llvm/test/CodeGen/AArch64/GlobalISel/aapcs_vararg_frame.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; RUN: llc < %s --global-isel=0 -mtriple=aarch64-linux-gnu -mattr=+fp-armv8 | FileCheck %s
; RUN: llc < %s --global-isel=1 -mtriple=aarch64-linux-gnu -mattr=+fp-armv8 | FileCheck %s --check-prefix=GISEL

%struct.__va_list = type { ptr, ptr, ptr, i32, i32 }

define void @va(i32 %count, half %f, ...) nounwind {
; CHECK-LABEL: va:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ret
;
; GISEL-LABEL: va:
; GISEL:       // %bb.0: // %entry
; GISEL-NEXT:    sub sp, sp, #176
; GISEL-NEXT:    stp x1, x2, [sp, #120]
; GISEL-NEXT:    stp x3, x4, [sp, #136]
; GISEL-NEXT:    stp x5, x6, [sp, #152]
; GISEL-NEXT:    str x7, [sp, #168]
; GISEL-NEXT:    stp q1, q2, [sp]
; GISEL-NEXT:    stp q3, q4, [sp, #32]
; GISEL-NEXT:    stp q5, q6, [sp, #64]
; GISEL-NEXT:    str q7, [sp, #96]
; GISEL-NEXT:    add sp, sp, #176
; GISEL-NEXT:    ret
entry:
  ret void
}

define void @va_used(i32 %count, half %f, ...) nounwind {
; CHECK-LABEL: va_used:
; CHECK:       // %bb.0:
; CHECK-NEXT:    sub sp, sp, #208
; CHECK-NEXT:    mov x8, #-56 // =0xffffffffffffffc8
; CHECK-NEXT:    mov x9, sp
; CHECK-NEXT:    add x10, sp, #120
; CHECK-NEXT:    movk x8, #65424, lsl #32
; CHECK-NEXT:    add x9, x9, #112
; CHECK-NEXT:    stp x2, x3, [sp, #128]
; CHECK-NEXT:    stp x9, x8, [sp, #192]
; CHECK-NEXT:    add x8, x10, #56
; CHECK-NEXT:    add x9, sp, #208
; CHECK-NEXT:    str x1, [sp, #120]
; CHECK-NEXT:    stp x4, x5, [sp, #144]
; CHECK-NEXT:    stp x6, x7, [sp, #160]
; CHECK-NEXT:    stp q1, q2, [sp]
; CHECK-NEXT:    stp q3, q4, [sp, #32]
; CHECK-NEXT:    stp q5, q6, [sp, #64]
; CHECK-NEXT:    str q7, [sp, #96]
; CHECK-NEXT:    stp x9, x8, [sp, #176]
; CHECK-NEXT:    add sp, sp, #208
; CHECK-NEXT:    ret
;
; GISEL-LABEL: va_used:
; GISEL:       // %bb.0:
; GISEL-NEXT:    sub sp, sp, #208
; GISEL-NEXT:    mov x8, sp
; GISEL-NEXT:    add x9, sp, #208
; GISEL-NEXT:    add x10, sp, #208
; GISEL-NEXT:    stp x9, x10, [x8]
; GISEL-NEXT:    add x9, sp, #144
; GISEL-NEXT:    mov w10, #-112 // =0xffffff90
; GISEL-NEXT:    str x9, [x8, #16]
; GISEL-NEXT:    mov w9, #-56 // =0xffffffc8
; GISEL-NEXT:    stp x1, x2, [sp, #152]
; GISEL-NEXT:    stp x3, x4, [sp, #168]
; GISEL-NEXT:    stp x5, x6, [sp, #184]
; GISEL-NEXT:    str x7, [sp, #200]
; GISEL-NEXT:    stp q1, q2, [sp, #32]
; GISEL-NEXT:    stp q3, q4, [sp, #64]
; GISEL-NEXT:    stp q5, q6, [sp, #96]
; GISEL-NEXT:    str q7, [sp, #128]
; GISEL-NEXT:    stp w9, w10, [x8, #24]
; GISEL-NEXT:    add sp, sp, #208
; GISEL-NEXT:    ret
  %valist = alloca %struct.__va_list
  call void @llvm.va_start(ptr %valist)
  call void @llvm.va_end(ptr %valist)
  ret void
}