clang/test/CodeGenOpenCL/fdeclare-opencl-builtins.cl

   1 // RUN: %clang_cc1 -emit-llvm -o - -O0 -triple spir-unknown-unknown -cl-std=CL1.2 -finclude-default-header %s \
   2 // RUN: | FileCheck %s --check-prefixes CHECK,CHECK-NOGAS
   3 // RUN: %clang_cc1 -emit-llvm -o - -O0 -triple spir-unknown-unknown -cl-std=CL1.2 -fdeclare-opencl-builtins -finclude-default-header %s \
   4 // RUN: | FileCheck %s --check-prefixes CHECK,CHECK-NOGAS
   5 // RUN: %clang_cc1 -emit-llvm -o - -O0 -triple spir-unknown-unknown -cl-std=CL3.0 -fdeclare-opencl-builtins -finclude-default-header %s \
   6 // RUN: | FileCheck %s --check-prefixes CHECK,CHECK-GAS
   7 // RUN: %clang_cc1 -emit-llvm -o - -O0 -triple spir-unknown-unknown -cl-std=CL3.0 -fdeclare-opencl-builtins -finclude-default-header \
   8 // RUN: -cl-ext=-__opencl_c_generic_address_space,-__opencl_c_pipes,-__opencl_c_device_enqueue %s \
   9 // RUN: | FileCheck %s --check-prefixes CHECK,CHECK-NOGAS
  10
  11 // Test that mix is correctly defined.
  12 // CHECK-LABEL: @test_float
  13 // CHECK: call spir_func <4 x float> @_Z3mixDv4_fS_f
  14 // CHECK: ret
  15 void test_float(float4 x, float a) {
  16   float4 ret = mix(x, x, a);
  17 }
  18
  19 // Test that Attr.Const from OpenCLBuiltins.td is lowered to a readnone attribute.
  20 // CHECK-LABEL: @test_const_attr
  21 // CHECK: call spir_func i32 @_Z3maxii({{.*}}) [[ATTR_CONST:#[0-9]]]
  22 // CHECK: ret
  23 int test_const_attr(int a) {
  24   return max(a, 2);
  25 }
  26
  27 // Test that Attr.Pure from OpenCLBuiltins.td is lowered to a readonly attribute.
  28 // CHECK-LABEL: @test_pure_attr
  29 // CHECK: call spir_func <4 x float> @_Z11read_imagef{{.*}} [[ATTR_PURE:#[0-9]]]
  30 // CHECK: ret
  31 kernel void test_pure_attr(read_only image1d_t img) {
  32   float4 resf = read_imagef(img, 42);
  33 }
  34
  35 // Test that builtins with only one prototype are mangled.
  36 // CHECK-LABEL: @test_mangling
  37 // CHECK: call spir_func i32 @_Z12get_local_idj
  38 kernel void test_mangling() {
  39   size_t lid = get_local_id(0);
  40 }
  41
  42 // Test that the correct builtin is called depending on the generic address
  43 // space feature availability.
  44 // CHECK-LABEL: @test_generic_optionality
  45 // CHECK-GAS: call spir_func float @_Z5fractfPU3AS4f
  46 // CHECK-NOGAS: call spir_func float @_Z5fractfPf
  47 void test_generic_optionality(float a, float *b) {
  48   float res = fract(a, b);
  49 }
  50
  51 // CHECK: attributes [[ATTR_CONST]] =
  52 // CHECK-SAME: readnone
  53 // CHECK: attributes [[ATTR_PURE]] =
  54 // CHECK-SAME: readonly