llvm/test/CodeGen/AArch64/nomerge.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=aarch64 -o - | FileCheck %s

define void @foo(i32 %i) nounwind {
; CHECK-LABEL: foo:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT:    cmp w0, #7
; CHECK-NEXT:    b.eq .LBB0_3
; CHECK-NEXT:  // %bb.1: // %entry
; CHECK-NEXT:    cmp w0, #5
; CHECK-NEXT:    b.ne .LBB0_4
; CHECK-NEXT:  // %bb.2: // %if.then
; CHECK-NEXT:    bl bar
; CHECK-NEXT:    ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT:    b bar
; CHECK-NEXT:  .LBB0_3: // %if.then2
; CHECK-NEXT:    bl bar
; CHECK-NEXT:  .LBB0_4: // %if.end3
; CHECK-NEXT:    ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT:    b bar
entry:
  switch i32 %i, label %if.end3 [
    i32 5, label %if.then
    i32 7, label %if.then2
  ]

if.then:
  tail call void @bar() #0
  br label %if.end3

if.then2:
  tail call void @bar() #0
  br label %if.end3

if.end3:
  tail call void @bar() #0
  ret void
}

define void @foo_tail(i1 %i) nounwind {
; CHECK-LABEL: foo_tail:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    tbz w0, #0, .LBB1_2
; CHECK-NEXT:  // %bb.1: // %if.then
; CHECK-NEXT:    b bar
; CHECK-NEXT:  .LBB1_2: // %if.else
; CHECK-NEXT:    b bar
entry:
  br i1 %i, label %if.then, label %if.else

if.then:
  tail call void @bar() #0
  br label %if.end

if.else:
  tail call void @bar() #0
  br label %if.end

if.end:
  ret void
}

declare void @bar()

attributes #0 = { nomerge }