1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -stack-symbol-ordering=0 | FileCheck %s -check-prefix=X64 2 ; RUN: llc < %s -mtriple=i686-apple-darwin -stack-symbol-ordering=0 | FileCheck %s -check-prefix=X32 3 4 %struct.Baz = type { [17 x i8] } 5 %struct.__va_list_tag = type { i32, i32, i8*, i8* } 6 7 ; Function Attrs: nounwind uwtable 8 define void @bar(%struct.Baz* byval nocapture readnone align 8 %x, ...) { 9 entry: 10 %va = alloca [1 x %struct.__va_list_tag], align 16 11 %arraydecay = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %va, i64 0, i64 0 12 %arraydecay1 = bitcast [1 x %struct.__va_list_tag]* %va to i8* 13 call void @llvm.va_start(i8* %arraydecay1) 14 %overflow_arg_area_p = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %va, i64 0, i64 0, i32 2 15 %overflow_arg_area = load i8*, i8** %overflow_arg_area_p, align 8 16 %overflow_arg_area.next = getelementptr i8, i8* %overflow_arg_area, i64 24 17 store i8* %overflow_arg_area.next, i8** %overflow_arg_area_p, align 8 18 ; X32: leal 68(%esp), [[REG:%.*]] 19 ; X32: movl [[REG]], 16(%esp) 20 ; X64: leaq 232(%rsp), [[REG:%.*]] 21 ; X64: movq [[REG]], 184(%rsp) 22 ; X64: leaq 176(%rsp), %rdi 23 call void @qux(%struct.__va_list_tag* %arraydecay) 24 ret void 25 } 26 27 ; Function Attrs: nounwind 28 declare void @llvm.va_start(i8*) 29 30 declare void @qux(%struct.__va_list_tag*) 31
