1e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher// RUN: %clang_cc1 -triple armv7-apple-darwin9 -emit-llvm -w -o - %s | FileCheck %s 2e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher 33724020559653f11d1327ff41676a06afe3a678fEric Christophertypedef long long int64_t; 43724020559653f11d1327ff41676a06afe3a678fEric Christophertypedef unsigned int uint32_t; 5e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher 6e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopherint64_t foo(int64_t v, volatile int64_t *p) 7e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher{ 8e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher register uint32_t rl asm("r1"); 9e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher register uint32_t rh asm("r2"); 10e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher 11e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher int64_t r; 12e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher uint32_t t; 13e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher 14e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher __asm__ __volatile__( \ 15e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher "ldrexd%[_rl], %[_rh], [%[_p]]" \ 16e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher : [_rl] "=&r" (rl), [_rh] "=&r" (rh) \ 17e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher : [_p] "p" (p) : "memory"); 18e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher 199cbe4f0ba01ec304e1e3d071c071f7bca33631c0Chris Lattner // CHECK: call { i32, i32 } asm sideeffect "ldrexd$0, $1, [$2]", "={r1},={r2},r,~{memory}"(i64* 20e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher 21e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher return r; 22e3e07a5b3490bc2977859d56bac211afac2236fbEric Christopher} 2343fec879a527c74ff01d8aa2bf94a12432249fc7Eric Christopher 2443fec879a527c74ff01d8aa2bf94a12432249fc7Eric Christopher// Make sure we translate register names properly. 2543fec879a527c74ff01d8aa2bf94a12432249fc7Eric Christophervoid bar (void) { 2643fec879a527c74ff01d8aa2bf94a12432249fc7Eric Christopher register unsigned int rn asm("r14"); 2743fec879a527c74ff01d8aa2bf94a12432249fc7Eric Christopher register unsigned int d asm("r2"); 2843fec879a527c74ff01d8aa2bf94a12432249fc7Eric Christopher 2943fec879a527c74ff01d8aa2bf94a12432249fc7Eric Christopher // CHECK: call i32 asm sideeffect "sub $1, $1, #32", "={r2},{lr}" 3043fec879a527c74ff01d8aa2bf94a12432249fc7Eric Christopher asm volatile ("sub %1, %1, #32" : "=r"(d) : "r"(rn)); 3143fec879a527c74ff01d8aa2bf94a12432249fc7Eric Christopher} 32