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[OpenCL] Change block descriptor address space to constant. 

The block descriptor is a GlobalVariable in the LLVM IR, so it shouldn't be
in the private address space.

llvm-svn: 278234
This commit is contained in:
Joey Gouly 2016-08-10 15:57:02 +00:00
parent b204f03004
commit ddbda40245
2 changed files with 17 additions and 9 deletions
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12
clang/lib/CodeGen/CGBlocks.cpp
View File

@ -125,10 +125,15 @@ static llvm::Constant *buildBlockDescriptor(CodeGenModule &CGM,
llvm::Constant *init = llvm::ConstantStruct::getAnon(elements);
unsigned AddrSpace = 0;
if (C.getLangOpts().OpenCL)
AddrSpace = C.getTargetAddressSpace(LangAS::opencl_constant);
llvm::GlobalVariable *global =
new llvm::GlobalVariable(CGM.getModule(), init->getType(), true,
llvm::GlobalValue::InternalLinkage,
init, "__block_descriptor_tmp");
init, "__block_descriptor_tmp", nullptr,
llvm::GlobalValue::NotThreadLocal,
AddrSpace);
return llvm::ConstantExpr::getBitCast(global, CGM.getBlockDescriptorType());
}
@ -927,7 +932,10 @@ llvm::Type *CodeGenModule::getBlockDescriptorType() {
UnsignedLongTy, UnsignedLongTy, nullptr);
// Now form a pointer to that.
BlockDescriptorType = llvm::PointerType::getUnqual(BlockDescriptorType);
unsigned AddrSpace = 0;
if (getLangOpts().OpenCL)
AddrSpace = getContext().getTargetAddressSpace(LangAS::opencl_constant);
BlockDescriptorType = llvm::PointerType::get(BlockDescriptorType, AddrSpace);
return BlockDescriptorType;
}

14
clang/test/CodeGenOpenCL/cl20-device-side-enqueue.cl
View File

@ -5,7 +5,7 @@ typedef void (^bl_t)(local void *);
const bl_t block_G = (bl_t) ^ (local void *a) {};
kernel void device_side_enqueue(global int *a, global int *b, int i) {
// CHECK: %default_queue = alloca %opencl.queue_t*
// CHECK: %deafault_queue = alloca %opencl.queue_t*
queue_t default_queue;
// CHECK: %flags = alloca i32
unsigned flags = 0;
@ -21,7 +21,7 @@ kernel void device_side_enqueue(global int *a, global int *b, int i) {
// CHECK: [[DEF_Q:%[0-9]+]] = load %opencl.queue_t*, %opencl.queue_t** %default_queue
// CHECK: [[FLAGS:%[0-9]+]] = load i32, i32* %flags
// CHECK: [[NDR:%[0-9]+]] = load %opencl.ndrange_t*, %opencl.ndrange_t** %ndrange
// CHECK: [[BL:%[0-9]+]] = bitcast <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i32{{.*}}, i32{{.*}}, i32{{.*}} }>* %block to void ()*
// CHECK: [[BL:%[0-9]+]] = bitcast <{ i8*, i32, i32, i8*, %struct.__block_descriptor addrspace(3)*, i32{{.*}}, i32{{.*}}, i32{{.*}} }>* %block to void ()*
// CHECK: [[BL_I8:%[0-9]+]] = bitcast void ()* [[BL]] to i8*
// CHECK: call i32 @__enqueue_kernel_basic(%opencl.queue_t* [[DEF_Q]], i32 [[FLAGS]], %opencl.ndrange_t* [[NDR]], i8* [[BL_I8]])
enqueue_kernel(default_queue, flags, ndrange,
@ -32,7 +32,7 @@ kernel void device_side_enqueue(global int *a, global int *b, int i) {
// CHECK: [[DEF_Q:%[0-9]+]] = load %opencl.queue_t*, %opencl.queue_t** %default_queue
// CHECK: [[FLAGS:%[0-9]+]] = load i32, i32* %flags
// CHECK: [[NDR:%[0-9]+]] = load %opencl.ndrange_t*, %opencl.ndrange_t** %ndrange
// CHECK: [[BL:%[0-9]+]] = bitcast <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i32{{.*}}, i32{{.*}}, i32{{.*}} }>* %block3 to void ()*
// CHECK: [[BL:%[0-9]+]] = bitcast <{ i8*, i32, i32, i8*, %struct.__block_descriptor addrspace(3)*, i32{{.*}}, i32{{.*}}, i32{{.*}} }>* %block3 to void ()*
// CHECK: [[BL_I8:%[0-9]+]] = bitcast void ()* [[BL]] to i8*
// CHECK: call i32 @__enqueue_kernel_basic_events(%opencl.queue_t* [[DEF_Q]], i32 [[FLAGS]], %opencl.ndrange_t* [[NDR]], i32 2, %opencl.clk_event_t** %event_wait_list, %opencl.clk_event_t** %clk_event, i8* [[BL_I8]])
enqueue_kernel(default_queue, flags, ndrange, 2, &event_wait_list, &clk_event,
@ -43,7 +43,7 @@ kernel void device_side_enqueue(global int *a, global int *b, int i) {
// CHECK: [[DEF_Q:%[0-9]+]] = load %opencl.queue_t*, %opencl.queue_t** %default_queue
// CHECK: [[FLAGS:%[0-9]+]] = load i32, i32* %flags
// CHECK: [[NDR:%[0-9]+]] = load %opencl.ndrange_t*, %opencl.ndrange_t** %ndrange
// CHECK: call i32 (%opencl.queue_t*, i32, %opencl.ndrange_t*, i8*, i32, ...) @__enqueue_kernel_vaargs(%opencl.queue_t* [[DEF_Q]], i32 [[FLAGS]], %opencl.ndrange_t* [[NDR]], i8* bitcast ({ i8**, i32, i32, i8*, %struct.__block_descriptor* }* @__block_literal_global{{(.[0-9]+)?}} to i8*), i32 1, i32 256)
// CHECK: call i32 (%opencl.queue_t*, i32, %opencl.ndrange_t*, i8*, i32, ...) @__enqueue_kernel_vaargs(%opencl.queue_t* [[DEF_Q]], i32 [[FLAGS]], %opencl.ndrange_t* [[NDR]], i8* bitcast ({ i8**, i32, i32, i8*, %struct.__block_descriptor addrspace(3)* }* @__block_literal_global{{(.[0-9]+)?}} to i8*), i32 1, i32 256)
enqueue_kernel(default_queue, flags, ndrange,
^(local void *p) {
return;
@ -54,7 +54,7 @@ kernel void device_side_enqueue(global int *a, global int *b, int i) {
// CHECK: [[FLAGS:%[0-9]+]] = load i32, i32* %flags
// CHECK: [[NDR:%[0-9]+]] = load %opencl.ndrange_t*, %opencl.ndrange_t** %ndrange
// CHECK: [[SIZE:%[0-9]+]] = zext i8 {{%[0-9]+}} to i32
// CHECK: call i32 (%opencl.queue_t*, i32, %opencl.ndrange_t*, i8*, i32, ...) @__enqueue_kernel_vaargs(%opencl.queue_t* [[DEF_Q]], i32 [[FLAGS]], %opencl.ndrange_t* [[NDR]], i8* bitcast ({ i8**, i32, i32, i8*, %struct.__block_descriptor* }* @__block_literal_global{{(.[0-9]+)?}} to i8*), i32 1, i32 [[SIZE]])
// CHECK: call i32 (%opencl.queue_t*, i32, %opencl.ndrange_t*, i8*, i32, ...) @__enqueue_kernel_vaargs(%opencl.queue_t* [[DEF_Q]], i32 [[FLAGS]], %opencl.ndrange_t* [[NDR]], i8* bitcast ({ i8**, i32, i32, i8*, %struct.__block_descriptor addrspace(3)* }* @__block_literal_global{{(.[0-9]+)?}} to i8*), i32 1, i32 [[SIZE]])
enqueue_kernel(default_queue, flags, ndrange,
^(local void *p) {
return;
@ -65,7 +65,7 @@ kernel void device_side_enqueue(global int *a, global int *b, int i) {
// CHECK: [[FLAGS:%[0-9]+]] = load i32, i32* %flags
// CHECK: [[NDR:%[0-9]+]] = load %opencl.ndrange_t*, %opencl.ndrange_t** %ndrange
// CHECK: [[AD:%arraydecay[0-9]*]] = getelementptr inbounds [1 x %opencl.clk_event_t*], [1 x %opencl.clk_event_t*]* %event_wait_list2, i32 0, i32 0
// CHECK: call i32 (%opencl.queue_t*, i32, %opencl.ndrange_t*, i32, %opencl.clk_event_t**, %opencl.clk_event_t**, i8*, i32, ...) @__enqueue_kernel_events_vaargs(%opencl.queue_t* [[DEF_Q]], i32 [[FLAGS]], %opencl.ndrange_t* [[NDR]], i32 2, %opencl.clk_event_t** [[AD]], %opencl.clk_event_t** %clk_event, i8* bitcast ({ i8**, i32, i32, i8*, %struct.__block_descriptor* }* @__block_literal_global{{(.[0-9]+)?}} to i8*), i32 1, i32 256)
// CHECK: call i32 (%opencl.queue_t*, i32, %opencl.ndrange_t*, i32, %opencl.clk_event_t**, %opencl.clk_event_t**, i8*, i32, ...) @__enqueue_kernel_events_vaargs(%opencl.queue_t* [[DEF_Q]], i32 [[FLAGS]], %opencl.ndrange_t* [[NDR]], i32 2, %opencl.clk_event_t** [[AD]], %opencl.clk_event_t** %clk_event, i8* bitcast ({ i8**, i32, i32, i8*, %struct.__block_descriptor addrspace(3)* }* @__block_literal_global{{(.[0-9]+)?}} to i8*), i32 1, i32 256)
enqueue_kernel(default_queue, flags, ndrange, 2, event_wait_list2, &clk_event,
^(local void *p) {
return;
@ -77,7 +77,7 @@ kernel void device_side_enqueue(global int *a, global int *b, int i) {
// CHECK: [[NDR:%[0-9]+]] = load %opencl.ndrange_t*, %opencl.ndrange_t** %ndrange
// CHECK: [[AD:%arraydecay[0-9]*]] = getelementptr inbounds [1 x %opencl.clk_event_t*], [1 x %opencl.clk_event_t*]* %event_wait_list2, i32 0, i32 0
// CHECK: [[SIZE:%[0-9]+]] = zext i8 {{%[0-9]+}} to i32
// CHECK: call i32 (%opencl.queue_t*, i32, %opencl.ndrange_t*, i32, %opencl.clk_event_t**, %opencl.clk_event_t**, i8*, i32, ...) @__enqueue_kernel_events_vaargs(%opencl.queue_t* [[DEF_Q]], i32 [[FLAGS]], %opencl.ndrange_t* [[NDR]], i32 2, %opencl.clk_event_t** [[AD]], %opencl.clk_event_t** %clk_event, i8* bitcast ({ i8**, i32, i32, i8*, %struct.__block_descriptor* }* @__block_literal_global{{(.[0-9]+)?}} to i8*), i32 1, i32 [[SIZE]])
// CHECK: call i32 (%opencl.queue_t*, i32, %opencl.ndrange_t*, i32, %opencl.clk_event_t**, %opencl.clk_event_t**, i8*, i32, ...) @__enqueue_kernel_events_vaargs(%opencl.queue_t* [[DEF_Q]], i32 [[FLAGS]], %opencl.ndrange_t* [[NDR]], i32 2, %opencl.clk_event_t** [[AD]], %opencl.clk_event_t** %clk_event, i8* bitcast ({ i8**, i32, i32, i8*, %struct.__block_descriptor addrspace(3)* }* @__block_literal_global{{(.[0-9]+)?}} to i8*), i32 1, i32 [[SIZE]])
enqueue_kernel(default_queue, flags, ndrange, 2, event_wait_list2, &clk_event,
^(local void *p) {
return;