clang/test/CodeGen/fp-atomic-ops.c

   1 // RUN: %clang_cc1 %s -emit-llvm -DDOUBLE -O0 -o - -triple=amdgcn-amd-amdhsa \
   2 // RUN:   | FileCheck -check-prefixes=FLOAT,DOUBLE %s
   3
   4 // RUN: %clang_cc1 %s -emit-llvm -DDOUBLE -O0 -o - -triple=aarch64-linux-gnu \
   5 // RUN:   | FileCheck -check-prefixes=FLOAT,DOUBLE %s
   6
   7 // RUN: %clang_cc1 %s -emit-llvm -O0 -o - -triple=armv8-apple-ios7.0 \
   8 // RUN:   | FileCheck -check-prefixes=FLOAT %s
   9
  10 // RUN: %clang_cc1 %s -emit-llvm -DDOUBLE -O0 -o - -triple=hexagon \
  11 // RUN:   | FileCheck -check-prefixes=FLOAT,DOUBLE %s
  12
  13 // RUN: %clang_cc1 %s -emit-llvm -DDOUBLE -O0 -o - -triple=mips64-mti-linux-gnu \
  14 // RUN:   | FileCheck -check-prefixes=FLOAT,DOUBLE %s
  15
  16 // RUN: %clang_cc1 %s -emit-llvm -O0 -o - -triple=i686-linux-gnu \
  17 // RUN:   | FileCheck -check-prefixes=FLOAT %s
  18
  19 // RUN: %clang_cc1 %s -emit-llvm -DDOUBLE -O0 -o - -triple=x86_64-linux-gnu \
  20 // RUN:   | FileCheck -check-prefixes=FLOAT,DOUBLE %s
  21
  22 typedef enum memory_order {
  23   memory_order_relaxed = __ATOMIC_RELAXED,
  24   memory_order_acquire = __ATOMIC_ACQUIRE,
  25   memory_order_release = __ATOMIC_RELEASE,
  26   memory_order_acq_rel = __ATOMIC_ACQ_REL,
  27   memory_order_seq_cst = __ATOMIC_SEQ_CST
  28 } memory_order;
  29
  30 void test(float *f, float ff, double *d, double dd) {
  31   // FLOAT: atomicrmw fadd ptr {{.*}} monotonic
  32   __atomic_fetch_add(f, ff, memory_order_relaxed);
  33
  34   // FLOAT: atomicrmw fsub ptr {{.*}} monotonic
  35   __atomic_fetch_sub(f, ff, memory_order_relaxed);
  36
  37 #ifdef DOUBLE
  38   // DOUBLE: atomicrmw fadd ptr {{.*}} monotonic
  39   __atomic_fetch_add(d, dd, memory_order_relaxed);
  40
  41   // DOUBLE: atomicrmw fsub ptr {{.*}} monotonic
  42   __atomic_fetch_sub(d, dd, memory_order_relaxed);
  43 #endif
  44 }