clang/test/CodeGen/PowerPC/builtins-ppc.c

   1 // REQUIRES: powerpc-registered-target
   2 // RUN: %clang_cc1 -triple powerpc-unknown-unknown -emit-llvm %s -o - \
   3 // RUN:   | FileCheck %s
   4 // RUN: %clang_cc1 -triple powerpc-unknown-unknown -emit-llvm %s -o - \
   5 // RUN:   -target-cpu pwr9 | FileCheck %s --check-prefixes=P9,CHECK
   6
   7 void test_eh_return_data_regno()
   8 {
   9   volatile int res;
  10   res = __builtin_eh_return_data_regno(0);  // CHECK: store volatile i32 3
  11   res = __builtin_eh_return_data_regno(1);  // CHECK: store volatile i32 4
  12 }
  13
  14 // CHECK-LABEL: define{{.*}} i64 @test_builtin_ppc_get_timebase
  15 long long test_builtin_ppc_get_timebase() {
  16   // CHECK: call i64 @llvm.readcyclecounter()
  17   return __builtin_ppc_get_timebase();
  18 }
  19
  20 void test_builtin_ppc_setrnd() {
  21   volatile double res;
  22   volatile int x = 100;
  23
  24   // CHECK: call double @llvm.ppc.setrnd(i32 2)
  25   res = __builtin_setrnd(2);
  26
  27   // CHECK: call double @llvm.ppc.setrnd(i32 100)
  28   res = __builtin_setrnd(100);
  29
  30   // CHECK: call double @llvm.ppc.setrnd(i32 %2)
  31   res = __builtin_setrnd(x);
  32
  33   // CHECK: call double @llvm.ppc.setrnd(i32 %4)
  34   res = __builtin_ppc_set_fpscr_rn(x);
  35 }
  36
  37 void test_builtin_ppc_flm() {
  38   volatile double res;
  39   // CHECK: call double @llvm.ppc.readflm()
  40   res = __builtin_readflm();
  41
  42   // CHECK: call double @llvm.ppc.readflm()
  43   res = __builtin_ppc_mffs();
  44
  45   // CHECK: call double @llvm.ppc.setflm(double %2)
  46   res = __builtin_setflm(res);
  47
  48 #ifdef _ARCH_PWR9
  49   // P9: call double @llvm.ppc.mffsl()
  50   res = __builtin_ppc_mffsl();
  51 #endif
  52 }
  53
  54 double test_builtin_unpack_ldbl(long double x) {
  55   // CHECK: call double @llvm.ppc.unpack.longdouble(ppc_fp128 %0, i32 1)
  56   return __builtin_unpack_longdouble(x, 1);
  57 }
  58
  59 long double test_builtin_pack_ldbl(double x, double y) {
  60   // CHECK: call ppc_fp128 @llvm.ppc.pack.longdouble(double %0, double %1)
  61   return __builtin_pack_longdouble(x, y);
  62 }
  63
  64 void test_builtin_ppc_maxminfe(long double a, long double b, long double c,
  65                                long double d) {
  66   volatile long double res;
  67   // CHECK: call ppc_fp128 (ppc_fp128, ppc_fp128, ppc_fp128, ...) @llvm.ppc.maxfe(ppc_fp128 %0, ppc_fp128 %1, ppc_fp128 %2, ppc_fp128 %3)
  68   res = __builtin_ppc_maxfe(a, b, c, d);
  69
  70   // CHECK: call ppc_fp128 (ppc_fp128, ppc_fp128, ppc_fp128, ...) @llvm.ppc.minfe(ppc_fp128 %5, ppc_fp128 %6, ppc_fp128 %7, ppc_fp128 %8)
  71   res = __builtin_ppc_minfe(a, b, c, d);
  72 }
  73
  74 void test_builtin_ppc_maxminfl(double a, double b, double c, double d) {
  75   volatile double res;
  76   // CHECK: call double (double, double, double, ...) @llvm.ppc.maxfl(double %0, double %1, double %2, double %3)
  77   res = __builtin_ppc_maxfl(a, b, c, d);
  78
  79   // CHECK: call double (double, double, double, ...) @llvm.ppc.minfl(double %5, double %6, double %7, double %8)
  80   res = __builtin_ppc_minfl(a, b, c, d);
  81 }
  82
  83 void test_builtin_ppc_maxminfs(float a, float b, float c, float d) {
  84   volatile float res;
  85   // CHECK: call float (float, float, float, ...) @llvm.ppc.maxfs(float %0, float %1, float %2, float %3)
  86   res = __builtin_ppc_maxfs(a, b, c, d);
  87
  88   // CHECK: call float (float, float, float, ...) @llvm.ppc.minfs(float %5, float %6, float %7, float %8)
  89   res = __builtin_ppc_minfs(a, b, c, d);
  90 }