llvm/test/CodeGen/X86/i128-abi.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --no_x86_scrub_sp --version 2
; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s

define i128 @in_reg(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i128 %a4) {
; CHECK-LABEL: in_reg:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %r9, %rdx
; CHECK-NEXT:    movq %r8, %rax
; CHECK-NEXT:    retq
  ret i128 %a4
}

define i128 @on_stack(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, i128 %a5) {
; CHECK-LABEL: on_stack:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq 8(%rsp), %rax
; CHECK-NEXT:    movq 16(%rsp), %rdx
; CHECK-NEXT:    retq
  ret i128 %a5
}

define i128 @on_stack2(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, i128 %a5, i128 %a6) {
; CHECK-LABEL: on_stack2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq 24(%rsp), %rax
; CHECK-NEXT:    movq 32(%rsp), %rdx
; CHECK-NEXT:    retq
  ret i128 %a6
}

define i64 @trailing_arg_on_stack(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, i128 %a5, i64 %a6) {
; CHECK-LABEL: trailing_arg_on_stack:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %r9, %rax
; CHECK-NEXT:    retq
  ret i64 %a6
}

define void @call_in_reg(i128 %x) nounwind {
; CHECK-LABEL: call_in_reg:
; CHECK:       # %bb.0:
; CHECK-NEXT:    pushq %rax
; CHECK-NEXT:    movq %rsi, %r9
; CHECK-NEXT:    movq %rdi, %r8
; CHECK-NEXT:    movl $1, %esi
; CHECK-NEXT:    movl $2, %edx
; CHECK-NEXT:    movl $3, %ecx
; CHECK-NEXT:    xorl %edi, %edi
; CHECK-NEXT:    callq in_reg@PLT
; CHECK-NEXT:    popq %rax
; CHECK-NEXT:    retq
  call i128 @in_reg(i64 0, i64 1, i64 2, i64 3, i128 %x)
  ret void
}

define void @call_on_stack(i128 %x) nounwind {
; CHECK-LABEL: call_on_stack:
; CHECK:       # %bb.0:
; CHECK-NEXT:    pushq %rax
; CHECK-NEXT:    movq %rsi, %rax
; CHECK-NEXT:    movq %rdi, %r9
; CHECK-NEXT:    movl $1, %esi
; CHECK-NEXT:    movl $2, %edx
; CHECK-NEXT:    movl $3, %ecx
; CHECK-NEXT:    movl $4, %r8d
; CHECK-NEXT:    xorl %edi, %edi
; CHECK-NEXT:    pushq %rax
; CHECK-NEXT:    pushq %r9
; CHECK-NEXT:    callq on_stack@PLT
; CHECK-NEXT:    addq $16, %rsp
; CHECK-NEXT:    popq %rax
; CHECK-NEXT:    retq
  call i128 @on_stack(i64 0, i64 1, i64 2, i64 3, i64 4, i128 %x)
  ret void
}

define void @call_trailing_arg_on_stack(i128 %x, i64 %y) nounwind {
; CHECK-LABEL: call_trailing_arg_on_stack:
; CHECK:       # %bb.0:
; CHECK-NEXT:    pushq %rax
; CHECK-NEXT:    movq %rdx, %r9
; CHECK-NEXT:    movq %rsi, %rax
; CHECK-NEXT:    movq %rdi, %r10
; CHECK-NEXT:    movl $1, %esi
; CHECK-NEXT:    movl $2, %edx
; CHECK-NEXT:    movl $3, %ecx
; CHECK-NEXT:    movl $4, %r8d
; CHECK-NEXT:    xorl %edi, %edi
; CHECK-NEXT:    pushq %rax
; CHECK-NEXT:    pushq %r10
; CHECK-NEXT:    callq trailing_arg_on_stack@PLT
; CHECK-NEXT:    addq $16, %rsp
; CHECK-NEXT:    popq %rax
; CHECK-NEXT:    retq
  call i128 @trailing_arg_on_stack(i64 0, i64 1, i64 2, i64 3, i64 4, i128 %x, i64 %y)
  ret void
}