clang/test/CodeGen/asm_arm64.c

   1 // RUN: %clang_cc1 -triple arm64-apple-ios -emit-llvm -o - %s | FileCheck %s
   2
   3 int t1(void)
   4 {
   5   int x;
   6   __asm__("mov %0, 7" : "=r" (x));
   7   return x;
   8 }
   9
  10 long t2(void)
  11 {
  12   long x;
  13   __asm__("mov %0, 7" : "=r" (x));
  14   return x;
  15 }
  16
  17 long t3(void)
  18 {
  19   long x;
  20   __asm__("mov %w0, 7" : "=r" (x));
  21   return x;
  22 }
  23
  24 void t4(long op) {
  25   long x1;
  26   asm ("mov x0, %1; svc #0;" : "=r"(x1) :"r"(op),"r"(x1) :"x0" );
  27 }
  28
  29 float t5(float x) {
  30   __asm__("fadd %0, %0, %0" : "+w" (x));
  31   return x;
  32 }
  33
  34 void t6 (void *f, int g) {
  35   // CHECK: t6
  36   // CHECK: call void asm "str $1, $0", "=*Q,r"
  37   asm("str %1, %0" : "=Q"(f) : "r"(g));
  38 }