llvm-6502/test/CodeGen/X86/win64_vararg.ll

21 lines
647 B
LLVM

; RUN: llc < %s -mtriple=x86_64-pc-win32 | FileCheck %s
; Verify that the var arg parameters which are passed in registers are stored
; in home stack slots allocated by the caller and that AP is correctly
; calculated.
define void @average_va(i32 %count, ...) nounwind {
entry:
; CHECK: pushq
; CHECK: movq %r9, 40(%rsp)
; CHECK: movq %r8, 32(%rsp)
; CHECK: movq %rdx, 24(%rsp)
; CHECK: leaq 24(%rsp), %rax
%ap = alloca i8*, align 8 ; <i8**> [#uses=1]
%ap1 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
call void @llvm.va_start(i8* %ap1)
ret void
}
declare void @llvm.va_start(i8*) nounwind