; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc -mtriple=aarch64 -global-isel -O0 %s -o - | FileCheck %s --check-prefixes=CHECK,O0
; RUN: llc -mtriple=aarch64 -global-isel %s -o - | FileCheck %s --check-prefixes=CHECK,O2

define void @test_asm() {
; O0-LABEL: test_asm:
; O0:       // %bb.0:
; O0-NEXT:    mov w8, #42 // =0x2a
; O0-NEXT:    // kill: def $x8 killed $w8
; O0-NEXT:    //APP
; O0-NEXT:    mov x0, x8
; O0-NEXT:    //NO_APP
; O0-NEXT:    ret
;
; O2-LABEL: test_asm:
; O2:       // %bb.0:
; O2-NEXT:    mov w8, #42 // =0x2a
; O2-NEXT:    //APP
; O2-NEXT:    mov x0, x8
; O2-NEXT:    //NO_APP
; O2-NEXT:    ret
  call void asm sideeffect "mov x0, $0", "r"(i64 42)
  ret void
}

; regression test for https://github.com/llvm/llvm-project/issues/79822
define i16 @test_16bit_reg(i16 %x) {
; O0-LABEL: test_16bit_reg:
; O0:       // %bb.0:
; O0-NEXT:    fmov s0, w0
; O0-NEXT:    // kill: def $h0 killed $h0 killed $s0
; O0-NEXT:    //APP
; O0-NEXT:    nop
; O0-NEXT:    //NO_APP
; O0-NEXT:    // kill: def $s0 killed $h0
; O0-NEXT:    fmov w0, s0
; O0-NEXT:    ret
;
; O2-LABEL: test_16bit_reg:
; O2:       // %bb.0:
; O2-NEXT:    fmov s0, w0
; O2-NEXT:    // kill: def $h0 killed $h0 killed $s0
; O2-NEXT:    //APP
; O2-NEXT:    nop
; O2-NEXT:    //NO_APP
; O2-NEXT:    // kill: def $h0 killed $h0 def $s0
; O2-NEXT:    fmov w0, s0
; O2-NEXT:    ret
  %ret = call i16 asm "nop", "=&{h0},0"(i16 %x)
  ret i16 %ret
}


define i32 @test_32bit_reg(i32 %x) {
; CHECK-LABEL: test_32bit_reg:
; CHECK:       // %bb.0:
; CHECK-NEXT:    fmov s0, w0
; CHECK-NEXT:    //APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    //NO_APP
; CHECK-NEXT:    fmov w0, s0
; CHECK-NEXT:    ret
  %ret = call i32 asm "nop", "=&{s0},0"(i32 %x)
  ret i32 %ret
}

define i64 @test_64bit_reg(i64 %x) {
; CHECK-LABEL: test_64bit_reg:
; CHECK:       // %bb.0:
; CHECK-NEXT:    fmov d0, x0
; CHECK-NEXT:    //APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    //NO_APP
; CHECK-NEXT:    fmov x0, d0
; CHECK-NEXT:    ret
  %ret = call i64 asm "nop", "=&{d0},0"(i64 %x)
  ret i64 %ret
}