1 ; RUN: llc < %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.w r1, [[REG:r[0-9]+]]
17 ; CHECK-NEXT: add.w #6, [[REG]]
18 ; CHECK-NEXT: mov.w [[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 ; CHECK: mov.w r15, 0(r1)
29 store i8* %vl, i8** %vl.addr, align 2
30 ; CHECK: mov.w r15, [[REG:r[0-9]+]]
31 ; CHECK-NEXT: add.w #2, [[REG]]
32 ; CHECK-NEXT: mov.w [[REG]], 0(r1)
33 %0 = va_arg i8** %vl.addr, i16
34 ; CHECK-NEXT: mov.w 0(r15), r15
38 define void @va_copy(i8* %vl) nounwind {
40 ; CHECK-LABEL: va_copy:
41 %vl.addr = alloca i8*, align 2
42 %vl2 = alloca i8*, align 2
43 ; CHECK: mov.w r15, 2(r1)
44 store i8* %vl, i8** %vl.addr, align 2
45 %0 = bitcast i8** %vl2 to i8*
46 %1 = bitcast i8** %vl.addr to i8*
47 ; CHECK-NEXT: mov.w r15, 0(r1)
48 call void @llvm.va_copy(i8* %0, i8* %1)