Compiler projects using llvm
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -mem2reg -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s

define i32 @test_inline_constraint_S_label_tailmerged(i1 %in) {
; CHECK-LABEL: @test_inline_constraint_S_label_tailmerged(
; CHECK-NEXT:    call void asm sideeffect "adr x0, $0", "S"(i8* blockaddress(@test_inline_constraint_S_label_tailmerged, [[COMMON_RET:%.*]]))
; CHECK-NEXT:    [[COMMON_RETVAL:%.*]] = select i1 [[IN:%.*]], i32 0, i32 42
; CHECK-NEXT:    br label [[COMMON_RET]]
; CHECK:       common.ret:
; CHECK-NEXT:    ret i32 [[COMMON_RETVAL]]
;
  call void asm sideeffect "adr x0, $0", "S"(i8* blockaddress(@test_inline_constraint_S_label_tailmerged, %loc))
  br i1 %in, label %loc, label %loc2
loc:
  br label %common.ret
loc2:
  br label %common.ret
common.ret:
  %common.retval = phi i32 [ 0, %loc ], [ 42, %loc2 ]
  ret i32 %common.retval
}

define i32 @test_inline_constraint_S_label_tailmerged2(i1 %in) {
; CHECK-LABEL: @test_inline_constraint_S_label_tailmerged2(
; CHECK-NEXT:  common.ret:
; CHECK-NEXT:    call void asm sideeffect "adr x0, $0", "S"(i8* blockaddress(@test_inline_constraint_S_label_tailmerged, [[COMMON_RET:%.*]]))
; CHECK-NEXT:    [[DOT:%.*]] = select i1 [[IN:%.*]], i32 0, i32 42
; CHECK-NEXT:    ret i32 [[DOT]]
;
  call void asm sideeffect "adr x0, $0", "S"(i8* blockaddress(@test_inline_constraint_S_label_tailmerged, %loc))
  br i1 %in, label %loc, label %loc2
common.ret:
  %common.retval = phi i32 [ 0, %loc ], [ 42, %loc2 ]
  ret i32 %common.retval
loc:
  br label %common.ret
loc2:
  br label %common.ret
}