1; RUN: llc < %s -mtriple=x86_64-pc-win32 | FileCheck %s 2 3; Verify that the var arg parameters which are passed in registers are stored 4; in home stack slots allocated by the caller and that AP is correctly 5; calculated. 6define void @average_va(i32 %count, ...) nounwind { 7entry: 8; CHECK: pushq 9; CHECK: movq %r9, 40(%rsp) 10; CHECK: movq %r8, 32(%rsp) 11; CHECK: movq %rdx, 24(%rsp) 12; CHECK: leaq 24(%rsp), %rax 13 14 %ap = alloca i8*, align 8 ; <i8**> [#uses=1] 15 %ap1 = bitcast i8** %ap to i8* ; <i8*> [#uses=1] 16 call void @llvm.va_start(i8* %ap1) 17 ret void 18} 19 20declare void @llvm.va_start(i8*) nounwind 21 22; CHECK: f5: 23; CHECK: pushq 24; CHECK: leaq 56(%rsp), 25define i8* @f5(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, ...) nounwind { 26entry: 27 %ap = alloca i8*, align 8 28 %ap1 = bitcast i8** %ap to i8* 29 call void @llvm.va_start(i8* %ap1) 30 ret i8* %ap1 31} 32 33; CHECK: f4: 34; CHECK: pushq 35; CHECK: leaq 48(%rsp), 36define i8* @f4(i64 %a0, i64 %a1, i64 %a2, i64 %a3, ...) nounwind { 37entry: 38 %ap = alloca i8*, align 8 39 %ap1 = bitcast i8** %ap to i8* 40 call void @llvm.va_start(i8* %ap1) 41 ret i8* %ap1 42} 43 44; CHECK: f3: 45; CHECK: pushq 46; CHECK: leaq 40(%rsp), 47define i8* @f3(i64 %a0, i64 %a1, i64 %a2, ...) nounwind { 48entry: 49 %ap = alloca i8*, align 8 50 %ap1 = bitcast i8** %ap to i8* 51 call void @llvm.va_start(i8* %ap1) 52 ret i8* %ap1 53} 54