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; RUN: llc < %s | FileCheck %s
target datalayout = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16"
target triple = "msp430---elf"
declare void @llvm.va_start(i8*) nounwind
declare void @llvm.va_end(i8*) nounwind
declare void @llvm.va_copy(i8*, i8*) nounwind
define void @va_start(i16 %a, ...) nounwind {
entry:
; CHECK: va_start:
; CHECK: sub.w #2, r1
%vl = alloca i8*, align 2
%vl1 = bitcast i8** %vl to i8*
; CHECK-NEXT: mov.w r1, [[REG:r[0-9]+]]
; CHECK-NEXT: add.w #6, [[REG]]
; CHECK-NEXT: mov.w [[REG]], 0(r1)
call void @llvm.va_start(i8* %vl1)
call void @llvm.va_end(i8* %vl1)
ret void
}
define i16 @va_arg(i8* %vl) nounwind {
entry:
; CHECK: va_arg:
%vl.addr = alloca i8*, align 2
; CHECK: mov.w r15, 0(r1)
store i8* %vl, i8** %vl.addr, align 2
; CHECK: mov.w r15, [[REG:r[0-9]+]]
; CHECK-NEXT: add.w #2, [[REG]]
; CHECK-NEXT: mov.w [[REG]], 0(r1)
%0 = va_arg i8** %vl.addr, i16
; CHECK-NEXT: mov.w 0(r15), r15
ret i16 %0
}
define void @va_copy(i8* %vl) nounwind {
entry:
; CHECK: va_copy:
%vl.addr = alloca i8*, align 2
%vl2 = alloca i8*, align 2
; CHECK: mov.w r15, 2(r1)
store i8* %vl, i8** %vl.addr, align 2
%0 = bitcast i8** %vl2 to i8*
%1 = bitcast i8** %vl.addr to i8*
; CHECK-NEXT: mov.w r15, 0(r1)
call void @llvm.va_copy(i8* %0, i8* %1)
ret void
}
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