[clang] Replace "can't" and "can not" in diagnostics with "cannot" (#116623)

See
https://discourse.llvm.org/t/cant-cannot-can-not-in-diagnostic-messages/83171

Author: kparzysz

clang/include/clang/Basic/DiagnosticCommonKinds.td

@@ -364,9 +364,9 @@ def err_target_unsupported_abi_with_fpu : Error<
 
 def err_ppc_impossible_musttail: Error<
   "'musttail' attribute for this call is impossible because %select{"
-  "long calls can not be tail called on PPC|"
-  "indirect calls can not be tail called on PPC|"
-  "external calls can not be tail called on PPC}0"
+  "long calls cannot be tail called on PPC|"
+  "indirect calls cannot be tail called on PPC|"
+  "external calls cannot be tail called on PPC}0"
   >;
 def err_aix_musttail_unsupported: Error<
   "'musttail' attribute is not supported on AIX">;

clang/include/clang/Basic/DiagnosticDriverKinds.td

@@ -553,7 +553,7 @@ def err_test_module_file_extension_format : Error<
   "'blockname:major:minor:hashed:user info'">;
 
 def err_drv_module_output_with_multiple_arch : Error<
-  "option '-fmodule-output' can't be used with multiple arch options">;
+  "option '-fmodule-output' cannot be used with multiple arch options">;
 
 def warn_drv_delayed_template_parsing_after_cxx20 : Warning<
   "-fdelayed-template-parsing is deprecated after C++20">,

clang/include/clang/Basic/DiagnosticRefactoringKinds.td

@@ -14,7 +14,7 @@ let Component = "Refactoring" in {
 
 let CategoryName = "Refactoring Invocation Issue" in {
 
-def err_refactor_no_selection : Error<"refactoring action can't be initiated "
+def err_refactor_no_selection : Error<"refactoring action cannot be initiated "
   "without a selection">;
 def err_refactor_selection_no_symbol : Error<"there is no symbol at the given "
   "location">;
@@ -26,7 +26,7 @@ def err_refactor_code_outside_of_function : Error<"the selected code is not a "
 def err_refactor_extract_simple_expression : Error<"the selected expression "
   "is too simple to extract">;
 def err_refactor_extract_prohibited_expression : Error<"the selected "
-  "expression can't be extracted">;
+  "expression cannot be extracted">;
 
 }
 

clang/include/clang/Basic/DiagnosticSemaKinds.td

@@ -1151,7 +1151,7 @@ def err_pragma_attribute_matcher_subrule_contradicts_rule : Error<
 def err_pragma_attribute_matcher_negated_subrule_contradicts_subrule : Error<
   "negated attribute subject matcher sub-rule '%0' contradicts sub-rule '%1'">;
 def err_pragma_attribute_invalid_matchers : Error<
-  "attribute %0 can't be applied to %1">;
+  "attribute %0 cannot be applied to %1">;
 def err_pragma_attribute_stack_mismatch : Error<
   "'#pragma clang attribute %select{%1.|}0pop' with no matching"
   " '#pragma clang attribute %select{%1.|}0push'">;
@@ -6150,7 +6150,7 @@ def err_mismatched_owning_module : Error<
   "declaration of %0 in %select{the global module|module %2}1 follows "
   "declaration in %select{the global module|module %4}3">;
 def err_multiple_decl_in_different_modules : Error<
-  "declaration %0 attached to named module '%1' can't be attached to "
+  "declaration %0 attached to named module '%1' cannot be attached to "
   "other modules">;
 def err_redefinition_different_type : Error<
   "redefinition of %0 with a different type%diff{: $ vs $|}1,2">;
@@ -8560,7 +8560,7 @@ def err_typecheck_missing_return_type_incompatible : Error<
   "literal|lambda expression}2 has unspecified explicit return type">;
 
 def note_incomplete_class_and_qualified_id : Note<
-  "conformance of forward class %0 to protocol %1 can not be confirmed">;
+  "conformance of forward class %0 to protocol %1 cannot be confirmed">;
 def warn_incompatible_qualified_id : Warning<
   "%select{%diff{assigning to $ from incompatible type $|"
   "assigning to type from incompatible type}0,1"
@@ -9414,7 +9414,7 @@ let CategoryName = "Inline Assembly Issue" in {
     "asm constraint has an unexpected number of alternatives: %0 vs %1">;
   def err_asm_incomplete_type : Error<"asm operand has incomplete type %0">;
   def err_asm_unknown_register_name : Error<"unknown register name '%0' in asm">;
-  def err_asm_unwind_and_goto : Error<"unwind clobber can't be used with asm goto">;
+  def err_asm_unwind_and_goto : Error<"unwind clobber cannot be used with asm goto">;
   def err_asm_invalid_global_var_reg : Error<"register '%0' unsuitable for "
     "global register variables on this target">;
   def err_asm_register_size_mismatch : Error<"size of register '%0' does not "
@@ -9433,7 +9433,7 @@ let CategoryName = "Inline Assembly Issue" in {
   def err_asm_input_duplicate_match : Error<
     "more than one input constraint matches the same output '%0'">;
   def err_store_value_to_reg : Error<
-    "impossible constraint in asm: can't store value into a register">;
+    "impossible constraint in asm: cannot store value into a register">;
 
   def warn_asm_label_on_auto_decl : Warning<
     "ignored asm label '%0' on automatic variable">;
@@ -10960,7 +10960,7 @@ def err_opencl_builtin_pipe_invalid_access_modifier : Error<
 def err_opencl_invalid_access_qualifier : Error<
   "access qualifier can only be used for pipe and image type">;
 def err_opencl_invalid_read_write : Error<
-  "access qualifier %0 can not be used for %1 %select{|prior to OpenCL C version 2.0 or in version 3.0 "
+  "access qualifier %0 cannot be used for %1 %select{|prior to OpenCL C version 2.0 or in version 3.0 "
   "and without __opencl_c_read_write_images feature}2">;
 def err_opencl_multiple_access_qualifiers : Error<
   "multiple access qualifiers">;
@@ -11460,7 +11460,7 @@ def err_omp_wrong_linear_modifier : Error<
 def err_omp_wrong_linear_modifier_non_reference : Error<
   "variable of non-reference type %0 can be used only with 'val' modifier, but used with '%1'">;
 def err_omp_step_simple_modifier_exclusive : Error<
-  "step simple modifier is exclusive and can't be use with 'val', 'uval' or 'ref' modifier">;
+  "step simple modifier is exclusive and cannot be use with 'val', 'uval' or 'ref' modifier">;
 def err_omp_wrong_simdlen_safelen_values : Error<
   "the value of 'simdlen' parameter must be less than or equal to the value of the 'safelen' parameter">;
 def err_omp_wrong_if_directive_name_modifier : Error<
@@ -11534,7 +11534,7 @@ def err_omp_schedule_nonmonotonic_static : Error<
 def err_omp_simple_clause_incompatible_with_ordered : Error<
   "'%0' clause with '%1' modifier cannot be specified if an 'ordered' clause is specified">;
 def err_omp_ordered_simd : Error<
-  "'ordered' clause with a parameter can not be specified in '#pragma omp %0' directive">;
+  "'ordered' clause with a parameter cannot be specified in '#pragma omp %0' directive">;
 def err_omp_variable_in_given_clause_and_dsa : Error<
   "%0 variable cannot be in a %1 clause in '#pragma omp %2' directive">;
 def err_omp_param_or_this_in_clause : Error<

clang/test/CodeGen/PowerPC/musttail-forward-declaration-inline.c

@@ -3,7 +3,7 @@
 
 inline int func2(int i);
 int external_call2(int i) {
-  // expected-error@+1 {{'musttail' attribute for this call is impossible because external calls can not be tail called on PPC}}
+  // expected-error@+1 {{'musttail' attribute for this call is impossible because external calls cannot be tail called on PPC}}
   [[clang::musttail]] return func2(i);
 }
 

clang/test/CodeGen/PowerPC/musttail-forward-declaration-weak.c

@@ -3,7 +3,7 @@
 
 int func2(int i);
 int external_call2(int i) {
-  // expected-error@+1 {{'musttail' attribute for this call is impossible because external calls can not be tail called on PPC}}
+  // expected-error@+1 {{'musttail' attribute for this call is impossible because external calls cannot be tail called on PPC}}
   [[clang::musttail]] return func2(i);
 }
 

clang/test/CodeGen/PowerPC/musttail-indirect.cpp

@@ -3,6 +3,6 @@
 
 void name(int *params) {
   auto fn = (void (*)(int *))1;
-  // expected-error@+1 {{'musttail' attribute for this call is impossible because indirect calls can not be tail called on PPC}}
+  // expected-error@+1 {{'musttail' attribute for this call is impossible because indirect calls cannot be tail called on PPC}}
   [[clang::musttail]] return fn(params);
 }

clang/test/CodeGen/PowerPC/musttail-inline.c

@@ -7,6 +7,6 @@ inline int foo(int x) {
 
 int bar(int x)
 {
-  // expected-error@+1 {{'musttail' attribute for this call is impossible because external calls can not be tail called on PPC}}
+  // expected-error@+1 {{'musttail' attribute for this call is impossible because external calls cannot be tail called on PPC}}
   [[clang::musttail]] return foo(1);
 }

clang/test/CodeGen/PowerPC/musttail-undefined.c

@@ -5,6 +5,6 @@ int foo(int x);
 
 int bar(int x)
 {
-  // expected-error@+1 {{'musttail' attribute for this call is impossible because external calls can not be tail called on PPC}}
+  // expected-error@+1 {{'musttail' attribute for this call is impossible because external calls cannot be tail called on PPC}}
   [[clang::musttail]] return foo(x);
 }

clang/test/CodeGen/PowerPC/musttail-weak.c

@@ -7,7 +7,7 @@ __attribute__((weak)) int func2(int i) {
   return 0;
 }
 int external_call2(int i) {
-  // linux-error@+2 {{'musttail' attribute for this call is impossible because external calls can not be tail called on PPC}}
+  // linux-error@+2 {{'musttail' attribute for this call is impossible because external calls cannot be tail called on PPC}}
   // aix-error@+1 {{'musttail' attribute is not supported on AIX}}
   [[clang::musttail]] return func2(i);
 }

clang/test/CodeGen/PowerPC/musttail.c

@@ -14,7 +14,7 @@ int foo(int x) {
 int bar(int x)
 {
   // good-no-diagnostics
-  // longcall-error@+2 {{'musttail' attribute for this call is impossible because long calls can not be tail called on PPC}}
+  // longcall-error@+2 {{'musttail' attribute for this call is impossible because long calls cannot be tail called on PPC}}
   // aix-error@+1 {{'musttail' attribute is not supported on AIX}}
  [[clang::musttail]] return foo(1);
 }

clang/test/CodeGen/X86/x86_64-PR42672.c

@@ -58,7 +58,7 @@ void odd_struct(void) {
       : "=r"(str));
 #endif
 }
-// CHECK-IMPOSSIBLE_ODD: impossible constraint in asm: can't store value into a register
+// CHECK-IMPOSSIBLE_ODD: impossible constraint in asm: cannot store value into a register
 
 // Check Clang reports an error if attempting to return a big structure via a register.
 void big_struct(void) {
@@ -70,7 +70,7 @@ void big_struct(void) {
       : "=r"(str));
 #endif
 }
-// CHECK-IMPOSSIBLE_BIG: impossible constraint in asm: can't store value into a register
+// CHECK-IMPOSSIBLE_BIG: impossible constraint in asm: cannot store value into a register
 
 // Clang is able to emit LLVM IR for an 16-byte structure.
 void x_constraint_fit(void) {
@@ -103,7 +103,7 @@ void x_constraint_nofit(void) {
 
 // http://crbug.com/999160
 // Clang used to report the following message:
-//   "impossible constraint in asm: can't store struct into a register"
+//   "impossible constraint in asm: cannot store struct into a register"
 // for the assembly directive below, although there's no struct.
 void crbug_999160_regtest(void) {
 #ifdef IMPOSSIBLE_9BYTES
@@ -113,12 +113,12 @@ void crbug_999160_regtest(void) {
 #endif
 }
 
-// CHECK-IMPOSSIBLE_9BYTES: impossible constraint in asm: can't store value into a register
+// CHECK-IMPOSSIBLE_9BYTES: impossible constraint in asm: cannot store value into a register
 
 void crbug_999160_regtest_v2(void) {
 #ifdef IMPOSSIBLE_9BYTES_V2
   char buf[9];
   asm("" : "=r"(buf) : "0"(buf));
 #endif
 }
-// CHECK-IMPOSSIBLE_9BYTES_V2: impossible constraint in asm: can't store value into a register
+// CHECK-IMPOSSIBLE_9BYTES_V2: impossible constraint in asm: cannot store value into a register

clang/test/Driver/module-output.cppm

@@ -42,7 +42,7 @@ export module Hello;
 // CHECK: "-emit-module-interface" {{.*}}"-main-file-name" "Hello.cppm" {{.*}}"-o" "{{.*}}/output/Hello.pcm" "-x" "c++" "{{.*}}/Hello.cppm"
 // CHECK: "-emit-obj" {{.*}}"-main-file-name" "Hello.cppm" {{.*}}"-o" "{{.*}}/output/Hello.o" "-x" "pcm" "{{.*}}/output/Hello.pcm"
 
-// MULTIPLE-ARCH: option '-fmodule-output' can't be used with multiple arch options
+// MULTIPLE-ARCH: option '-fmodule-output' cannot be used with multiple arch options
 
 // CHECK-SPECIFIED: "-emit-module-interface" {{.*}}"-main-file-name" "Hello.cppm" {{.*}}"-o" "{{.*}}/pcm/Hello.pcm" "-x" "c++" "{{.*}}/Hello.cppm"
 // CHECK-SPECIFIED: "-emit-obj" {{.*}}"-main-file-name" "Hello.cppm" {{.*}}"-o" "{{.*}}/Hello.o" "-x" "pcm" "{{.*}}/pcm/Hello.pcm"

clang/test/Misc/pragma-attribute-strict-subjects.c

@@ -51,7 +51,7 @@ struct testRecoverStrictnessStruct { };
 #pragma clang attribute pop
 
 #pragma clang attribute push (__attribute__((abi_tag("a"))), apply_to = any(function, record(unless(is_union)), variable, enum))
-// expected-error@-1 {{attribute 'abi_tag' can't be applied to 'enum'}}
+// expected-error@-1 {{attribute 'abi_tag' cannot be applied to 'enum'}}
 
 int testRecoverExtraVar = 0;
 // CHECK-LABEL: VarDecl{{.*}} testRecoverExtraVar
@@ -188,7 +188,7 @@ struct testSubset7Struct { };
 
 
 #pragma clang attribute push (__attribute__((abi_tag("a"))), apply_to = any(record(unless(is_union)), function, variable, enum, enum_constant))
-// expected-error@-1 {{attribute 'abi_tag' can't be applied to 'enum_constant', and 'enum'}}
+// expected-error@-1 {{attribute 'abi_tag' cannot be applied to 'enum_constant', and 'enum'}}
 
 int testSubsetRecoverVar;
 // CHECK-LABEL: VarDecl{{.*}} testSubsetRecoverVar
@@ -205,7 +205,7 @@ struct testSubsetRecoverStruct { };
 #pragma clang attribute pop
 
 #pragma clang attribute push (__attribute__((abi_tag("a"))), apply_to = enum)
-// expected-error@-1 {{attribute 'abi_tag' can't be applied to 'enum'}}
+// expected-error@-1 {{attribute 'abi_tag' cannot be applied to 'enum'}}
 
 int testSubsetNoVar;
 // CHECK-LABEL: VarDecl{{.*}} testSubsetNoVar

clang/test/Modules/no-eager-load.cppm

@@ -44,7 +44,7 @@ void use() {
            // expected-note@* {{but in 'a' found a different body}}
 }
 
-// [email protected]:* {{declaration 'foo' attached to named module 'a' can't be attached to other modules}}
+// [email protected]:* {{declaration 'foo' attached to named module 'a' cannot be attached to other modules}}
 // [email protected]:* {{}}
 
 //--- h.cppm
@@ -59,5 +59,5 @@ void use() {
            // expected-note@* {{but in 'a' found a different body}}
 }
 
-// [email protected]:* {{declaration 'foo' attached to named module 'a' can't be attached to other modules}}
+// [email protected]:* {{declaration 'foo' attached to named module 'a' cannot be attached to other modules}}
 // [email protected]:* {{}}

clang/test/Modules/same-decl-in-different-modules.cppm

@@ -32,11 +32,11 @@ void test() {
     S<int> s;
 }
 
-// [email protected]:* {{declaration 'v' attached to named module 'mod1' can't be attached to other modules}}
+// [email protected]:* {{declaration 'v' attached to named module 'mod1' cannot be attached to other modules}}
 // [email protected]:* {{}}
-// [email protected]:* {{declaration 'func' attached to named module 'mod1' can't be attached to other modules}}
+// [email protected]:* {{declaration 'func' attached to named module 'mod1' cannot be attached to other modules}}
 // [email protected]:* {{}}
-// [email protected]:* {{declaration 'A' attached to named module 'mod1' can't be attached to other modules}}
+// [email protected]:* {{declaration 'A' attached to named module 'mod1' cannot be attached to other modules}}
 // [email protected]:* {{}}
-// [email protected]:* 1+{{declaration 'S' attached to named module 'mod1' can't be attached to other modules}}
+// [email protected]:* 1+{{declaration 'S' attached to named module 'mod1' cannot be attached to other modules}}
 // [email protected]:* 1+{{}}

clang/test/OpenMP/for_simd_loop_messages.cpp

@@ -731,7 +731,7 @@ void test_ordered() {
   for (int i = 0; i < 16; ++i)
     ;
 #pragma omp parallel
-// expected-error@+1 {{'ordered' clause with a parameter can not be specified in '#pragma omp for simd' directive}}
+// expected-error@+1 {{'ordered' clause with a parameter cannot be specified in '#pragma omp for simd' directive}}
 #pragma omp for simd ordered(1)
   for (int i = 0; i < 16; ++i)
     ;

clang/test/OpenMP/masked_taskloop_simd_linear_messages.cpp

@@ -152,7 +152,7 @@ template<class I, class C> int foomain(I argc, C **argv) {
   #pragma omp masked taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k) ++k;
 #if defined(OMP52)
-  // omp52-error@+3{{step simple modifier is exclusive and can't be use with 'val', 'uval' or 'ref' modifier}}
+  // omp52-error@+3{{step simple modifier is exclusive and cannot be use with 'val', 'uval' or 'ref' modifier}}
   // expected-error@+2 {{linear variable with incomplete type 'S1'}}
   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
   #pragma omp masked taskloop simd linear (a, b: val, B::ib)

clang/test/OpenMP/master_taskloop_simd_linear_messages.cpp

@@ -152,7 +152,7 @@ template<class I, class C> int foomain(I argc, C **argv) {
   #pragma omp master taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k) ++k;
 #if defined(OMP52)
-  // omp52-error@+3{{step simple modifier is exclusive and can't be use with 'val', 'uval' or 'ref' modifier}}
+  // omp52-error@+3{{step simple modifier is exclusive and cannot be use with 'val', 'uval' or 'ref' modifier}}
   // expected-error@+2 {{linear variable with incomplete type 'S1'}}
   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
   #pragma omp master taskloop simd linear (a, b: val, B::ib)

clang/test/OpenMP/parallel_for_simd_loop_messages.cpp

@@ -638,7 +638,7 @@ void test_ordered() {
 #pragma omp parallel for simd ordered
   for (int i = 0; i < 16; ++i)
     ;
-//expected-error@+1 {{'ordered' clause with a parameter can not be specified in '#pragma omp parallel for simd' directive}}
+//expected-error@+1 {{'ordered' clause with a parameter cannot be specified in '#pragma omp parallel for simd' directive}}
 #pragma omp parallel for simd ordered(1)
   for (int i = 0; i < 16; ++i)
     ;

clang/test/OpenMP/parallel_for_simd_messages.cpp

@@ -94,7 +94,7 @@ void test_ordered() {
 #pragma omp parallel for simd ordered
   for (int i = 0; i < 16; ++i)
     ;
-// expected-error@+1 {{'ordered' clause with a parameter can not be specified in '#pragma omp parallel for simd' directive}}
+// expected-error@+1 {{'ordered' clause with a parameter cannot be specified in '#pragma omp parallel for simd' directive}}
 #pragma omp parallel for simd ordered(1)
   for (int i = 0; i < 16; ++i)
     ;

clang/test/OpenMP/parallel_masked_taskloop_simd_linear_messages.cpp

@@ -152,7 +152,7 @@ template<class I, class C> int foomain(I argc, C **argv) {
   #pragma omp parallel masked taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k) ++k;
 #if defined(OMP52)
-  // omp52-error@+3{{step simple modifier is exclusive and can't be use with 'val', 'uval' or 'ref' modifier}}
+  // omp52-error@+3{{step simple modifier is exclusive and cannot be use with 'val', 'uval' or 'ref' modifier}}
   // expected-error@+2 {{linear variable with incomplete type 'S1'}}
   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
   #pragma omp parallel masked taskloop simd linear (a, b: val, B::ib)

clang/test/OpenMP/parallel_master_taskloop_simd_linear_messages.cpp

@@ -152,7 +152,7 @@ template<class I, class C> int foomain(I argc, C **argv) {
   #pragma omp parallel master taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k) ++k;
 #if defined(OMP52)
-  // omp52-error@+3{{step simple modifier is exclusive and can't be use with 'val', 'uval' or 'ref' modifier}}
+  // omp52-error@+3{{step simple modifier is exclusive and cannot be use with 'val', 'uval' or 'ref' modifier}}
   // expected-error@+2 {{linear variable with incomplete type 'S1'}}
   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
   #pragma omp parallel master taskloop simd linear (a, b: val, B::ib)

clang/test/OpenMP/simd_linear_messages.cpp

@@ -142,7 +142,7 @@ template<class I, class C> int foomain(I argc, C **argv) {
   #pragma omp simd linear (S1) // expected-error {{'S1' does not refer to a value}}
   for (int k = 0; k < argc; ++k) ++k;
 #if defined(OMP52)
-  // omp52-error@+3{{step simple modifier is exclusive and can't be use with 'val', 'uval' or 'ref' modifier}}
+  // omp52-error@+3{{step simple modifier is exclusive and cannot be use with 'val', 'uval' or 'ref' modifier}}
   // expected-error@+2 {{linear variable with incomplete type 'S1'}}
   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
   #pragma omp simd linear (a, b: val, B::ib)