Author: bader Date: Mon Oct 31 05:26:31 2016 New Revision: 285557 URL: http://llvm.org/viewvc/llvm-project?rev=285557&view=rev Log: [OpenCL] Setting constant address space for array initializers
Summary: Setting constant address space for global constants used for memcpy-initialization of arrays. Patch by Alexey Sotkin. Reviewers: bader, yaxunl, Anastasia Subscribers: cfe-commits, AlexeySotkin Differential Revision: https://reviews.llvm.org/D25305 Added: cfe/trunk/test/CodeGenOpenCL/private-array-initialization.cl Modified: cfe/trunk/lib/CodeGen/CGDecl.cpp cfe/trunk/test/CodeGenOpenCL/partial_initializer.cl Modified: cfe/trunk/lib/CodeGen/CGDecl.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGDecl.cpp?rev=285557&r1=285556&r2=285557&view=diff ============================================================================== --- cfe/trunk/lib/CodeGen/CGDecl.cpp (original) +++ cfe/trunk/lib/CodeGen/CGDecl.cpp Mon Oct 31 05:26:31 2016 @@ -1225,10 +1225,16 @@ void CodeGenFunction::EmitAutoVarInit(co // Otherwise, create a temporary global with the initializer then // memcpy from the global to the alloca. std::string Name = getStaticDeclName(CGM, D); + unsigned AS = 0; + if (getLangOpts().OpenCL) { + AS = CGM.getContext().getTargetAddressSpace(LangAS::opencl_constant); + BP = llvm::PointerType::getInt8PtrTy(getLLVMContext(), AS); + } llvm::GlobalVariable *GV = new llvm::GlobalVariable(CGM.getModule(), constant->getType(), true, llvm::GlobalValue::PrivateLinkage, - constant, Name); + constant, Name, nullptr, + llvm::GlobalValue::NotThreadLocal, AS); GV->setAlignment(Loc.getAlignment().getQuantity()); GV->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global); Modified: cfe/trunk/test/CodeGenOpenCL/partial_initializer.cl URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenOpenCL/partial_initializer.cl?rev=285557&r1=285556&r2=285557&view=diff ============================================================================== --- cfe/trunk/test/CodeGenOpenCL/partial_initializer.cl (original) +++ cfe/trunk/test/CodeGenOpenCL/partial_initializer.cl Mon Oct 31 05:26:31 2016 @@ -24,7 +24,7 @@ int4 GV1 = (int4)((int2)(1,2),3,4); // CHECK: @GV2 = addrspace(1) global <4 x i32> <i32 1, i32 1, i32 1, i32 1>, align 16 int4 GV2 = (int4)(1); -// CHECK: @f.S = private unnamed_addr constant %struct.StrucTy { i32 1, i32 2, i32 0 }, align 4 +// CHECK: @f.S = private unnamed_addr addrspace(2) constant %struct.StrucTy { i32 1, i32 2, i32 0 }, align 4 // CHECK-LABEL: define spir_func void @f() void f(void) { @@ -46,7 +46,7 @@ void f(void) { float A[6][6] = {1.0f, 2.0f}; // CHECK: %[[v5:.*]] = bitcast %struct.StrucTy* %S to i8* - // CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %[[v5]], i8* bitcast (%struct.StrucTy* @f.S to i8*), i32 12, i32 4, i1 false) + // CHECK: call void @llvm.memcpy.p0i8.p2i8.i32(i8* %[[v5]], i8 addrspace(2)* bitcast (%struct.StrucTy addrspace(2)* @f.S to i8 addrspace(2)*), i32 12, i32 4, i1 false) StrucTy S = {1, 2}; // CHECK: store <2 x i32> <i32 1, i32 2>, <2 x i32>* %[[compoundliteral1]], align 8 Added: cfe/trunk/test/CodeGenOpenCL/private-array-initialization.cl URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenOpenCL/private-array-initialization.cl?rev=285557&view=auto ============================================================================== --- cfe/trunk/test/CodeGenOpenCL/private-array-initialization.cl (added) +++ cfe/trunk/test/CodeGenOpenCL/private-array-initialization.cl Mon Oct 31 05:26:31 2016 @@ -0,0 +1,9 @@ +// RUN: %clang_cc1 %s -triple spir-unknown-unknown -O0 -emit-llvm -o - | FileCheck %s + +// CHECK: @test.arr = private unnamed_addr addrspace(2) constant [3 x i32] [i32 1, i32 2, i32 3], align 4 + +void test() { + __private int arr[] = {1, 2, 3}; +// CHECK: %[[arr_i8_ptr:[0-9]+]] = bitcast [3 x i32]* %arr to i8* +// CHECK: call void @llvm.memcpy.p0i8.p2i8.i32(i8* %[[arr_i8_ptr]], i8 addrspace(2)* bitcast ([3 x i32] addrspace(2)* @test.arr to i8 addrspace(2)*), i32 12, i32 4, i1 false) +} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
