// RUN: %clang_cc1 -triple xcore-unknown-unknown -fno-signed-char -fno-common -emit-llvm -o - %s | FileCheck %s

// CHECK: target datalayout = "e-p:32:32:32-a0:0:32-n32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f16:16:32-f32:32:32-f64:32:32"
// CHECK: target triple = "xcore-unknown-unknown"

// CHECK: @g1 = global i32 0, align 4
int g1;

#include <stdarg.h>
struct x { int a[5]; };
void f(void*);
void testva (int n, ...) {
  // CHECK-LABEL: testva
  va_list ap;
  va_start(ap,n);
  // CHECK: [[AP:%[a-z0-9]+]] = alloca i8*, align 4
  // CHECK: [[AP1:%[a-z0-9]+]] = bitcast i8** [[AP]] to i8*
  // CHECK: call void @llvm.va_start(i8* [[AP1]])

  char* v1 = va_arg (ap, char*);
  f(v1);
  // CHECK: [[I:%[a-z0-9]+]] = load i8** [[AP]]
  // CHECK: [[IN:%[a-z0-9]+]] = getelementptr i8* [[I]], i32 4
  // CHECK: store i8* [[IN]], i8** [[AP]]
  // CHECK: [[P:%[a-z0-9]+]] = bitcast i8* [[I]] to i8**
  // CHECK: [[V1:%[a-z0-9]+]] = load i8** [[P]]
  // CHECK: store i8* [[V1]], i8** [[V:%[a-z0-9]+]], align 4
  // CHECK: [[V2:%[a-z0-9]+]] = load i8** [[V]], align 4
  // CHECK: call void @f(i8* [[V2]])

  char v2 = va_arg (ap, char);
  f(&v2);
  // CHECK: [[I:%[a-z0-9]+]] = load i8** [[AP]]
  // CHECK: [[IN:%[a-z0-9]+]] = getelementptr i8* [[I]], i32 4
  // CHECK: store i8* [[IN]], i8** [[AP]]
  // CHECK: [[V1:%[a-z0-9]+]] = load i8* [[I]]
  // CHECK: store i8 [[V1]], i8* [[V:%[a-z0-9]+]], align 1
  // CHECK: call void @f(i8* [[V]])

  int v3 = va_arg (ap, int);
  f(&v3);
  // CHECK: [[I:%[a-z0-9]+]] = load i8** [[AP]]
  // CHECK: [[IN:%[a-z0-9]+]] = getelementptr i8* [[I]], i32 4
  // CHECK: store i8* [[IN]], i8** [[AP]]
  // CHECK: [[P:%[a-z0-9]+]] = bitcast i8* [[I]] to i32*
  // CHECK: [[V1:%[a-z0-9]+]] = load i32* [[P]]
  // CHECK: store i32 [[V1]], i32* [[V:%[a-z0-9]+]], align 4
  // CHECK: [[V2:%[a-z0-9]+]] = bitcast i32* [[V]] to i8*
  // CHECK: call void @f(i8* [[V2]])

  long long int v4 = va_arg (ap, long long int);
  f(&v4);
  // CHECK: [[I:%[a-z0-9]+]] = load i8** [[AP]]
  // CHECK: [[IN:%[a-z0-9]+]] = getelementptr i8* [[I]], i32 4
  // CHECK: store i8* [[IN]], i8** [[AP]]
  // CHECK: [[P:%[a-z0-9]+]] = bitcast i8* [[I]] to i64*
  // CHECK: [[V1:%[a-z0-9]+]] = load i64* [[P]]
  // CHECK: store i64 [[V1]], i64* [[V:%[a-z0-9]+]], align 8
  // CHECK:[[V2:%[a-z0-9]+]] = bitcast i64* [[V]] to i8*
  // CHECK: call void @f(i8* [[V2]])

  struct x v5 = va_arg (ap, struct x);  // typical agregate type
  f(&v5);
  // CHECK: [[I:%[a-z0-9]+]] = load i8** [[AP]]
  // CHECK: [[IN:%[a-z0-9]+]] = getelementptr i8* [[I]], i32 4
  // CHECK: store i8* [[IN]], i8** [[AP]]
  // CHECK: [[I2:%[a-z0-9]+]] = bitcast i8* [[I]] to %struct.x**
  // CHECK: [[P:%[a-z0-9]+]] = load %struct.x** [[I2]]
  // CHECK: [[V1:%[a-z0-9]+]] = bitcast %struct.x* [[V:%[a-z0-9]+]] to i8*
  // CHECK: [[P1:%[a-z0-9]+]] = bitcast %struct.x* [[P]] to i8*
  // CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[V1]], i8* [[P1]], i32 20, i32 4, i1 false)
  // CHECK: [[V2:%[a-z0-9]+]] = bitcast %struct.x* [[V]] to i8*
  // CHECK: call void @f(i8* [[V2]])

  int* v6 = va_arg (ap, int[4]);  // an unusual agregate type
  f(v6);
  // CHECK: [[I:%[a-z0-9]+]] = load i8** [[AP]]
  // CHECK: [[IN:%[a-z0-9]+]] = getelementptr i8* [[I]], i32 4
  // CHECK: store i8* [[IN]], i8** [[AP]]
  // CHECK: [[I2:%[a-z0-9]+]] = bitcast i8* [[I]] to [4 x i32]**
  // CHECK: [[P:%[a-z0-9]+]] = load [4 x i32]** [[I2]]
  // CHECK: [[V1:%[a-z0-9]+]] = bitcast [4 x i32]* [[V0:%[a-z0-9]+]] to i8*
  // CHECK: [[P1:%[a-z0-9]+]] = bitcast [4 x i32]* [[P]] to i8*
  // CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[V1]], i8* [[P1]], i32 16, i32 4, i1 false)
  // CHECK: [[V2:%[a-z0-9]+]] = getelementptr inbounds [4 x i32]* [[V0]], i32 0, i32 0
  // CHECK: store i32* [[V2]], i32** [[V:%[a-z0-9]+]], align 4
  // CHECK: [[V3:%[a-z0-9]+]] = load i32** [[V]], align 4
  // CHECK: [[V4:%[a-z0-9]+]] = bitcast i32* [[V3]] to i8*
  // CHECK: call void @f(i8* [[V4]])
}

void testbuiltin (void) {
  // CHECK-LABEL: testbuiltin
  // CHECK: call i32 @llvm.xcore.getid()
  // CHECK: call i32 @llvm.xcore.getps(i32 {{%[a-z0-9]+}})
  // CHECK: call i32 @llvm.xcore.bitrev(i32 {{%[a-z0-9]+}})
  // CHECK: call void @llvm.xcore.setps(i32 {{%[a-z0-9]+}}, i32 {{%[a-z0-9]+}})
  int i = __builtin_getid();
  unsigned int ui = __builtin_getps(i);
  ui = __builtin_bitrev(ui);
  __builtin_setps(i,ui);
}

// CHECK-LABEL: define zeroext i8 @testchar()
// CHECK: ret i8 -1
char testchar (void) {
  return (char)-1;
}

// CHECK: "no-frame-pointer-elim"="false"
// CHECK-NOT: "no-frame-pointer-elim-non-leaf"