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[AMDGPU] Add a type for the named barrier (llvm#113614)
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‎clang/include/clang/Basic/AMDGPUTypes.def‎

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@@ -15,7 +15,15 @@
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AMDGPU_TYPE(Name, Id, SingletonId, Width, Align)
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#endif
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#ifndef AMDGPU_NAMED_BARRIER_TYPE
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#define AMDGPU_NAMED_BARRIER_TYPE(Name, Id, SingletonId, Width, Align, Scope) \
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AMDGPU_TYPE(Name, Id, SingletonId, Width, Align)
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#endif
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AMDGPU_OPAQUE_PTR_TYPE("__amdgpu_buffer_rsrc_t", AMDGPUBufferRsrc, AMDGPUBufferRsrcTy, 128, 128, 8)
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AMDGPU_NAMED_BARRIER_TYPE("__amdgpu_named_workgroup_barrier_t", AMDGPUNamedWorkgroupBarrier, AMDGPUNamedWorkgroupBarrierTy, 128, 32, 0)
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#undef AMDGPU_TYPE
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#undef AMDGPU_OPAQUE_PTR_TYPE
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#undef AMDGPU_NAMED_BARRIER_TYPE

‎clang/lib/CodeGen/CGDebugInfo.cpp‎

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@@ -916,6 +916,13 @@ llvm::DIType *CGDebugInfo::CreateType(const BuiltinType *BT) {
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TheCU, TheCU->getFile(), 0); \
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return SingletonId; \
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}
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#define AMDGPU_NAMED_BARRIER_TYPE(Name, Id, SingletonId, Width, Align, Scope) \
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case BuiltinType::Id: { \
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if (!SingletonId) \
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SingletonId = \
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DBuilder.createBasicType(Name, Width, llvm::dwarf::DW_ATE_unsigned); \
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return SingletonId; \
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}
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#include "clang/Basic/AMDGPUTypes.def"
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case BuiltinType::UChar:
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case BuiltinType::Char_U:

‎clang/lib/CodeGen/CodeGenTypes.cpp‎

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@@ -564,6 +564,10 @@ llvm::Type *CodeGenTypes::ConvertType(QualType T) {
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#define AMDGPU_OPAQUE_PTR_TYPE(Name, Id, SingletonId, Width, Align, AS) \
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case BuiltinType::Id: \
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return llvm::PointerType::get(getLLVMContext(), AS);
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#define AMDGPU_NAMED_BARRIER_TYPE(Name, Id, SingletonId, Width, Align, Scope) \
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case BuiltinType::Id: \
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return llvm::TargetExtType::get(getLLVMContext(), "amdgcn.named.barrier", \
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{}, {Scope});
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#include "clang/Basic/AMDGPUTypes.def"
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#define HLSL_INTANGIBLE_TYPE(Name, Id, SingletonId) case BuiltinType::Id:
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#include "clang/Basic/HLSLIntangibleTypes.def"

‎clang/test/AST/ast-dump-amdgpu-types.c‎

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// REQUIRES: amdgpu-registered-target
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// Test without serialization:
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// RUN: %clang_cc1 -triple amdgcn -ast-dump -ast-dump-filter __amdgpu_buffer_rsrc_t %s | FileCheck %s
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// RUN: %clang_cc1 -triple amdgcn -ast-dump -ast-dump-filter __amdgpu_buffer_rsrc_t %s | FileCheck %s -check-prefix=BUFFER-RSRC
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// RUN: %clang_cc1 -triple amdgcn -ast-dump -ast-dump-filter __amdgpu_named_workgroup_barrier %s | FileCheck %s -check-prefix=WORKGROUP-BARRIER
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//
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// Test with serialization:
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// RUN: %clang_cc1 -triple amdgcn -emit-pch -o %t %s
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// RUN: %clang_cc1 -x c -triple amdgcn -include-pch %t -ast-dump-all -ast-dump-filter __amdgpu_buffer_rsrc_t /dev/null | sed -e "s/ <undeserialized declarations>//" -e "s/ imported//" | FileCheck %s
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// RUN: %clang_cc1 -x c -triple amdgcn -include-pch %t -ast-dump-all -ast-dump-filter __amdgpu_buffer_rsrc_t /dev/null | sed -e "s/ <undeserialized declarations>//" -e "s/ imported//" | FileCheck %s -check-prefix=BUFFER-RSRC
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// RUN: %clang_cc1 -x c -triple amdgcn -include-pch %t -ast-dump-all -ast-dump-filter __amdgpu_named_workgroup_barrier /dev/null | sed -e "s/ <undeserialized declarations>//" -e "s/ imported//" | FileCheck %s -check-prefix=WORKGROUP-BARRIER
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// CHECK: TypedefDecl {{.*}} implicit __amdgpu_buffer_rsrc_t
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// CHECK-NEXT: -BuiltinType {{.*}} '__amdgpu_buffer_rsrc_t'
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// BUFFER-RSRC: TypedefDecl {{.*}} implicit __amdgpu_buffer_rsrc_t
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// BUFFER-RSRC-NEXT: -BuiltinType {{.*}} '__amdgpu_buffer_rsrc_t'
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// WORKGROUP-BARRIER: TypedefDecl {{.*}} implicit __amdgpu_named_workgroup_barrier_t
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// WORKGROUP-BARRIER-NEXT: -BuiltinType {{.*}} '__amdgpu_named_workgroup_barrier_t'

‎clang/test/CodeGen/amdgpu-barrier-type-debug-info.c‎

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// REQUIRES: amdgpu-registered-target
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// RUN: %clang_cc1 -triple amdgcn -emit-llvm -o - %s -debug-info-kind=limited 2>&1 | FileCheck %s
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// CHECK: name: "__amdgpu_named_workgroup_barrier_t",{{.*}}baseType: ![[BT:[0-9]+]]
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// CHECK: [[BT]] = !DIBasicType(name: "__amdgpu_named_workgroup_barrier_t", size: 128, encoding: DW_ATE_unsigned)
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void test_locals(void) {
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__amdgpu_named_workgroup_barrier_t k0;
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}

‎clang/test/CodeGenCXX/amdgpu-barrier-typeinfo.cpp‎

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// REQUIRES: amdgpu-registered-target
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// RUN: %clang_cc1 -triple amdgcn %s -emit-llvm -o - | FileCheck %s
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namespace std { class type_info; };
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auto &b0 = typeid(__amdgpu_named_workgroup_barrier_t);
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// CHECK-DAG: @_ZTSu34__amdgpu_named_workgroup_barrier_t = {{.*}} c"u34__amdgpu_named_workgroup_barrier_t\00"
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// CHECK-DAG: @_ZTIu34__amdgpu_named_workgroup_barrier_t = {{.*}} @_ZTVN10__cxxabiv123__fundamental_type_infoE, {{.*}} @_ZTSu34__amdgpu_named_workgroup_barrier_t
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‎clang/test/CodeGenHIP/amdgpu-barrier-type.hip‎

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// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --function-signature
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// REQUIRES: amdgpu-registered-target
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// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu verde -emit-llvm -o - %s | FileCheck %s
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#define __shared__ __attribute__((shared))
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__shared__ __amdgpu_named_workgroup_barrier_t bar;
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__shared__ __amdgpu_named_workgroup_barrier_t arr[2];
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__shared__ struct {
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__amdgpu_named_workgroup_barrier_t x;
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__amdgpu_named_workgroup_barrier_t y;
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} str;
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__amdgpu_named_workgroup_barrier_t *getBar();
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void useBar(__amdgpu_named_workgroup_barrier_t *);
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// CHECK-LABEL: define {{[^@]+}}@_Z7testSemPu34__amdgpu_named_workgroup_barrier_t
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// CHECK-SAME: (ptr noundef [[P:%.*]]) #[[ATTR0:[0-9]+]] {
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[RETVAL:%.*]] = alloca ptr, align 8, addrspace(5)
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// CHECK-NEXT: [[P_ADDR:%.*]] = alloca ptr, align 8, addrspace(5)
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// CHECK-NEXT: [[RETVAL_ASCAST:%.*]] = addrspacecast ptr addrspace(5) [[RETVAL]] to ptr
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// CHECK-NEXT: [[P_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5) [[P_ADDR]] to ptr
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// CHECK-NEXT: store ptr [[P]], ptr [[P_ADDR_ASCAST]], align 8
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// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[P_ADDR_ASCAST]], align 8
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// CHECK-NEXT: call void @_Z6useBarPu34__amdgpu_named_workgroup_barrier_t(ptr noundef [[TMP0]]) #[[ATTR2:[0-9]+]]
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// CHECK-NEXT: call void @_Z6useBarPu34__amdgpu_named_workgroup_barrier_t(ptr noundef addrspacecast (ptr addrspace(1) @bar to ptr)) #[[ATTR2]]
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// CHECK-NEXT: call void @_Z6useBarPu34__amdgpu_named_workgroup_barrier_t(ptr noundef getelementptr inbounds ([2 x target("amdgcn.named.barrier", 0)], ptr addrspacecast (ptr addrspace(1) @arr to ptr), i64 0, i64 1)) #[[ATTR2]]
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// CHECK-NEXT: call void @_Z6useBarPu34__amdgpu_named_workgroup_barrier_t(ptr noundef getelementptr inbounds nuw ([[STRUCT_ANON:%.*]], ptr addrspacecast (ptr addrspace(1) @str to ptr), i32 0, i32 1)) #[[ATTR2]]
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// CHECK-NEXT: [[CALL:%.*]] = call noundef ptr @_Z6getBarv() #[[ATTR2]]
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// CHECK-NEXT: call void @_Z6useBarPu34__amdgpu_named_workgroup_barrier_t(ptr noundef [[CALL]]) #[[ATTR2]]
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// CHECK-NEXT: [[CALL1:%.*]] = call noundef ptr @_Z6getBarv() #[[ATTR2]]
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// CHECK-NEXT: ret ptr [[CALL1]]
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//
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__amdgpu_named_workgroup_barrier_t *testSem(__amdgpu_named_workgroup_barrier_t *p) {
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useBar(p);
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useBar(&bar);
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useBar(&arr[1]);
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useBar(&str.y);
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useBar(getBar());
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return getBar();
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}

‎clang/test/SemaCXX/amdgpu-barrier.cpp‎

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// REQUIRES: amdgpu-registered-target
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// RUN: %clang_cc1 -fsyntax-only -verify -std=gnu++11 -triple amdgcn -Wno-unused-value %s
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void foo() {
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int n = 100;
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__amdgpu_named_workgroup_barrier_t v = 0; // expected-error {{cannot initialize a variable of type '__amdgpu_named_workgroup_barrier_t' with an rvalue of type 'int'}}
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static_cast<__amdgpu_named_workgroup_barrier_t>(n); // expected-error {{static_cast from 'int' to '__amdgpu_named_workgroup_barrier_t' is not allowed}}
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dynamic_cast<__amdgpu_named_workgroup_barrier_t>(n); // expected-error {{invalid target type '__amdgpu_named_workgroup_barrier_t' for dynamic_cast; target type must be a reference or pointer type to a defined class}}
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reinterpret_cast<__amdgpu_named_workgroup_barrier_t>(n); // expected-error {{reinterpret_cast from 'int' to '__amdgpu_named_workgroup_barrier_t' is not allowed}}
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int c(v); // expected-error {{cannot initialize a variable of type 'int' with an lvalue of type '__amdgpu_named_workgroup_barrier_t'}}
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__amdgpu_named_workgroup_barrier_t k;
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int *ip = (int *)k; // expected-error {{cannot cast from type '__amdgpu_named_workgroup_barrier_t' to pointer type 'int *'}}
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void *vp = (void *)k; // expected-error {{cannot cast from type '__amdgpu_named_workgroup_barrier_t' to pointer type 'void *'}}
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}
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static_assert(sizeof(__amdgpu_named_workgroup_barrier_t) == 16, "wrong size");
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static_assert(alignof(__amdgpu_named_workgroup_barrier_t) == 4, "wrong alignment");

‎clang/test/SemaHIP/amdgpu-barrier.hip‎

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// REQUIRES: amdgpu-registered-target
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// RUN: %clang_cc1 -fsyntax-only -verify -triple amdgcn -Wno-unused-value %s
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// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64 -aux-triple amdgcn -Wno-unused-value %s
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#define __device__ __attribute__((device))
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__device__ void foo() {
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int n = 100;
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__amdgpu_named_workgroup_barrier_t v = 0; // expected-error {{cannot initialize a variable of type '__amdgpu_named_workgroup_barrier_t' with an rvalue of type 'int'}}
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static_cast<__amdgpu_named_workgroup_barrier_t>(n); // expected-error {{static_cast from 'int' to '__amdgpu_named_workgroup_barrier_t' is not allowed}}
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dynamic_cast<__amdgpu_named_workgroup_barrier_t>(n); // expected-error {{invalid target type '__amdgpu_named_workgroup_barrier_t' for dynamic_cast; target type must be a reference or pointer type to a defined class}}
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reinterpret_cast<__amdgpu_named_workgroup_barrier_t>(n); // expected-error {{reinterpret_cast from 'int' to '__amdgpu_named_workgroup_barrier_t' is not allowed}}
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int c(v); // expected-error {{cannot initialize a variable of type 'int' with an lvalue of type '__amdgpu_named_workgroup_barrier_t'}}
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__amdgpu_named_workgroup_barrier_t k;
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int *ip = (int *)k; // expected-error {{cannot cast from type '__amdgpu_named_workgroup_barrier_t' to pointer type 'int *'}}
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void *vp = (void *)k; // expected-error {{cannot cast from type '__amdgpu_named_workgroup_barrier_t' to pointer type 'void *'}}
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}
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static_assert(sizeof(__amdgpu_named_workgroup_barrier_t) == 16, "wrong size");
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static_assert(alignof(__amdgpu_named_workgroup_barrier_t) == 4, "wrong alignment");

‎clang/test/SemaOpenCL/amdgpu-barrier.cl‎

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// REQUIRES: amdgpu-registered-target
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// RUN: %clang_cc1 -verify -cl-std=CL1.2 -triple amdgcn-amd-amdhsa -Wno-unused-value %s
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// RUN: %clang_cc1 -verify -cl-std=CL2.0 -triple amdgcn-amd-amdhsa -Wno-unused-value %s
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void foo() {
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int n = 100;
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__amdgpu_named_workgroup_barrier_t v = 0; // expected-error {{initializing '__private __amdgpu_named_workgroup_barrier_t' with an expression of incompatible type 'int'}}
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int c = v; // expected-error {{initializing '__private int' with an expression of incompatible type '__private __amdgpu_named_workgroup_barrier_t'}}
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__amdgpu_named_workgroup_barrier_t k;
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int *ip = (int *)k; // expected-error {{operand of type '__amdgpu_named_workgroup_barrier_t' where arithmetic or pointer type is required}}
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void *vp = (void *)k; // expected-error {{operand of type '__amdgpu_named_workgroup_barrier_t' where arithmetic or pointer type is required}}
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}

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