1; RUN: llc -verify-machineinstrs < %s | FileCheck %s 2 3target datalayout = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16" 4target triple = "msp430---elf" 5 6declare void @llvm.va_start(ptr) nounwind 7declare void @llvm.va_end(ptr) nounwind 8declare void @llvm.va_copy(ptr, ptr) nounwind 9 10define void @va_start(i16 %a, ...) nounwind { 11entry: 12; CHECK-LABEL: va_start: 13; CHECK: sub #2, r1 14 %vl = alloca ptr, align 2 15 %vl1 = bitcast ptr %vl to ptr 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(ptr %vl1) 20 call void @llvm.va_end(ptr %vl1) 21 ret void 22} 23 24define i16 @va_arg(ptr %vl) nounwind { 25entry: 26; CHECK-LABEL: va_arg: 27 %vl.addr = alloca ptr, align 2 28 store ptr %vl, ptr %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 ptr %vl.addr, i16 33; CHECK-NEXT: mov 0(r12), r12 34 ret i16 %0 35} 36 37define void @va_copy(ptr %vl) nounwind { 38entry: 39; CHECK-LABEL: va_copy: 40 %vl.addr = alloca ptr, align 2 41 %vl2 = alloca ptr, align 2 42; CHECK-DAG: mov r12, 2(r1) 43 store ptr %vl, ptr %vl.addr, align 2 44 %0 = bitcast ptr %vl2 to ptr 45 %1 = bitcast ptr %vl.addr to ptr 46; CHECK-DAG: mov r12, 0(r1) 47 call void @llvm.va_copy(ptr %0, ptr %1) 48 ret void 49} 50