835cdcb919
s390x looks through pointers when determining the "externally visible vector ABI". For that reason, the test shows different behavior just on that platform. Adjust the test in the reverse direction of what I originall did: Make sure that the type behind the pointer is always queried, by dereferencing the pointer.
502 lines
17 KiB
C
502 lines
17 KiB
C
// RUN: rm -rf %t
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// RUN: split-file %s %t
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// Build first header file
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// RUN: echo "#define FIRST" >> %t/include/first.h
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// RUN: cat %t/test.c >> %t/include/first.h
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// RUN: echo "#undef FIRST" >> %t/include/first.h
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// Build second header file
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// RUN: echo "#define SECOND" >> %t/include/second.h
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// RUN: cat %t/test.c >> %t/include/second.h
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// RUN: echo "#undef SECOND" >> %t/include/second.h
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// Test that each header can compile
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// RUN: %clang_cc1 -fsyntax-only -x objective-c %t/include/first.h -fblocks -fobjc-arc
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// RUN: %clang_cc1 -fsyntax-only -x objective-c %t/include/second.h -fblocks -fobjc-arc
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// Run test
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// RUN: %clang_cc1 -I%t/include -verify %t/test.c -fblocks -fobjc-arc \
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// RUN: -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/modules.cache
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// Run tests for nested structs
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// DEFINE: %{filename} = test-nested-struct.c
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// DEFINE: %{macro_flag} = -DCASE1=1
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// DEFINE: %{command} = %clang_cc1 -I%t/include -verify %t/%{filename} -fblocks -fobjc-arc \
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// DEFINE: -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/modules.cache \
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// DEFINE: %{macro_flag} -emit-llvm -o %t/%{filename}.bc
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// RUN: %{command}
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// REDEFINE: %{macro_flag} = -DCASE2=1
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// RUN: %{command}
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// REDEFINE: %{macro_flag} = -DCASE3=1
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// RUN: %{command}
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// Run tests for anonymous nested structs and unions
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// REDEFINE: %{filename} = test-anonymous.c
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// REDEFINE: %{macro_flag} = -DCASE1=1
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// RUN: %{command}
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// REDEFINE: %{macro_flag} = -DCASE2=1
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// RUN: %{command}
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// REDEFINE: %{macro_flag} = -DCASE3=1
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// RUN: %{command}
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// Test that we don't accept different structs and unions with the same name
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// from multiple modules but detect mismatches and provide actionable
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// diagnostic.
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//--- include/first-empty.h
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//--- include/module.modulemap
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module First {
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module Empty {
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header "first-empty.h"
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}
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module Hidden {
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header "first.h"
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header "first-nested-struct.h"
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header "first-anonymous.h"
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export *
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}
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}
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module Second {
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header "second.h"
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header "second-nested-struct.h"
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header "second-anonymous.h"
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export *
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}
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//--- test.c
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#if !defined(FIRST) && !defined(SECOND)
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# include "first-empty.h"
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# include "second.h"
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#endif
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#if defined(FIRST)
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struct CompareForwardDeclaration1;
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struct CompareForwardDeclaration2 {};
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#elif defined(SECOND)
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struct CompareForwardDeclaration1 {};
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struct CompareForwardDeclaration2;
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#else
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struct CompareForwardDeclaration1 *compareForwardDeclaration1;
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struct CompareForwardDeclaration2 *compareForwardDeclaration2;
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#endif
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#if defined(FIRST)
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struct CompareMatchingFields {
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int matchingFieldName;
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};
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struct CompareFieldPresence1 {
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int fieldPresence1;
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};
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struct CompareFieldPresence2 {};
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struct CompareFieldName {
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int fieldNameA;
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};
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struct CompareFieldOrder {
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int fieldOrderX;
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int fieldOrderY;
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};
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#elif defined(SECOND)
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struct CompareMatchingFields {
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int matchingFieldName;
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};
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struct CompareFieldPresence1 {
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};
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struct CompareFieldPresence2 {
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int fieldPresence2;
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};
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struct CompareFieldName {
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int fieldNameB;
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};
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struct CompareFieldOrder {
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int fieldOrderY;
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int fieldOrderX;
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};
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#else
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struct CompareMatchingFields compareMatchingFields;
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struct CompareFieldPresence1 compareFieldPresence1;
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// expected-error@first.h:* {{'CompareFieldPresence1' has different definitions in different modules; first difference is definition in module 'First.Hidden' found field}}
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// expected-note@second.h:* {{but in 'Second' found end of class}}
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struct CompareFieldPresence2 compareFieldPresence2;
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// expected-error@second.h:* {{'CompareFieldPresence2::fieldPresence2' from module 'Second' is not present in definition of 'struct CompareFieldPresence2' in module 'First.Hidden'}}
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// expected-note@first.h:* {{definition has no member 'fieldPresence2'}}
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struct CompareFieldName compareFieldName;
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// expected-error@second.h:* {{'CompareFieldName::fieldNameB' from module 'Second' is not present in definition of 'struct CompareFieldName' in module 'First.Hidden'}}
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// expected-note@first.h:* {{definition has no member 'fieldNameB'}}
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struct CompareFieldOrder compareFieldOrder;
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// expected-error@first.h:* {{'CompareFieldOrder' has different definitions in different modules; first difference is definition in module 'First.Hidden' found field 'fieldOrderX'}}
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// expected-note@second.h:* {{but in 'Second' found field 'fieldOrderY'}}
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#endif
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#if defined(FIRST)
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struct CompareFieldType {
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int fieldType;
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};
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typedef int FieldTypedefNameA;
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struct CompareFieldTypedefName {
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FieldTypedefNameA fieldTypedefName;
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};
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typedef int TypedefUnderlyingType;
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struct CompareFieldTypeUnderlyingTypedef {
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TypedefUnderlyingType fieldTypeUnderlyingTypedef;
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};
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typedef int TypedefFinal;
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struct CompareFieldTypedefChain {
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TypedefFinal fieldTypeTypedefChain;
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};
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#elif defined(SECOND)
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struct CompareFieldType {
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float fieldType;
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};
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typedef int FieldTypedefNameB;
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struct CompareFieldTypedefName {
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FieldTypedefNameB fieldTypedefName;
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};
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struct CompareFieldTypeUnderlyingTypedef {
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int fieldTypeUnderlyingTypedef;
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};
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typedef int TypedefIntermediate;
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typedef TypedefIntermediate TypedefFinal;
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struct CompareFieldTypedefChain {
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TypedefFinal fieldTypeTypedefChain;
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};
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#else
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struct CompareFieldType compareFieldType;
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// expected-error@second.h:* {{'CompareFieldType::fieldType' from module 'Second' is not present in definition of 'struct CompareFieldType' in module 'First.Hidden'}}
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// expected-note@first.h:* {{declaration of 'fieldType' does not match}}
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struct CompareFieldTypedefName compareFieldTypedefName;
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// expected-error@first.h:* {{'CompareFieldTypedefName' has different definitions in different modules; first difference is definition in module 'First.Hidden' found field 'fieldTypedefName' with type 'FieldTypedefNameA' (aka 'int')}}
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// expected-note@second.h:* {{but in 'Second' found field 'fieldTypedefName' with type 'FieldTypedefNameB' (aka 'int')}}
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struct CompareFieldTypeUnderlyingTypedef compareFieldTypeUnderlyingTypedef;
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// expected-error@first.h:* {{'CompareFieldTypeUnderlyingTypedef' has different definitions in different modules; first difference is definition in module 'First.Hidden' found field 'fieldTypeUnderlyingTypedef' with type 'TypedefUnderlyingType' (aka 'int')}}
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// expected-note@second.h:* {{but in 'Second' found field 'fieldTypeUnderlyingTypedef' with type 'int'}}
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struct CompareFieldTypedefChain compareFieldTypedefChain;
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#endif
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#if defined(FIRST)
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struct CompareMatchingBitfields {
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unsigned matchingBitfields : 3;
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};
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struct CompareBitfieldPresence1 {
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unsigned bitfieldPresence1 : 1;
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};
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struct CompareBitfieldPresence2 {
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unsigned bitfieldPresence2;
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};
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struct CompareBitfieldWidth {
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unsigned bitfieldWidth : 2;
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};
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struct CompareBitfieldWidthExpression {
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unsigned bitfieldWidthExpression : 1 + 1;
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};
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#elif defined(SECOND)
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struct CompareMatchingBitfields {
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unsigned matchingBitfields : 3;
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};
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struct CompareBitfieldPresence1 {
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unsigned bitfieldPresence1;
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};
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struct CompareBitfieldPresence2 {
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unsigned bitfieldPresence2 : 1;
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};
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struct CompareBitfieldWidth {
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unsigned bitfieldWidth : 1;
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};
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struct CompareBitfieldWidthExpression {
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unsigned bitfieldWidthExpression : 2;
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};
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#else
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struct CompareMatchingBitfields compareMatchingBitfields;
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struct CompareBitfieldPresence1 compareBitfieldPresence1;
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// expected-error@first.h:* {{'CompareBitfieldPresence1' has different definitions in different modules; first difference is definition in module 'First.Hidden' found bitfield 'bitfieldPresence1'}}
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// expected-note@second.h:* {{but in 'Second' found non-bitfield 'bitfieldPresence1'}}
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struct CompareBitfieldPresence2 compareBitfieldPresence2;
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// expected-error@first.h:* {{'CompareBitfieldPresence2' has different definitions in different modules; first difference is definition in module 'First.Hidden' found non-bitfield 'bitfieldPresence2'}}
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// expected-note@second.h:* {{but in 'Second' found bitfield 'bitfieldPresence2'}}
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struct CompareBitfieldWidth compareBitfieldWidth;
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// expected-error@first.h:* {{'CompareBitfieldWidth' has different definitions in different modules; first difference is definition in module 'First.Hidden' found bitfield 'bitfieldWidth' with one width expression}}
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// expected-note@second.h:* {{but in 'Second' found bitfield 'bitfieldWidth' with different width expression}}
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struct CompareBitfieldWidthExpression compareBitfieldWidthExpression;
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// expected-error@first.h:* {{'CompareBitfieldWidthExpression' has different definitions in different modules; first difference is definition in module 'First.Hidden' found bitfield 'bitfieldWidthExpression' with one width expression}}
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// expected-note@second.h:* {{but in 'Second' found bitfield 'bitfieldWidthExpression' with different width expressio}}
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#endif
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#if defined(FIRST)
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struct CompareMatchingArrayFields {
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int matchingArrayField[7];
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};
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struct CompareArrayLength {
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int arrayLengthField[5];
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};
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struct CompareArrayType {
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int arrayTypeField[5];
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};
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#elif defined(SECOND)
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struct CompareMatchingArrayFields {
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int matchingArrayField[7];
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};
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struct CompareArrayLength {
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int arrayLengthField[7];
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};
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struct CompareArrayType {
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float arrayTypeField[5];
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};
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#else
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struct CompareMatchingArrayFields compareMatchingArrayFields;
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struct CompareArrayLength compareArrayLength;
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// expected-error@second.h:* {{'CompareArrayLength::arrayLengthField' from module 'Second' is not present in definition of 'struct CompareArrayLength' in module 'First.Hidden'}}
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// expected-note@first.h:* {{declaration of 'arrayLengthField' does not match}}
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struct CompareArrayType compareArrayType;
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// expected-error@second.h:* {{'CompareArrayType::arrayTypeField' from module 'Second' is not present in definition of 'struct CompareArrayType' in module 'First.Hidden'}}
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// expected-note@first.h:* {{declaration of 'arrayTypeField' does not match}}
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#endif
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#if defined(FIRST)
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struct CompareFieldAsForwardDeclaration {
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struct FieldForwardDeclaration *fieldForwardDeclaration;
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};
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enum FieldEnumA { kFieldEnumValue };
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struct CompareFieldAsEnum {
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enum FieldEnumA fieldEnum;
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};
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struct FieldStructA {};
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struct CompareFieldAsStruct {
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struct FieldStructA fieldStruct;
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};
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#elif defined(SECOND)
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struct FieldForwardDeclaration {};
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struct CompareFieldAsForwardDeclaration {
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struct FieldForwardDeclaration *fieldForwardDeclaration;
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};
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enum FieldEnumB { kFieldEnumValue };
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struct CompareFieldAsEnum {
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enum FieldEnumB fieldEnum;
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};
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struct FieldStructB {};
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struct CompareFieldAsStruct {
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struct FieldStructB fieldStruct;
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};
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#else
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struct CompareFieldAsForwardDeclaration compareFieldAsForwardDeclaration;
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struct CompareFieldAsEnum compareFieldAsEnum;
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// expected-error@second.h:* {{'CompareFieldAsEnum::fieldEnum' from module 'Second' is not present in definition of 'struct CompareFieldAsEnum' in module 'First.Hidden'}}
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// expected-note@first.h:* {{declaration of 'fieldEnum' does not match}}
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struct CompareFieldAsStruct compareFieldAsStruct;
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// expected-error@second.h:* {{'CompareFieldAsStruct::fieldStruct' from module 'Second' is not present in definition of 'struct CompareFieldAsStruct' in module 'First.Hidden'}}
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// expected-note@first.h:* {{declaration of 'fieldStruct' does not match}}
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#endif
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#if defined(FIRST)
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union CompareMatchingUnionFields {
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int matchingFieldA;
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float matchingFieldB;
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};
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union CompareUnionFieldOrder {
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int unionFieldOrderA;
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float unionFieldOrderB;
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};
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union CompareUnionFieldType {
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int unionFieldType;
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};
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#elif defined(SECOND)
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union CompareMatchingUnionFields {
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int matchingFieldA;
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float matchingFieldB;
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};
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union CompareUnionFieldOrder {
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float unionFieldOrderB;
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int unionFieldOrderA;
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};
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union CompareUnionFieldType {
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unsigned int unionFieldType;
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};
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#else
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union CompareMatchingUnionFields compareMatchingUnionFields;
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union CompareUnionFieldOrder compareUnionFieldOrder;
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// expected-error@first.h:* {{'CompareUnionFieldOrder' has different definitions in different modules; first difference is definition in module 'First.Hidden' found field 'unionFieldOrderA'}}
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// expected-note@second.h:* {{but in 'Second' found field 'unionFieldOrderB'}}
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union CompareUnionFieldType compareUnionFieldType;
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// expected-error@second.h:* {{'CompareUnionFieldType::unionFieldType' from module 'Second' is not present in definition of 'union CompareUnionFieldType' in module 'First.Hidden'}}
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// expected-note@first.h:* {{declaration of 'unionFieldType' does not match}}
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#endif
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// Test that we find and compare definitions even if they are not the first encountered declaration in a module.
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#if defined(FIRST)
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struct CompareDefinitionsRegardlessForwardDeclarations {
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int definitionField;
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};
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#elif defined(SECOND)
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struct CompareDefinitionsRegardlessForwardDeclarations;
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struct CompareDefinitionsRegardlessForwardDeclarations {
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float definitionField;
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};
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#else
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struct CompareDefinitionsRegardlessForwardDeclarations compareDefinitions;
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// expected-error@second.h:* {{'CompareDefinitionsRegardlessForwardDeclarations::definitionField' from module 'Second' is not present in definition of 'struct CompareDefinitionsRegardlessForwardDeclarations' in module 'First.Hidden'}}
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// expected-note@first.h:* {{declaration of 'definitionField' does not match}}
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#endif
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//--- include/first-nested-struct.h
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struct CompareNestedStruct {
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struct NestedLevel1 {
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struct NestedLevel2 {
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int a;
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} y;
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} x;
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};
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struct IndirectStruct {
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int mismatchingField;
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};
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struct DirectStruct {
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struct IndirectStruct indirectField;
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};
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struct CompareDifferentFieldInIndirectStruct {
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struct DirectStruct directField;
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};
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struct CompareIndirectStructPointer {
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struct DirectStruct *directFieldPointer;
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};
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//--- include/second-nested-struct.h
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struct CompareNestedStruct {
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struct NestedLevel1 {
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struct NestedLevel2 {
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float b;
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} y;
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} x;
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};
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struct IndirectStruct {
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float mismatchingField;
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};
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struct DirectStruct {
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struct IndirectStruct indirectField;
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};
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struct CompareDifferentFieldInIndirectStruct {
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struct DirectStruct directField;
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};
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struct CompareIndirectStructPointer {
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struct DirectStruct *directFieldPointer;
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};
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//--- test-nested-struct.c
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#include "first-empty.h"
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#include "second-nested-struct.h"
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#if defined(CASE1)
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struct CompareNestedStruct compareNestedStruct;
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// expected-error@second-nested-struct.h:* {{'NestedLevel2::b' from module 'Second' is not present in definition of 'struct NestedLevel2' in module 'First.Hidden'}}
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// expected-note@first-nested-struct.h:* {{definition has no member 'b'}}
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#elif defined(CASE2)
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struct CompareDifferentFieldInIndirectStruct compareIndirectStruct;
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// expected-error@second-nested-struct.h:* {{'IndirectStruct::mismatchingField' from module 'Second' is not present in definition of 'struct IndirectStruct' in module 'First.Hidden'}}
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// expected-note@first-nested-struct.h:* {{declaration of 'mismatchingField' does not match}}
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#elif defined(CASE3)
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// expected-error@second-nested-struct.h:* {{'IndirectStruct::mismatchingField' from module 'Second' is not present in definition of 'struct IndirectStruct' in module 'First.Hidden'}}
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// expected-note@first-nested-struct.h:* {{declaration of 'mismatchingField' does not match}}
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struct CompareIndirectStructPointer compareIndirectStructPointer;
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struct DirectStruct test() {
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// Make sure the type behind the pointer is inspected.
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return *compareIndirectStructPointer.directFieldPointer;
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}
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#endif
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//--- include/first-anonymous.h
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struct CompareAnonymousNestedUnion {
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union {
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int anonymousNestedUnionField;
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};
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};
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struct CompareAnonymousNestedStruct {
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struct {
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int anonymousNestedStructField;
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};
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};
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struct CompareDeeplyNestedAnonymousUnionsAndStructs {
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union {
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int x;
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union {
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int y;
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struct {
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int z;
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};
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};
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};
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};
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//--- include/second-anonymous.h
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struct CompareAnonymousNestedUnion {
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union {
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float anonymousNestedUnionField;
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};
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};
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struct CompareAnonymousNestedStruct {
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struct {
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float anonymousNestedStructField;
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};
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};
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struct CompareDeeplyNestedAnonymousUnionsAndStructs {
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union {
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int x;
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union {
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int y;
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struct {
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float z;
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};
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};
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};
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};
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//--- test-anonymous.c
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#include "first-empty.h"
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#include "second-anonymous.h"
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#if defined(CASE1)
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struct CompareAnonymousNestedUnion compareAnonymousNestedUnion;
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// expected-error-re@second-anonymous.h:* {{'CompareAnonymousNestedUnion::(anonymous union)::anonymousNestedUnionField' from module 'Second' is not present in definition of 'union CompareAnonymousNestedUnion::(anonymous at {{.*}})' in module 'First.Hidden'}}
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// expected-note@first-anonymous.h:* {{declaration of 'anonymousNestedUnionField' does not match}}
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#elif defined(CASE2)
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struct CompareAnonymousNestedStruct compareAnonymousNestedStruct;
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// expected-error-re@second-anonymous.h:* {{'CompareAnonymousNestedStruct::(anonymous struct)::anonymousNestedStructField' from module 'Second' is not present in definition of 'struct CompareAnonymousNestedStruct::(anonymous at {{.*}})' in module 'First.Hidden'}}
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// expected-note@first-anonymous.h:* {{declaration of 'anonymousNestedStructField' does not match}}
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#elif defined(CASE3)
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struct CompareDeeplyNestedAnonymousUnionsAndStructs compareDeeplyNested;
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// expected-error-re@second-anonymous.h:* {{'CompareDeeplyNestedAnonymousUnionsAndStructs::(anonymous union)::(anonymous union)::(anonymous struct)::z' from module 'Second' is not present in definition of 'struct CompareDeeplyNestedAnonymousUnionsAndStructs::(anonymous at {{.*}})' in module 'First.Hidden'}}
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// expected-note@first-anonymous.h:* {{declaration of 'z' does not match}}
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#endif
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