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[OpenCL] Variables in the constant address space must be initialized.

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llvm-svn: 198417
This commit is contained in:
Joey Gouly 2014-01-03 14:16:55 +00:00
parent 5dff61d322
commit 96b94e610b
5 changed files with 30 additions and 16 deletions
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2
clang/include/clang/Basic/DiagnosticSemaKinds.td
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@ -6714,6 +6714,8 @@ def err_opencl_global_invalid_addr_space : Error<
def err_opencl_no_main : Error<"%select{function|kernel}0 cannot be called 'main'">;
def err_opencl_kernel_attr :
Error<"attribute %0 can only be applied to a kernel function">;
def err_opencl_constant_no_init : Error<
"variable in constant address space must be initialized">;
} // end of sema category
let CategoryName = "OpenMP Issue" in {

10
clang/lib/Sema/SemaDecl.cpp
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@ -8589,6 +8589,16 @@ void Sema::ActOnUninitializedDecl(Decl *RealDecl,
return;
}
// OpenCL v1.1 s6.5.3: variables declared in the constant address space must
// be initialized.
if (!Var->isInvalidDecl() &&
Var->getType().getAddressSpace() == LangAS::opencl_constant &&
!Var->getInit()) {
Diag(Var->getLocation(), diag::err_opencl_constant_no_init);
Var->setInvalidDecl();
return;
}
switch (Var->isThisDeclarationADefinition()) {
case VarDecl::Definition:
if (!Var->isStaticDataMember() || !Var->getAnyInitializer())

26
clang/test/Misc/languageOptsOpenCL.cl
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@ -3,17 +3,19 @@
// Test the forced language options for OpenCL are set correctly.
__constant int v0[(sizeof(int) == 4) -1];
__constant int v1[(__alignof(int) == 4) -1];
__constant int v2[(sizeof(long) == 8) -1];
__constant int v3[(__alignof(long) == 8) -1];
__constant int v4[(sizeof(long long) == 16) -1];
__constant int v5[(__alignof(long long) == 16) -1];
__constant int v6[(sizeof(float) == 4) -1];
__constant int v7[(__alignof(float) == 4) -1];
kernel void test() {
int v0[(sizeof(int) == 4) - 1];
int v1[(__alignof(int)== 4) - 1];
int v2[(sizeof(long) == 8) - 1];
int v3[(__alignof(long)== 8) - 1];
int v4[(sizeof(long long) == 16) - 1];
int v5[(__alignof(long long)== 16) - 1];
int v6[(sizeof(float) == 4) - 1];
int v7[(__alignof(float)== 4) - 1];
#pragma OPENCL EXTENSION cl_khr_fp64 : enable
__constant int v8[(sizeof(double)==8) -1];
__constant int v9[(__alignof(double)==8) -1];
int v8[(sizeof(double) == 8) - 1];
int v9[(__alignof(double)== 8) - 1];
#pragma OPENCL EXTENSION cl_khr_fp16 : enable
__constant int v10[(sizeof(half) == 2) -1];
__constant int v11[(__alignof(half) == 2) -1];
int v10[(sizeof(half) == 2) - 1];
int v11[(__alignof(half) == 2) - 1];
}

2
clang/test/SemaOpenCL/event_t.cl
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@ -4,7 +4,7 @@ event_t glb_evt; // expected-error {{the event_t type cannot be used to declare
constant struct evt_s {
event_t evt; // expected-error {{the event_t type cannot be used to declare a structure or union field}}
} evt_str;
} evt_str = {0};
void foo(event_t evt); // expected-note {{passing argument to parameter 'evt' here}}

6
clang/test/SemaOpenCL/invalid-kernel-attrs.cl
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@ -20,11 +20,11 @@ __attribute__((work_group_size_hint(8,16,32))) void kernel9(){} // expected-erro
__attribute__((vec_type_hint(char))) void kernel10(){} // expected-error {{attribute 'vec_type_hint' can only be applied to a kernel}}
constant int foo1 __attribute__((reqd_work_group_size(8,16,32))); // expected-error {{'reqd_work_group_size' attribute only applies to functions}}
constant int foo1 __attribute__((reqd_work_group_size(8,16,32))) = 0; // expected-error {{'reqd_work_group_size' attribute only applies to functions}}
constant int foo2 __attribute__((work_group_size_hint(8,16,32))); // expected-error {{'work_group_size_hint' attribute only applies to functions}}
constant int foo2 __attribute__((work_group_size_hint(8,16,32))) = 0; // expected-error {{'work_group_size_hint' attribute only applies to functions}}
constant int foo3 __attribute__((vec_type_hint(char))); // expected-error {{'vec_type_hint' attribute only applies to functions}}
constant int foo3 __attribute__((vec_type_hint(char))) = 0; // expected-error {{'vec_type_hint' attribute only applies to functions}}
void f_kernel_image2d_t( kernel image2d_t image ) { // expected-error {{'kernel' attribute only applies to functions}}
int __kernel x; // expected-error {{'__kernel' attribute only applies to functions}}