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// RUN: %clang_cc1 -triple armv7-apple-darwin9 -emit-llvm -w -o - %s | FileCheck %s
typedef long long int64_t;
typedef unsigned int uint32_t;
int64_t foo(int64_t v, volatile int64_t *p)
{
register uint32_t rl asm("r1");
register uint32_t rh asm("r2");
int64_t r;
uint32_t t;
__asm__ __volatile__( \
"ldrexd%[_rl], %[_rh], [%[_p]]" \
: [_rl] "=&r" (rl), [_rh] "=&r" (rh) \
: [_p] "p" (p) : "memory");
// CHECK: call { i32, i32 } asm sideeffect "ldrexd$0, $1, [$2]", "={r1},={r2},r,~{memory}"(i64*
return r;
}
// Make sure we translate register names properly.
void bar (void) {
register unsigned int rn asm("r14");
register unsigned int d asm("r2");
// CHECK: call i32 asm sideeffect "sub $1, $1, #32", "={r2},{lr}"
asm volatile ("sub %1, %1, #32" : "=r"(d) : "r"(rn));
}
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