; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -nary-reassociate -S | FileCheck %s

; The test check that compilation does not fall into infinite loop.

define i8 @foo(i8 %v) local_unnamed_addr #0 {
; CHECK-LABEL: @foo(
; CHECK-NEXT:  region.0:
; CHECK-NEXT:    [[TMP0:%.*]] = mul nsw i8 16, [[V:%.*]]
; CHECK-NEXT:    [[TMP1:%.*]] = mul nsw i8 0, [[TMP0]]
; CHECK-NEXT:    [[TMP2:%.*]] = mul nsw i8 1, [[TMP1]]
; CHECK-NEXT:    ret i8 [[TMP2]]
;
region.0:
  %0 = mul nsw i8 16, %v
  %1 = mul nsw i8 0, %0
  %2 = mul nsw i8 1, %1
  ret i8 %2
}