mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-23 04:52:54 +02:00
51 lines
1.3 KiB
LLVM
51 lines
1.3 KiB
LLVM
; 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
|
|
}
|