1*67e74705SXin Li // RUN: %clang_cc1 -triple aarch64_be-linux-gnu -ffreestanding -emit-llvm -O0 -o - %s | FileCheck %s
2*67e74705SXin Li
3*67e74705SXin Li #include <stdarg.h>
4*67e74705SXin Li
5*67e74705SXin Li // A single member HFA must be aligned just like a non-HFA register argument.
callee(int a,...)6*67e74705SXin Li double callee(int a, ...) {
7*67e74705SXin Li // CHECK: [[REGPP:%.*]] = getelementptr inbounds %struct.__va_list, %struct.__va_list* [[VA:%.*]], i32 0, i32 2
8*67e74705SXin Li // CHECK: [[REGP:%.*]] = load i8*, i8** [[REGPP]], align 8
9*67e74705SXin Li // CHECK: [[OFFSET0:%.*]] = getelementptr inbounds i8, i8* [[REGP]], i32 {{.*}}
10*67e74705SXin Li // CHECK: [[OFFSET1:%.*]] = getelementptr inbounds i8, i8* [[OFFSET0]], i64 8
11*67e74705SXin Li
12*67e74705SXin Li // CHECK: [[MEMPP:%.*]] = getelementptr inbounds %struct.__va_list, %struct.__va_list* [[VA:%.*]], i32 0, i32 0
13*67e74705SXin Li // CHECK: [[MEMP:%.*]] = load i8*, i8** [[MEMPP]], align 8
14*67e74705SXin Li // CHECK: [[NEXTP:%.*]] = getelementptr inbounds i8, i8* [[MEMP]], i64 8
15*67e74705SXin Li // CHECK: store i8* [[NEXTP]], i8** [[MEMPP]], align 8
16*67e74705SXin Li va_list vl;
17*67e74705SXin Li va_start(vl, a);
18*67e74705SXin Li double result = va_arg(vl, struct { double a; }).a;
19*67e74705SXin Li va_end(vl);
20*67e74705SXin Li return result;
21*67e74705SXin Li }
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