tut-simplify-cfg6-dead-self-loop.ll
677 Bytes
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v1 -S < %s | FileCheck %s
; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v2 -S < %s | FileCheck %s
; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v3 -S < %s | FileCheck %s
define i32 @simp1() {
; CHECK-LABEL: @simp1(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i32 1
; CHECK: bb.1:
; CHECK-NEXT: br label [[BB_1:%.*]]
; CHECK: bb.2:
; CHECK-NEXT: [[P:%.*]] = phi i32 [ 0, [[BB_2:%.*]] ]
; CHECK-NEXT: br label [[BB_2]]
;
entry:
ret i32 1
bb.1:
br label %bb.1
bb.2:
%p = phi i32 [ 0, %bb.2]
br label %bb.2
}