llvm/test/Transforms/IRNormalizer/regression-coro-elide-musttail.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes=normalize < %s | FileCheck %s

define fastcc void @foo.resume_musttail(ptr %FramePtr) {
; CHECK-LABEL: define fastcc void @foo.resume_musttail(
; CHECK-SAME: ptr [[A0:%.*]]) {
; CHECK-NEXT:  [[BB15160:.*:]]
; CHECK-NEXT:    [[TMP0:%.*]] = tail call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)
; CHECK-NEXT:    musttail call fastcc void undef(ptr null)
; CHECK-NEXT:    ret void
;
entry:
  %0 = tail call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)
  musttail call fastcc void undef(ptr null)
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: read)
declare token @llvm.coro.id(i32, ptr readnone, ptr nocapture readonly, ptr) #0

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: read) }