1 ; RUN: llc -verify-machineinstrs < %s | FileCheck %s
3 target datalayout = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16"
4 target triple = "msp430---elf"
6 declare void @llvm.va_start(i8*) nounwind
7 declare void @llvm.va_end(i8*) nounwind
8 declare void @llvm.va_copy(i8*, i8*) nounwind
10 define void @va_start(i16 %a, ...) nounwind {
12 ; CHECK-LABEL: va_start:
14 %vl = alloca i8*, align 2
15 %vl1 = bitcast i8** %vl to i8*
16 ; CHECK-NEXT: mov r1, [[REG:r[0-9]+]]
17 ; CHECK-NEXT: add #6, [[REG]]
18 ; CHECK-NEXT: mov [[REG]], 0(r1)
19 call void @llvm.va_start(i8* %vl1)
20 call void @llvm.va_end(i8* %vl1)
24 define i16 @va_arg(i8* %vl) nounwind {
26 ; CHECK-LABEL: va_arg:
27 %vl.addr = alloca i8*, align 2
28 store i8* %vl, i8** %vl.addr, align 2
29 ; CHECK: mov r12, [[REG:r[0-9]+]]
30 ; CHECK-NEXT: incd [[REG]]
31 ; CHECK-NEXT: mov [[REG]], 0(r1)
32 %0 = va_arg i8** %vl.addr, i16
33 ; CHECK-NEXT: mov 0(r12), r12
37 define void @va_copy(i8* %vl) nounwind {
39 ; CHECK-LABEL: va_copy:
40 %vl.addr = alloca i8*, align 2
41 %vl2 = alloca i8*, align 2
42 ; CHECK-DAG: mov r12, 2(r1)
43 store i8* %vl, i8** %vl.addr, align 2
44 %0 = bitcast i8** %vl2 to i8*
45 %1 = bitcast i8** %vl.addr to i8*
46 ; CHECK-DAG: mov r12, 0(r1)
47 call void @llvm.va_copy(i8* %0, i8* %1)