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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
}
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