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; RUN: llc < %s -mtriple=aarch64-linux-gnu | FileCheck %s
define win64cc void @pass_va(i32 %count, ...) nounwind {
entry:
; CHECK: str x30, [sp, #-80]!
; CHECK: add x8, sp, #24
; CHECK: add x0, sp, #24
; CHECK: stp x6, x7, [sp, #64]
; CHECK: stp x4, x5, [sp, #48]
; CHECK: stp x2, x3, [sp, #32]
; CHECK: str x1, [sp, #24]
; CHECK: str x8, [sp, #8]
; CHECK: bl other_func
; CHECK: ldr x30, [sp], #80
; CHECK: ret
%ap = alloca i8*, align 8
%ap1 = bitcast i8** %ap to i8*
call void @llvm.va_start(i8* %ap1)
%ap2 = load i8*, i8** %ap, align 8
call void @other_func(i8* %ap2)
ret void
}
declare void @other_func(i8*) local_unnamed_addr
declare void @llvm.va_start(i8*) nounwind
declare void @llvm.va_copy(i8*, i8*) nounwind
; CHECK-LABEL: f9:
; CHECK: sub sp, sp, #16
; CHECK: add x8, sp, #24
; CHECK: add x0, sp, #24
; CHECK: str x8, [sp, #8]
; CHECK: add sp, sp, #16
; CHECK: ret
define win64cc i8* @f9(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, i64 %a5, i64 %a6, i64 %a7, i64 %a8, ...) nounwind {
entry:
%ap = alloca i8*, align 8
%ap1 = bitcast i8** %ap to i8*
call void @llvm.va_start(i8* %ap1)
%ap2 = load i8*, i8** %ap, align 8
ret i8* %ap2
}
; CHECK-LABEL: f8:
; CHECK: sub sp, sp, #16
; CHECK: add x8, sp, #16
; CHECK: add x0, sp, #16
; CHECK: str x8, [sp, #8]
; CHECK: add sp, sp, #16
; CHECK: ret
define win64cc i8* @f8(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, i64 %a5, i64 %a6, i64 %a7, ...) nounwind {
entry:
%ap = alloca i8*, align 8
%ap1 = bitcast i8** %ap to i8*
call void @llvm.va_start(i8* %ap1)
%ap2 = load i8*, i8** %ap, align 8
ret i8* %ap2
}
; CHECK-LABEL: f7:
; CHECK: sub sp, sp, #32
; CHECK: add x8, sp, #24
; CHECK: str x7, [sp, #24]
; CHECK: add x0, sp, #24
; CHECK: str x8, [sp, #8]
; CHECK: add sp, sp, #32
; CHECK: ret
define win64cc i8* @f7(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, i64 %a5, i64 %a6, ...) nounwind {
entry:
%ap = alloca i8*, align 8
%ap1 = bitcast i8** %ap to i8*
call void @llvm.va_start(i8* %ap1)
%ap2 = load i8*, i8** %ap, align 8
ret i8* %ap2
}
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