clang/test/CodeGen/mips-inline-asm.c

   1 // REQUIRES: mips-registered-target
   2 // RUN: %clang_cc1 -triple mips-linux-gnu -emit-llvm -o - %s | FileCheck %s
   3
   4 int data;
   5
   6 void m () {
   7   asm("lw $1, %0" :: "m"(data));
   8   // CHECK: call void asm sideeffect "lw $$1, $0", "*m,~{$1}"(ptr elementtype(i32) @data)
   9 }
  10
  11 void ZC () {
  12   asm("ll $1, %0" :: "ZC"(data));
  13   // CHECK: call void asm sideeffect "ll $$1, $0", "*^ZC,~{$1}"(ptr elementtype(i32) @data)
  14 }
  15
  16 void R () {
  17   asm("lw $1, %0" :: "R"(data));
  18   // CHECK: call void asm sideeffect "lw $$1, $0", "*R,~{$1}"(ptr elementtype(i32) @data)
  19 }
  20
  21 int additionalClobberedRegisters () {
  22   int temp0;
  23   asm volatile(
  24                 "mfhi %[temp0], $ac1 \n\t"
  25                   : [temp0]"=&r"(temp0)
  26                   :
  27                   : "memory", "t0", "t1", "$ac1hi", "$ac1lo", "$ac2hi", "$ac2lo", "$ac3hi", "$ac3lo"
  28   );
  29   return 0;
  30   // CHECK: call i32 asm sideeffect "mfhi $0, $$ac1 \0A\09", "=&r,~{memory},~{$8},~{$9},~{$ac1hi},~{$ac1lo},~{$ac2hi},~{$ac2lo},~{$ac3hi},~{$ac3lo},~{$1}"
  31 }