; RUN: opt %loadNPMPolly -passes=polly-codegen -S < %s | FileCheck %s
;
; This caused an lnt crash at some point, just verify it will run through and
; produce the PHI node in the exit we are looking for.
;
; CHECK-LABEL: polly.merge_new_and_old:
; CHECK-NEXT: %eps1.addr.0.ph.merge = phi double [ %eps1.addr.0.ph.final_reload, %polly.exiting ], [ %eps1.addr.0.ph, %if.end.47.region_exiting ]
; CHECK-NEXT: br label %if.end.47
;
; CHECK-LABEL: if.end.47:
; CHECK-NEXT: %eps1.addr.0 = phi double [ %eps1.addr.0.ph.merge, %polly.merge_new_and_old ]
;
define void @dbisect(ptr %c, ptr %b, double %eps1, ptr %eps2) {
entry:
br label %entry.split
entry.split: ; preds = %entry
store double 0.000000e+00, ptr %b, align 8
%0 = load double, ptr %c, align 8
br i1 false, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry.split
br label %for.body
for.body: ; preds = %for.inc, %for.body.lr.ph
br i1 false, label %if.then, label %if.end
if.then: ; preds = %for.body
br label %if.end
if.end: ; preds = %if.then, %for.body
br i1 false, label %if.then.36, label %for.inc
if.then.36: ; preds = %if.end
br label %for.inc
for.inc: ; preds = %if.then.36, %if.end
br i1 false, label %for.body, label %for.cond.for.end_crit_edge
for.cond.for.end_crit_edge: ; preds = %for.inc
br label %for.end
for.end: ; preds = %for.cond.for.end_crit_edge, %entry.split
store double undef, ptr %eps2, align 8
%cmp45 = fcmp ugt double %eps1, 0.000000e+00
br i1 %cmp45, label %if.end.47, label %if.then.46
if.then.46: ; preds = %for.end
br label %if.end.47
if.end.47: ; preds = %if.then.46, %for.end
%eps1.addr.0 = phi double [ undef, %if.then.46 ], [ %eps1, %for.end ]
br i1 undef, label %if.then.55, label %for.cond.58.preheader
for.cond.58.preheader: ; preds = %if.end.47
br i1 undef, label %for.end.68, label %for.body.61.lr.ph
for.body.61.lr.ph: ; preds = %for.cond.58.preheader
br label %for.body.61
if.then.55: ; preds = %if.end.47
unreachable
for.body.61: ; preds = %for.body.61, %for.body.61.lr.ph
br i1 undef, label %for.body.61, label %for.cond.58.for.end.68_crit_edge
for.cond.58.for.end.68_crit_edge: ; preds = %for.body.61
br label %for.end.68
for.end.68: ; preds = %for.cond.58.for.end.68_crit_edge, %for.cond.58.preheader
br i1 undef, label %for.end.137, label %for.cond.73.preheader.lr.ph
for.cond.73.preheader.lr.ph: ; preds = %for.end.68
br label %for.cond.73.preheader
for.cond.73.preheader: ; preds = %while.end, %for.cond.73.preheader.lr.ph
br i1 undef, label %for.end.87.loopexit, label %for.body.76.lr.ph
for.body.76.lr.ph: ; preds = %for.cond.73.preheader
br label %for.body.76
for.body.76: ; preds = %for.inc.85, %for.body.76.lr.ph
br i1 undef, label %if.then.81, label %for.inc.85
if.then.81: ; preds = %for.body.76
br label %for.end.87
for.inc.85: ; preds = %for.body.76
br i1 undef, label %for.body.76, label %for.cond.73.for.end.87.loopexit_crit_edge
for.cond.73.for.end.87.loopexit_crit_edge: ; preds = %for.inc.85
br label %for.end.87.loopexit
for.end.87.loopexit: ; preds = %for.cond.73.for.end.87.loopexit_crit_edge, %for.cond.73.preheader
br label %for.end.87
for.end.87: ; preds = %for.end.87.loopexit, %if.then.81
br i1 undef, label %if.then.92, label %if.end.95
if.then.92: ; preds = %for.end.87
br label %if.end.95
if.end.95: ; preds = %if.then.92, %for.end.87
br i1 undef, label %while.body.lr.ph, label %while.end
while.body.lr.ph: ; preds = %if.end.95
br label %while.body
while.body: ; preds = %if.end.128, %while.body.lr.ph
br i1 undef, label %if.then.109, label %if.end.128
if.then.109: ; preds = %while.body
br i1 undef, label %if.then.112, label %if.else
if.then.112: ; preds = %if.then.109
br label %if.end.128
if.else: ; preds = %if.then.109
br i1 undef, label %if.then.122, label %if.end.128
if.then.122: ; preds = %if.else
br label %if.end.128
if.end.128: ; preds = %if.then.122, %if.else, %if.then.112, %while.body
br i1 undef, label %while.body, label %while.cond.while.end_crit_edge
while.cond.while.end_crit_edge: ; preds = %if.end.128
br label %while.end
while.end: ; preds = %while.cond.while.end_crit_edge, %if.end.95
br i1 undef, label %for.cond.73.preheader, label %for.cond.69.for.end.137_crit_edge
for.cond.69.for.end.137_crit_edge: ; preds = %while.end
br label %for.end.137
for.end.137: ; preds = %for.cond.69.for.end.137_crit_edge, %for.end.68
ret void
}
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