clang/test/CodeGenOpenCL/builtins-amdgcn-wave32.cl

   1 // REQUIRES: amdgpu-registered-target
   2 // RUN: %clang_cc1 -cl-std=CL2.0 -triple amdgcn-unknown-unknown -D__AMDGCN_WAVEFRONT_SIZE=32 -target-feature +wavefrontsize32 -emit-llvm -o - %s | FileCheck -enable-var-scope %s
   3 // RUN: %clang_cc1 -cl-std=CL2.0 -triple amdgcn-unknown-unknown -target-cpu gfx1010 -emit-llvm -o - %s | FileCheck -enable-var-scope %s
   4 // RUN: %clang_cc1 -cl-std=CL2.0 -triple amdgcn-unknown-unknown -target-cpu gfx1010 -target-feature +wavefrontsize32 -emit-llvm -o - %s | FileCheck -enable-var-scope %s
   5 // RUN: %clang_cc1 -cl-std=CL2.0 -triple amdgcn-unknown-unknown -target-cpu gfx1100 -target-feature +wavefrontsize32 -emit-llvm -o - %s | FileCheck -enable-var-scope %s
   6
   7 typedef unsigned int uint;
   8
   9
  10 // CHECK-LABEL: @test_ballot_wave32(
  11 // CHECK: call i32 @llvm.amdgcn.ballot.i32(i1 %{{.+}})
  12 void test_ballot_wave32(global uint* out, int a, int b)
  13 {
  14   *out = __builtin_amdgcn_ballot_w32(a == b);
  15 }
  16
  17 // CHECK: declare i32 @llvm.amdgcn.ballot.i32(i1) #[[$NOUNWIND_READONLY:[0-9]+]]
  18
  19 // CHECK-LABEL: @test_ballot_wave32_target_attr(
  20 // CHECK: call i32 @llvm.amdgcn.ballot.i32(i1 %{{.+}})
  21 __attribute__((target("wavefrontsize32")))
  22 void test_ballot_wave32_target_attr(global uint* out, int a, int b)
  23 {
  24   *out = __builtin_amdgcn_ballot_w32(a == b);
  25 }
  26
  27 // CHECK-LABEL: @test_read_exec(
  28 // CHECK: call i32 @llvm.amdgcn.ballot.i32(i1 true)
  29 void test_read_exec(global uint* out) {
  30   *out = __builtin_amdgcn_read_exec();
  31 }
  32
  33 // CHECK-LABEL: @test_read_exec_lo(
  34 // CHECK: call i32 @llvm.amdgcn.ballot.i32(i1 true)
  35 void test_read_exec_lo(global uint* out) {
  36   *out = __builtin_amdgcn_read_exec_lo();
  37 }
  38
  39 // CHECK-LABEL: @test_read_exec_hi(
  40 // CHECK: store i32 0, ptr addrspace(1) %out
  41 void test_read_exec_hi(global uint* out) {
  42   *out = __builtin_amdgcn_read_exec_hi();
  43 }
  44
  45 #if __AMDGCN_WAVEFRONT_SIZE != 32
  46 #error Wrong wavesize detected
  47 #endif