llvm/test/CodeGen/X86/stdarg.ll

22 lines
732 B
LLVM

; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
; CHECK: testb %al, %al
%struct.__va_list_tag = type { i32, i32, i8*, i8* }
define void @foo(i32 %x, ...) nounwind {
entry:
%ap = alloca [1 x %struct.__va_list_tag], align 8; <[1 x %struct.__va_list_tag]*> [#uses=2]
%ap12 = bitcast [1 x %struct.__va_list_tag]* %ap to i8*; <i8*> [#uses=2]
call void @llvm.va_start(i8* %ap12)
%ap3 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0; <%struct.__va_list_tag*> [#uses=1]
call void @bar(%struct.__va_list_tag* %ap3) nounwind
call void @llvm.va_end(i8* %ap12)
ret void
}
declare void @llvm.va_start(i8*) nounwind
declare void @bar(%struct.__va_list_tag*)
declare void @llvm.va_end(i8*) nounwind