llvm/test/Other/lpm-require-analysis-optnone.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt < %s -passes="require<no-op-loop>" -S | FileCheck %s
; RUN: opt < %s -passes="loop(invalidate<all>)" -S | FileCheck %s

;; Test that if we have a loop out of LCSSA in an optnone function, we do not
;; assert when we require a loop analysis.

define i32 @foo() #0 {
; CHECK-LABEL: define i32 @foo(
; CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    br label %[[FOR_COND:.*]]
; CHECK:       [[FOR_COND]]:
; CHECK-NEXT:    [[TMP0:%.*]] = add i16 0, 0
; CHECK-NEXT:    br i1 false, label %[[FOR_COND]], label %[[HANDLER_POINTER_OVERFLOW:.*]]
; CHECK:       [[HANDLER_POINTER_OVERFLOW]]:
; CHECK-NEXT:    [[TMP1:%.*]] = zext i16 [[TMP0]] to i32
; CHECK-NEXT:    ret i32 [[TMP1]]
;
entry:
  br label %for.cond
for.cond:
  %0 = add i16 0, 0
  br i1 false, label %for.cond, label %handler.pointer_overflow
handler.pointer_overflow:
  %1 = zext i16 %0 to i32
  ret i32 %1
}

attributes #0 = { noinline optnone }