHECK-NEXT: br i1 [[TOBOOL4_I]], label [[FOR_INC_SPLIT_1]], label [[FOR_BODY_LR_PH_I:%.*]]
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; CHECK: for.body.lr.ph.i:
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; CHECK-NEXT: ret void
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; CHECK: for.cond.for.end10_crit_edge:
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; CHECK-NEXT: ret void
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; CHECK: for.inc.split.1:
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; CHECK-NEXT: [[INC9]] = add i16 [[TMP0]], 1
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; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i16 [[INC9]], 0
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; CHECK-NEXT: br i1 [[TOBOOL]], label [[FOR_COND_FOR_END10_CRIT_EDGE:%.*]], label [[FOR_COND1_PREHEADER]]
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;
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for.cond1.preheader.lr.ph:
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br label %for.cond1.preheader
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for.cond1.preheader: ; preds = %for.inc.split.1, %for.cond1.preheader.lr.ph
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%.pr.i.19 = phi i32 [ undef, %for.cond1.preheader.lr.ph ], [ 0, %for.inc.split.1 ]
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%0 = phi i16 [ undef, %for.cond1.preheader.lr.ph ], [ %inc9, %for.inc.split.1 ]
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%tobool4.i = icmp eq i32 %.pr.i.19, 0
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br i1 %tobool4.i, label %t.exit, label %for.body.lr.ph.i
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for.body.lr.ph.i: ; preds = %for.cond1.preheader
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ret void
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t.exit: ; preds = %for.cond1.preheader
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br label %for.inc.split
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for.inc.split: ; preds = %t.exit
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%tobool4.i.1 = icmp eq i32 %.pr.i.19, 0
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br i1 %tobool4.i.1, label %for.inc.split.1, label %for.body.lr.ph.i.1
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for.cond.for.end10_crit_edge: ; preds = %for.inc.split.1
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ret void
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for.body.lr.ph.i.1: ; preds = %for.inc.split
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br label %for.body.lr.ph.split.i.1
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for.body.lr.ph.split.i.1: ; preds = %for.body.lr.ph.i.1
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br label %for.body.preheader.i.1
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for.body.preheader.i.1: ; preds = %for.body.lr.ph.split.i.1
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br label %for.body.i.us.1.preheader
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for.body.i.us.1.preheader: ; preds = %for.body.preheader.i.1
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br label %for.body.i.us.1
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for.body.i.us.1: ; preds = %lor.end.i.us.1, %for.body.i.us.1.preheader
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%.b.i.us.1 = phi i1 [ %spec.select44.i.us.1, %lor.end.i.us.1 ], [ undef, %for.body.i.us.1.preheader ]
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br i1 %.b.i.us.1, label %lor.end.i.us.1, label %lor.rhs.i.us.1
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lor.rhs.i.us.1: ; preds = %for.body.i.us.1
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%conv5.i.us.1 = trunc i32 undef to i8
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br label %lor.end.i.us.1
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lor.end.i.us.1: ; preds = %lor.rhs.i.us.1, %for.body.i.us.1
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%.b31.i.us.1 = or i1 undef, %.b.i.us.1
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%spec.select44.i.us.1 = or i1 undef, %.b31.i.us.1
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br i1 undef, label %for.end18.loopexit42.i.1.loopexit, label %for.body.i.us.1
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for.end18.loopexit42.i.1.loopexit: ; preds = %lor.end.i.us.1
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br label %for.end18.loopexit42.i.1
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for.end18.loopexit42.i.1: ; preds = %for.end18.loopexit42.i.1.loopexit
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br label %for.inc.split.1
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for.inc.split.1: ; preds = %for.end18.loopexit42.i.1, %for.inc.split
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%inc9 = add i16 %0, 1
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%tobool = icmp eq i16 %inc9, 0
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br i1 %tobool, label %for.cond.for.end10_crit_edge, label %for.cond1.preheader
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}
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