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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=jump-threading < %s | FileCheck %s
; PR9446
; Just check that it doesn't crash
define void @int327() nounwind {
; CHECK-LABEL: @int327(
; CHECK-NEXT: entry:
; CHECK-NEXT: unreachable
; CHECK: for.cond:
; CHECK-NEXT: [[TOBOOL3:%.*]] = icmp eq i8 undef, 0
; CHECK-NEXT: br i1 [[TOBOOL3]], label [[FOR_COND23:%.*]], label [[FOR_COND4:%.*]]
; CHECK: for.cond4:
; CHECK-NEXT: br label [[FOR_COND:%.*]]
; CHECK: for.cond23:
; CHECK-NEXT: [[CONV321:%.*]] = phi i32 [ [[CONV32:%.*]], [[FOR_BODY28:%.*]] ], [ 0, [[FOR_COND]] ], [ [[CONV321]], [[FOR_COND23]] ]
; CHECK-NEXT: [[L_266_0:%.*]] = phi i32 [ [[PHITMP:%.*]], [[FOR_BODY28]] ], [ 0, [[FOR_COND]] ], [ 0, [[FOR_COND23]] ]
; CHECK-NEXT: [[CMP26:%.*]] = icmp eq i32 [[L_266_0]], 0
; CHECK-NEXT: br i1 [[CMP26]], label [[FOR_BODY28]], label [[FOR_COND23]]
; CHECK: for.body28:
; CHECK-NEXT: [[AND:%.*]] = and i32 [[CONV321]], 1
; CHECK-NEXT: [[CONV32]] = zext i8 undef to i32
; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[L_266_0]], 1
; CHECK-NEXT: [[PHITMP]] = and i32 [[ADD]], 255
; CHECK-NEXT: br label [[FOR_COND23]]
; CHECK: if.end43:
; CHECK-NEXT: ret void
;
entry:
unreachable
for.cond: ; preds = %for.cond4
%tobool3 = icmp eq i8 undef, 0
br i1 %tobool3, label %for.cond23, label %for.cond4
for.cond4: ; preds = %for.cond
br label %for.cond
for.cond23: ; preds = %for.body28, %for.cond23, %for.cond
%conv321 = phi i32 [ %conv32, %for.body28 ], [ 0, %for.cond ], [ %conv321, %for.cond23 ]
%l_266.0 = phi i32 [ %phitmp, %for.body28 ], [ 0, %for.cond ], [ 0, %for.cond23 ]
%cmp26 = icmp eq i32 %l_266.0, 0
br i1 %cmp26, label %for.body28, label %for.cond23
for.body28: ; preds = %for.cond23
%and = and i32 %conv321, 1
%conv32 = zext i8 undef to i32
%add = add nsw i32 %l_266.0, 1
%phitmp = and i32 %add, 255
br label %for.cond23
if.end43: ; No predecessors!
ret void
}
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