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

   1 // RUN: %clang_cc1 -triple powerpc64le-gnu-linux \
   2 // RUN: -target-feature +altivec -Wall -Wno-unused -Werror -emit-llvm %s -o - | FileCheck      \
   3 // RUN: %s
   4
   5 typedef __attribute__((vector_size(4 * sizeof(float)))) float vec_float;
   6 typedef __attribute__((vector_size(2 * sizeof(double)))) double vec_double;
   7
   8 volatile vec_double vd;
   9 volatile vec_float vf;
  10
  11 void test_fma(void) {
  12   vf = __builtin_vsx_xvmaddasp(vf, vf, vf);
  13   // CHECK: @llvm.fma.v4f32(<4 x float> %{{.*}}, <4 x float> %{{.*}}, <4 x float> %{{.*}})
  14
  15   vd = __builtin_vsx_xvmaddadp(vd, vd, vd);
  16   // CHECK: @llvm.fma.v2f64(<2 x double> %{{.*}}, <2 x double> %{{.*}}, <2 x double> %{{.*}})
  17
  18   vf = __builtin_vsx_xvnmaddasp(vf, vf, vf);
  19   // CHECK: [[RESULT:%[^ ]+]] = call <4 x float> @llvm.fma.v4f32(<4 x float> %{{.*}}, <4 x float> %{{.*}}, <4 x float> %{{.*}})
  20   // CHECK: fneg <4 x float> [[RESULT]]
  21
  22   vd = __builtin_vsx_xvnmaddadp(vd, vd, vd);
  23   // CHECK: [[RESULT:%[^ ]+]] = call <2 x double> @llvm.fma.v2f64(<2 x double> %{{.*}}, <2 x double> %{{.*}}, <2 x double> %{{.*}})
  24   // CHECK: fneg <2 x double> [[RESULT]]
  25
  26   vf = __builtin_vsx_xvmsubasp(vf, vf, vf);
  27   // CHECK: [[RESULT:%[^ ]+]] = fneg <4 x float> %{{.*}}
  28   // CHECK: @llvm.fma.v4f32(<4 x float> %{{.*}}, <4 x float> %{{.*}}, <4 x float> [[RESULT]])
  29
  30   vd = __builtin_vsx_xvmsubadp(vd, vd, vd);
  31   // CHECK: [[RESULT:%[^ ]+]] = fneg <2 x double> %{{.*}}
  32   // CHECK: <2 x double> @llvm.fma.v2f64(<2 x double> %{{.*}}, <2 x double> %{{.*}}, <2 x double> [[RESULT]])
  33
  34   vf = __builtin_vsx_xvnmsubasp(vf, vf, vf);
  35   // CHECK: call <4 x float> @llvm.ppc.fnmsub.v4f32(<4 x float> %{{.*}}, <4 x float> %{{.*}}, <4 x float> %{{.*}})
  36
  37   vd = __builtin_vsx_xvnmsubadp(vd, vd, vd);
  38   // CHECK: call <2 x double> @llvm.ppc.fnmsub.v2f64(<2 x double> %{{.*}}, <2 x double> %{{.*}}, <2 x double> %{{.*}})
  39 }