reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21

// RUN:  %clang_cc1 -triple aarch64_be-linux-gnu -ffreestanding -emit-llvm -O0 -o - %s | FileCheck %s

#include <stdarg.h>

// A single member HFA must be aligned just like a non-HFA register argument.
double callee(int a, ...) {
// CHECK: [[REGPP:%.*]] = getelementptr inbounds %struct.__va_list, %struct.__va_list* [[VA:%.*]], i32 0, i32 2
// CHECK: [[REGP:%.*]] = load i8*, i8** [[REGPP]], align 8
// CHECK: [[OFFSET0:%.*]] = getelementptr inbounds i8, i8* [[REGP]], i32 {{.*}}
// CHECK: [[OFFSET1:%.*]] = getelementptr inbounds i8, i8* [[OFFSET0]], i64 8

// CHECK: [[MEMPP:%.*]] = getelementptr inbounds %struct.__va_list, %struct.__va_list* [[VA:%.*]], i32 0, i32 0
// CHECK: [[MEMP:%.*]] = load i8*, i8** [[MEMPP]], align 8
// CHECK: [[NEXTP:%.*]] = getelementptr inbounds i8, i8* [[MEMP]], i64 8
// CHECK: store i8* [[NEXTP]], i8** [[MEMPP]], align 8
  va_list vl;
  va_start(vl, a);
  double result = va_arg(vl, struct { double a; }).a;
  va_end(vl);
  return result;
}