AMDGPU: Add builtins for recently added intrinsics

[• tstellarAMD]

LGTM.

[arsenm]

r262126

include/clang/Basic/BuiltinsAMDGPU.def

 BUILTIN(__builtin_amdgcn_ldexp, "ddi", "nc")
 BUILTIN(__builtin_amdgcn_ldexpf, "ffi", "nc")
 BUILTIN(__builtin_amdgcn_class, "bdi", "nc")
 BUILTIN(__builtin_amdgcn_classf, "bfi", "nc")
 BUILTIN(__builtin_amdgcn_cubeid, "ffff", "nc")
 BUILTIN(__builtin_amdgcn_cubesc, "ffff", "nc")
 BUILTIN(__builtin_amdgcn_cubetc, "ffff", "nc")
 BUILTIN(__builtin_amdgcn_cubema, "ffff", "nc")
+BUILTIN(__builtin_amdgcn_s_memtime, "LUi", "n")
+BUILTIN(__builtin_amdgcn_s_sleep, "vIi", "n")
 
+//===----------------------------------------------------------------------===//
+// VI+ only builtins.
+//===----------------------------------------------------------------------===//
+BUILTIN(__builtin_amdgcn_s_memrealtime, "LUi", "n")
+
+//===----------------------------------------------------------------------===//
 // Legacy names with amdgpu prefix
+//===----------------------------------------------------------------------===//
+
 BUILTIN(__builtin_amdgpu_rsq, "dd", "nc")
 BUILTIN(__builtin_amdgpu_rsqf, "ff", "nc")
 BUILTIN(__builtin_amdgpu_ldexp, "ddi", "nc")
 BUILTIN(__builtin_amdgpu_ldexpf, "ffi", "nc")
 
 #undef BUILTIN

test/CodeGenOpenCL/builtins-amdgcn.cl

 // REQUIRES: amdgpu-registered-target
 // RUN: %clang_cc1 -triple amdgcn-unknown-unknown -S -emit-llvm -o - %s | FileCheck %s
 
 #pragma OPENCL EXTENSION cl_khr_fp64 : enable
 
+typedef unsigned long ulong;
+
 // CHECK-LABEL: @test_div_scale_f64
 // CHECK: call { double, i1 } @llvm.amdgcn.div.scale.f64(double %a, double %b, i1 true)
 // CHECK-DAG: [[FLAG:%.+]] = extractvalue { double, i1 } %{{.+}}, 1
 // CHECK-DAG: [[VAL:%.+]] = extractvalue { double, i1 } %{{.+}}, 0
 // CHECK: [[FLAGEXT:%.+]] = zext i1 [[FLAG]] to i32
 // CHECK: store i32 [[FLAGEXT]]
 void test_div_scale_f64(global double* out, global int* flagout, double a, double b)
 {

 
 // CHECK-LABEL: @test_s_barrier
 // CHECK: call void @llvm.amdgcn.s.barrier(
 void test_s_barrier()
 {
   __builtin_amdgcn_s_barrier();
 }
 
+// CHECK-LABEL: @test_s_memtime
+// CHECK: call i64 @llvm.amdgcn.s.memtime()
+void test_s_memtime(global ulong* out)
+{
+  *out = __builtin_amdgcn_s_memtime();
+}
+
+// CHECK-LABEL: @test_s_memrealtime
+// CHECK: call i64 @llvm.amdgcn.s.memrealtime()
+void test_s_memrealtime(global ulong* out)
+{
+  *out = __builtin_amdgcn_s_memrealtime();
+}
+
+// CHECK-LABEL: @test_s_sleep
+// CHECK: call void @llvm.amdgcn.s.sleep(i32 1)
+// CHECK: call void @llvm.amdgcn.s.sleep(i32 15)
+void test_s_sleep()
+{
+  __builtin_amdgcn_s_sleep(1);
+  __builtin_amdgcn_s_sleep(15);
+}
+
 // CHECK-LABEL: @test_cubeid(
 // CHECK: call float @llvm.amdgcn.cubeid(float %a, float %b, float %c)
 void test_cubeid(global float* out, float a, float b, float c) {
   *out = __builtin_amdgcn_cubeid(a, b, c);
 }
 
 // CHECK-LABEL: @test_cubesc(
 // CHECK: call float @llvm.amdgcn.cubesc(float %a, float %b, float %c)

test/SemaOpenCL/builtins-amdgcn.cl

+// RUN: %clang_cc1 -triple amdgcn-unknown-amdhsa -fsyntax-only -verify %s
+
+void test_s_sleep(int x)
+{
+  __builtin_amdgcn_s_sleep(x); // expected-error {{argument to '__builtin_amdgcn_s_sleep' must be a constant integer}}
+}