test/FrontendC/2010-05-26-AsmSideEffect.c

   1 // RUN: %llvmgcc %s -S -emit-llvm -o - | FileCheck %s
   2 // Radar 8026855
   3
   4 int test (void *src) {
   5   register int w0 asm ("0");
   6   // CHECK: call i32 asm sideeffect
   7   asm ("ldr %0, [%1]": "=r" (w0): "r" (src));
   8   // The asm to read the value of w0 has a sideeffect for a different reason
   9   // (see 2010-05-18-asmsched.c) but that's not what this is testing for.
  10   // CHECK: call i32 asm
  11   return w0;
  12 }