1// REQUIRES: arm-registered-target
2// RUN: %clang_cc1 -triple armv7-apple-darwin9 -emit-llvm -w -o - %s | FileCheck %s
3
4typedef long long int64_t;
5typedef unsigned int uint32_t;
6
7int64_t foo(int64_t v, volatile int64_t *p)
8{
9  register uint32_t rl asm("r1");
10  register uint32_t rh asm("r2");
11
12  int64_t r;
13  uint32_t t;
14
15  __asm__ __volatile__(							\
16		       "ldrexd%[_rl], %[_rh], [%[_p]]"			\
17		       : [_rl] "=&r" (rl), [_rh] "=&r" (rh)		\
18		       : [_p] "p" (p) : "memory");
19
20  // CHECK: call { i32, i32 } asm sideeffect "ldrexd$0, $1, [$2]", "={r1},={r2},r,~{memory}"(i64*
21
22  return r;
23}
24
25// Make sure we translate register names properly.
26void bar (void) {
27  register unsigned int rn asm("r14");
28  register unsigned int d asm("r2");
29
30  // CHECK: call i32 asm sideeffect "sub $1, $1, #32", "={r2},{lr}"
31  asm volatile ("sub %1, %1, #32" : "=r"(d) : "r"(rn));
32}
33