blob: b6d5e14fb1a2b4cfd8b08f2df8505527930654b9 [file] [log] [blame]
; RUN: opt -passes=jump-threading -S < %s | FileCheck %s
@a = common dso_local local_unnamed_addr global i16 0, align 2
; Function Attrs: nofree norecurse nounwind
define internal fastcc void @s() unnamed_addr {
; CHECK-LABEL: @s(
; CHECK-NEXT: for.cond1.preheader.lr.ph:
; CHECK-NEXT: br label [[FOR_COND1_PREHEADER:%.*]]
; CHECK: for.cond1.preheader:
; CHECK-NEXT: [[DOTPR_I_19:%.*]] = phi i32 [ undef, [[FOR_COND1_PREHEADER_LR_PH:%.*]] ], [ 0, [[FOR_INC_SPLIT_1:%.*]] ]
; CHECK-NEXT: [[TMP0:%.*]] = phi i16 [ undef, [[FOR_COND1_PREHEADER_LR_PH]] ], [ [[INC9:%.*]], [[FOR_INC_SPLIT_1]] ]
; CHECK-NEXT: [[TOBOOL4_I:%.*]] = icmp eq i32 [[DOTPR_I_19]], 0
; CHECK-NEXT: br i1 [[TOBOOL4_I]], label [[FOR_INC_SPLIT_1]], label [[FOR_BODY_LR_PH_I:%.*]]
; CHECK: for.body.lr.ph.i:
; CHECK-NEXT: ret void
; CHECK: for.cond.for.end10_crit_edge:
; CHECK-NEXT: ret void
; CHECK: for.inc.split.1:
; CHECK-NEXT: [[INC9]] = add i16 [[TMP0]], 1
; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i16 [[INC9]], 0
; CHECK-NEXT: br i1 [[TOBOOL]], label [[FOR_COND_FOR_END10_CRIT_EDGE:%.*]], label [[FOR_COND1_PREHEADER]]
;
for.cond1.preheader.lr.ph:
br label %for.cond1.preheader
for.cond1.preheader: ; preds = %for.inc.split.1, %for.cond1.preheader.lr.ph
%.pr.i.19 = phi i32 [ undef, %for.cond1.preheader.lr.ph ], [ 0, %for.inc.split.1 ]
%0 = phi i16 [ undef, %for.cond1.preheader.lr.ph ], [ %inc9, %for.inc.split.1 ]
%tobool4.i = icmp eq i32 %.pr.i.19, 0
br i1 %tobool4.i, label %t.exit, label %for.body.lr.ph.i
for.body.lr.ph.i: ; preds = %for.cond1.preheader
ret void
t.exit: ; preds = %for.cond1.preheader
br label %for.inc.split
for.inc.split: ; preds = %t.exit
%tobool4.i.1 = icmp eq i32 %.pr.i.19, 0
br i1 %tobool4.i.1, label %for.inc.split.1, label %for.body.lr.ph.i.1
for.cond.for.end10_crit_edge: ; preds = %for.inc.split.1
ret void
for.body.lr.ph.i.1: ; preds = %for.inc.split
br label %for.body.lr.ph.split.i.1
for.body.lr.ph.split.i.1: ; preds = %for.body.lr.ph.i.1
br label %for.body.preheader.i.1
for.body.preheader.i.1: ; preds = %for.body.lr.ph.split.i.1
br label %for.body.i.us.1.preheader
for.body.i.us.1.preheader: ; preds = %for.body.preheader.i.1
br label %for.body.i.us.1
for.body.i.us.1: ; preds = %lor.end.i.us.1, %for.body.i.us.1.preheader
%.b.i.us.1 = phi i1 [ %spec.select44.i.us.1, %lor.end.i.us.1 ], [ undef, %for.body.i.us.1.preheader ]
br i1 %.b.i.us.1, label %lor.end.i.us.1, label %lor.rhs.i.us.1
lor.rhs.i.us.1: ; preds = %for.body.i.us.1
%conv5.i.us.1 = trunc i32 undef to i8
br label %lor.end.i.us.1
lor.end.i.us.1: ; preds = %lor.rhs.i.us.1, %for.body.i.us.1
%.b31.i.us.1 = or i1 undef, %.b.i.us.1
%spec.select44.i.us.1 = or i1 undef, %.b31.i.us.1
br i1 undef, label %for.end18.loopexit42.i.1.loopexit, label %for.body.i.us.1
for.end18.loopexit42.i.1.loopexit: ; preds = %lor.end.i.us.1
br label %for.end18.loopexit42.i.1
for.end18.loopexit42.i.1: ; preds = %for.end18.loopexit42.i.1.loopexit
br label %for.inc.split.1
for.inc.split.1: ; preds = %for.end18.loopexit42.i.1, %for.inc.split
%inc9 = add i16 %0, 1
%tobool = icmp eq i16 %inc9, 0
br i1 %tobool, label %for.cond.for.end10_crit_edge, label %for.cond1.preheader
}