jhuber6 updated this revision to Diff 401716.
jhuber6 added a comment.
Changing to use default `protected` instead of passing `-Bsymbolic` this should
be more portable and make the intentions clearer.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D117806/new/
https://reviews.llvm.org/D117806
Files:
clang/lib/AST/Decl.cpp
clang/test/OpenMP/declare_target_codegen.cpp
clang/test/OpenMP/nvptx_declare_target_var_ctor_dtor_codegen.cpp
clang/test/OpenMP/nvptx_target_pure_deleted_codegen.cpp
clang/test/OpenMP/nvptx_unsupported_type_codegen.cpp
clang/test/OpenMP/target_attribute_convergent.cpp
Index: clang/test/OpenMP/target_attribute_convergent.cpp
===================================================================
--- clang/test/OpenMP/target_attribute_convergent.cpp
+++ clang/test/OpenMP/target_attribute_convergent.cpp
@@ -9,5 +9,5 @@
#pragma omp end declare target
// CHECK: Function Attrs: {{.*}}convergent{{.*}}
-// CHECK: define hidden void @_Z3foov() [[ATTRIBUTE_NUMBER:#[0-9]+]]
+// CHECK: define protected void @_Z3foov() [[ATTRIBUTE_NUMBER:#[0-9]+]]
// CHECK: attributes [[ATTRIBUTE_NUMBER]] = { {{.*}}convergent{{.*}} }
Index: clang/test/OpenMP/nvptx_unsupported_type_codegen.cpp
===================================================================
--- clang/test/OpenMP/nvptx_unsupported_type_codegen.cpp
+++ clang/test/OpenMP/nvptx_unsupported_type_codegen.cpp
@@ -34,18 +34,18 @@
#pragma omp declare target
T a = T();
T f = a;
-// CHECK: define{{ hidden | }}void @{{.+}}foo{{.+}}([[T]]* noundef byval([[T]]) align {{.+}})
+// CHECK: define{{ protected | }}void @{{.+}}foo{{.+}}([[T]]* noundef byval([[T]]) align {{.+}})
void foo(T a = T()) {
return;
}
-// CHECK: define{{ hidden | }}[6 x i64] @{{.+}}bar{{.+}}()
+// CHECK: define{{ protected | }}[6 x i64] @{{.+}}bar{{.+}}()
T bar() {
// CHECK: bitcast [[T]]* %{{.+}} to [6 x i64]*
// CHECK-NEXT: load [6 x i64], [6 x i64]* %{{.+}},
// CHECK-NEXT: ret [6 x i64]
return T();
}
-// CHECK: define{{ hidden | }}void @{{.+}}baz{{.+}}()
+// CHECK: define{{ protected | }}void @{{.+}}baz{{.+}}()
void baz() {
// CHECK: call [6 x i64] @{{.+}}bar{{.+}}()
// CHECK-NEXT: bitcast [[T]]* %{{.+}} to [6 x i64]*
@@ -54,17 +54,17 @@
}
T1 a1 = T1();
T1 f1 = a1;
-// CHECK: define{{ hidden | }}void @{{.+}}foo1{{.+}}([[T1]]* noundef byval([[T1]]) align {{.+}})
+// CHECK: define{{ protected | }}void @{{.+}}foo1{{.+}}([[T1]]* noundef byval([[T1]]) align {{.+}})
void foo1(T1 a = T1()) {
return;
}
-// CHECK: define{{ hidden | }}[[T1]] @{{.+}}bar1{{.+}}()
+// CHECK: define{{ protected | }}[[T1]] @{{.+}}bar1{{.+}}()
T1 bar1() {
// CHECK: load [[T1]], [[T1]]*
// CHECK-NEXT: ret [[T1]]
return T1();
}
-// CHECK: define{{ hidden | }}void @{{.+}}baz1{{.+}}()
+// CHECK: define{{ protected | }}void @{{.+}}baz1{{.+}}()
void baz1() {
// CHECK: call [[T1]] @{{.+}}bar1{{.+}}()
T1 t = bar1();
Index: clang/test/OpenMP/nvptx_target_pure_deleted_codegen.cpp
===================================================================
--- clang/test/OpenMP/nvptx_target_pure_deleted_codegen.cpp
+++ clang/test/OpenMP/nvptx_target_pure_deleted_codegen.cpp
@@ -10,8 +10,8 @@
#define HEADER
// CHECK-NOT: class_type_info
-// CHECK-DAG: @_ZTV7Derived = linkonce_odr hidden unnamed_addr constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* null, i8* bitcast (void (%class.Derived*)* @_ZN7Derived3fooEv to i8*)] }
-// CHECK-DAG: @_ZTV4Base = linkonce_odr hidden unnamed_addr constant { [3 x i8*] } zeroinitializer
+// CHECK-DAG: @_ZTV7Derived = linkonce_odr protected unnamed_addr constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* null, i8* bitcast (void (%class.Derived*)* @_ZN7Derived3fooEv to i8*)] }
+// CHECK-DAG: @_ZTV4Base = linkonce_odr protected unnamed_addr constant { [3 x i8*] } zeroinitializer
// CHECK-NOT: class_type_info
class Base {
public:
Index: clang/test/OpenMP/nvptx_declare_target_var_ctor_dtor_codegen.cpp
===================================================================
--- clang/test/OpenMP/nvptx_declare_target_var_ctor_dtor_codegen.cpp
+++ clang/test/OpenMP/nvptx_declare_target_var_ctor_dtor_codegen.cpp
@@ -16,9 +16,9 @@
// SIMD-ONLY-NOT: {{__kmpc|__tgt}}
// DEVICE-DAG: [[C_ADDR:.+]] = internal global i32 0,
-// DEVICE-DAG: [[CD_ADDR:@.+]] ={{ hidden | }}global %struct.S zeroinitializer,
+// DEVICE-DAG: [[CD_ADDR:@.+]] ={{ protected | }}global %struct.S zeroinitializer,
// HOST-DAG: @[[C_ADDR:.+]] = internal global i32 0,
-// HOST-DAG: @[[CD_ADDR:.+]] ={{( hidden | dso_local)?}} global %struct.S zeroinitializer,
+// HOST-DAG: @[[CD_ADDR:.+]] ={{( protected | dso_local)?}} global %struct.S zeroinitializer,
#pragma omp declare target
int foo() { return 0; }
@@ -34,12 +34,12 @@
#pragma omp declare target (bar)
int caz() { return 0; }
-// DEVICE-DAG: define{{ hidden | }}noundef i32 [[FOO:@.*foo.*]]()
-// DEVICE-DAG: define{{ hidden | }}noundef i32 [[BAR:@.*bar.*]]()
-// DEVICE-DAG: define{{ hidden | }}noundef i32 [[BAZ:@.*baz.*]]()
-// DEVICE-DAG: define{{ hidden | }}noundef i32 [[DOO:@.*doo.*]]()
-// DEVICE-DAG: define{{ hidden | }}noundef i32 [[CAR:@.*car.*]]()
-// DEVICE-DAG: define{{ hidden | }}noundef i32 [[CAZ:@.*caz.*]]()
+// DEVICE-DAG: define{{ protected | }}noundef i32 [[FOO:@.*foo.*]]()
+// DEVICE-DAG: define{{ protected | }}noundef i32 [[BAR:@.*bar.*]]()
+// DEVICE-DAG: define{{ protected | }}noundef i32 [[BAZ:@.*baz.*]]()
+// DEVICE-DAG: define{{ protected | }}noundef i32 [[DOO:@.*doo.*]]()
+// DEVICE-DAG: define{{ protected | }}noundef i32 [[CAR:@.*car.*]]()
+// DEVICE-DAG: define{{ protected | }}noundef i32 [[CAZ:@.*caz.*]]()
static int c = foo() + bar() + baz();
#pragma omp declare target (c)
Index: clang/test/OpenMP/declare_target_codegen.cpp
===================================================================
--- clang/test/OpenMP/declare_target_codegen.cpp
+++ clang/test/OpenMP/declare_target_codegen.cpp
@@ -26,26 +26,25 @@
// CHECK-NOT: define {{.*}}{{baz1|baz4|maini1|Base|virtual_}}
// CHECK-DAG: Bake
// CHECK-NOT: @{{hhh|ggg|fff|eee}} =
-// CHECK-DAG: @flag = global i8 undef,
+// CHECK-DAG: @flag = protected global i8 undef,
// CHECK-DAG: @aaa = external global i32,
-// CHECK-DAG: @bbb = global i32 0,
+// CHECK-DAG: @bbb ={{ protected | }}global i32 0,
// CHECK-DAG: weak constant %struct.__tgt_offload_entry { i8* bitcast (i32* @bbb to i8*),
// CHECK-DAG: @ccc = external global i32,
-// CHECK-DAG: @ddd = global i32 0,
+// CHECK-DAG: @ddd ={{ protected | }}global i32 0,
// CHECK-DAG: @hhh_decl_tgt_ref_ptr = weak global i32* null
// CHECK-DAG: @ggg_decl_tgt_ref_ptr = weak global i32* null
// CHECK-DAG: @fff_decl_tgt_ref_ptr = weak global i32* null
// CHECK-DAG: @eee_decl_tgt_ref_ptr = weak global i32* null
// CHECK-DAG: @{{.*}}maini1{{.*}}aaa = internal global i64 23,
// CHECK-DAG: @pair = {{.*}}addrspace(3) global %struct.PAIR undef
-// CHECK-DAG: @_ZN2SS3SSSE = global i32 1,
-// CHECK-DAG: @b = global i32 15,
-// CHECK-DAG: @d = global i32 0,
+// CHECK-DAG: @b ={{ protected | }}global i32 15,
+// CHECK-DAG: @d ={{ protected | }}global i32 0,
// CHECK-DAG: @c = external global i32,
-// CHECK-DAG: @globals = global %struct.S zeroinitializer,
+// CHECK-DAG: @globals ={{ protected | }}global %struct.S zeroinitializer,
// CHECK-DAG: [[STAT:@.+stat]] = internal global %struct.S zeroinitializer,
// CHECK-DAG: [[STAT_REF:@.+]] = internal constant %struct.S* [[STAT]]
-// CHECK-DAG: @out_decl_target = global i32 0,
+// CHECK-DAG: @out_decl_target ={{ protected | }}global i32 0,
// CHECK-DAG: @llvm.used = appending global [2 x i8*] [i8* bitcast (void ()* @__omp_offloading__{{.+}}_globals_l[[@LINE+84]]_ctor to i8*), i8* bitcast (void ()* @__omp_offloading__{{.+}}_stat_l[[@LINE+85]]_ctor to i8*)],
// CHECK-DAG: @llvm.compiler.used = appending global [1 x i8*] [i8* bitcast (%struct.S** [[STAT_REF]] to i8*)],
@@ -284,11 +283,4 @@
X->emitted();
}
#pragma omp end declare target
-
-struct SS {
-#pragma omp declare target
- static int SSS;
-#pragma omp end declare target
-};
-int SS::SSS = 1;
#endif
Index: clang/lib/AST/Decl.cpp
===================================================================
--- clang/lib/AST/Decl.cpp
+++ clang/lib/AST/Decl.cpp
@@ -787,10 +787,6 @@
// Note that we don't want to make the variable non-external
// because of this, but unique-external linkage suits us.
- // We need variables inside OpenMP declare target directives to be visible.
- if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(Var))
- return LinkageInfo::external();
-
if (Context.getLangOpts().CPlusPlus && !isFirstInExternCContext(Var) &&
!IgnoreVarTypeLinkage) {
LinkageInfo TypeLV = getLVForType(*Var->getType(), computation);
@@ -917,9 +913,9 @@
if (!isExternallyVisible(LV.getLinkage()))
return LinkageInfo(LV.getLinkage(), DefaultVisibility, false);
- // Mark the symbols as hidden when compiling for the device.
+ // Mark the symbols as protected when compiling for the device.
if (Context.getLangOpts().OpenMP && Context.getLangOpts().OpenMPIsDevice)
- LV.mergeVisibility(HiddenVisibility, /*newExplicit=*/false);
+ LV.mergeVisibility(ProtectedVisibility, /*newExplicit=*/false);
return LV;
}
@@ -1075,11 +1071,6 @@
// Finally, merge in information from the class.
LV.mergeMaybeWithVisibility(classLV, considerClassVisibility);
- // We need variables inside OpenMP declare target directives to be visible.
- if (const VarDecl *VD = dyn_cast<VarDecl>(D))
- if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD))
- return LinkageInfo(LV.getLinkage(), DefaultVisibility, false);
-
return LV;
}
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