uweigand created this revision.
uweigand added reviewers: spyffe, clayborg.
uweigand added a subscriber: lldb-commits.
Herald added a subscriber: aemerson.
This fixes several test case failure on s390x caused by the fact that
on this platform, the default "char" type is unsigned.
- In ClangASTContext::GetBuiltinTypeForEncodingAndBitSize we should return
an explicit *signed* char type for encoding eEncodingSint and bit size 8,
instead of the default platform char type (which may be unsigned).
This fix matches existing code in ClangASTContext::GetIntTypeFromBitSize,
and fixes the TestClangASTContext.TestBuiltinTypeForEncodingAndBitSize
unit test case.
- The test/expression_command/char/TestExprsChar.py test case is known to
fail on platforms defaulting to unsigned char (pr23069), and just needs
to be xfailed on s390x like on arm.
- The test/functionalities/watchpoint/watchpoint_on_vectors/main.c test
case defines a vector of "char" and implicitly assumes to be signed.
Use an explicit "signed char" instead.
http://reviews.llvm.org/D18979
Files:
packages/Python/lldbsuite/test/expression_command/char/TestExprsChar.py
packages/Python/lldbsuite/test/functionalities/watchpoint/watchpoint_on_vectors/main.c
source/Symbol/ClangASTContext.cpp
Index: source/Symbol/ClangASTContext.cpp
===================================================================
--- source/Symbol/ClangASTContext.cpp
+++ source/Symbol/ClangASTContext.cpp
@@ -783,8 +783,8 @@
break;
case eEncodingSint:
- if (QualTypeMatchesBitSize (bit_size, ast, ast->CharTy))
- return CompilerType (ast, ast->CharTy);
+ if (QualTypeMatchesBitSize (bit_size, ast, ast->SignedCharTy))
+ return CompilerType (ast, ast->SignedCharTy);
if (QualTypeMatchesBitSize (bit_size, ast, ast->ShortTy))
return CompilerType (ast, ast->ShortTy);
if (QualTypeMatchesBitSize (bit_size, ast, ast->IntTy))
Index:
packages/Python/lldbsuite/test/functionalities/watchpoint/watchpoint_on_vectors/main.c
===================================================================
---
packages/Python/lldbsuite/test/functionalities/watchpoint/watchpoint_on_vectors/main.c
+++
packages/Python/lldbsuite/test/functionalities/watchpoint/watchpoint_on_vectors/main.c
@@ -6,7 +6,7 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-typedef char v4i8 __attribute__ ((vector_size(4)));
+typedef signed char v4i8 __attribute__ ((vector_size(4)));
v4i8 global_vector = {1, 2, 3, 4};
int
Index: packages/Python/lldbsuite/test/expression_command/char/TestExprsChar.py
===================================================================
--- packages/Python/lldbsuite/test/expression_command/char/TestExprsChar.py
+++ packages/Python/lldbsuite/test/expression_command/char/TestExprsChar.py
@@ -57,7 +57,7 @@
def test_default_char(self):
self.do_test()
- @expectedFailureAll(archs=["arm", "aarch64"], bugnumber="llvm.org/pr23069")
+ @expectedFailureAll(archs=["arm", "aarch64", "s390x"],
bugnumber="llvm.org/pr23069")
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765")
def test_signed_char(self):
self.do_test(dictionary={'CFLAGS_EXTRAS': '-fsigned-char'})
Index: source/Symbol/ClangASTContext.cpp
===================================================================
--- source/Symbol/ClangASTContext.cpp
+++ source/Symbol/ClangASTContext.cpp
@@ -783,8 +783,8 @@
break;
case eEncodingSint:
- if (QualTypeMatchesBitSize (bit_size, ast, ast->CharTy))
- return CompilerType (ast, ast->CharTy);
+ if (QualTypeMatchesBitSize (bit_size, ast, ast->SignedCharTy))
+ return CompilerType (ast, ast->SignedCharTy);
if (QualTypeMatchesBitSize (bit_size, ast, ast->ShortTy))
return CompilerType (ast, ast->ShortTy);
if (QualTypeMatchesBitSize (bit_size, ast, ast->IntTy))
Index: packages/Python/lldbsuite/test/functionalities/watchpoint/watchpoint_on_vectors/main.c
===================================================================
--- packages/Python/lldbsuite/test/functionalities/watchpoint/watchpoint_on_vectors/main.c
+++ packages/Python/lldbsuite/test/functionalities/watchpoint/watchpoint_on_vectors/main.c
@@ -6,7 +6,7 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-typedef char v4i8 __attribute__ ((vector_size(4)));
+typedef signed char v4i8 __attribute__ ((vector_size(4)));
v4i8 global_vector = {1, 2, 3, 4};
int
Index: packages/Python/lldbsuite/test/expression_command/char/TestExprsChar.py
===================================================================
--- packages/Python/lldbsuite/test/expression_command/char/TestExprsChar.py
+++ packages/Python/lldbsuite/test/expression_command/char/TestExprsChar.py
@@ -57,7 +57,7 @@
def test_default_char(self):
self.do_test()
- @expectedFailureAll(archs=["arm", "aarch64"], bugnumber="llvm.org/pr23069")
+ @expectedFailureAll(archs=["arm", "aarch64", "s390x"], bugnumber="llvm.org/pr23069")
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765")
def test_signed_char(self):
self.do_test(dictionary={'CFLAGS_EXTRAS': '-fsigned-char'})
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