File: pr117133.ll

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llvm-toolchain-20 1%3A20.1.6-1~exp1
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes=indvars < %s | FileCheck %s

define i32 @widget() {
; CHECK-LABEL: define i32 @widget() {
; CHECK-NEXT:  [[B:.*:]]
; CHECK-NEXT:    br label %[[B1:.*]]
; CHECK:       [[B1]]:
; CHECK-NEXT:    br i1 true, label %[[B3:.*]], label %[[B8:.*]]
; CHECK:       [[B3]]:
; CHECK-NEXT:    br i1 true, label %[[B7:.*]], label %[[B5:.*]]
; CHECK:       [[B5]]:
; CHECK-NEXT:    br label %[[B1]]
; CHECK:       [[B7]]:
; CHECK-NEXT:    ret i32 5
; CHECK:       [[B8]]:
; CHECK-NEXT:    ret i32 7
;
b:
  br label %b1

b1:
  %phi = phi i32 [ 0, %b ], [ %udiv6, %b5 ]
  %phi2 = phi i32 [ 1, %b ], [ %add, %b5 ]
  %icmp = icmp eq i32 %phi, 0
  br i1 %icmp, label %b3, label %b8

b3:
  %udiv = udiv i32 10, %phi2
  %urem = urem i32 %udiv, 10
  %icmp4 = icmp eq i32 %urem, 0
  br i1 %icmp4, label %b7, label %b5

b5:
  %udiv6 = udiv i32 %phi2, 0
  %add = add i32 %phi2, 1
  br label %b1

b7:
  ret i32 5

b8:
  ret i32 7
}