Remove LLVM version < 6

10 files changed, 39 insertions, 107 deletions

diff --git a/runtime/Sanitizer/ubsan/ubsan_checks.inc b/runtime/Sanitizer/ubsan/ubsan_checks.inc
index b426beea..c32f7846 100644
--- a/runtime/Sanitizer/ubsan/ubsan_checks.inc
+++ b/runtime/Sanitizer/ubsan/ubsan_checks.inc
@@ -32,9 +32,7 @@ UBSAN_CHECK(NullptrWithNonZeroOffset, "nullptr-with-nonzero-offset",
 UBSAN_CHECK(NullptrAfterNonZeroOffset, "nullptr-after-nonzero-offset",
             "pointer-overflow")
 #endif
-#if LLVM_VERSION_MAJOR >= 5
 UBSAN_CHECK(PointerOverflow, "pointer-overflow", "pointer-overflow")
-#endif
 UBSAN_CHECK(MisalignedPointerUse, "misaligned-pointer-use", "alignment")
 #if LLVM_VERSION_MAJOR >= 8
 UBSAN_CHECK(AlignmentAssumption, "alignment-assumption", "alignment")
@@ -47,9 +45,7 @@ UBSAN_CHECK(UnsignedIntegerOverflow, "unsigned-integer-overflow",
 UBSAN_CHECK(IntegerDivideByZero, "integer-divide-by-zero",
             "integer-divide-by-zero")
 UBSAN_CHECK(FloatDivideByZero, "float-divide-by-zero", "float-divide-by-zero")
-#if LLVM_VERSION_MAJOR >= 6
 UBSAN_CHECK(InvalidBuiltin, "invalid-builtin-use", "invalid-builtin-use")
-#endif
 #if LLVM_VERSION_MAJOR >= 11
 UBSAN_CHECK(InvalidObjCCast, "invalid-objc-cast", "invalid-objc-cast")
 #endif
diff --git a/runtime/Sanitizer/ubsan/ubsan_diag.h b/runtime/Sanitizer/ubsan/ubsan_diag.h
index 71219ab7..4bb0404a 100644
--- a/runtime/Sanitizer/ubsan/ubsan_diag.h
+++ b/runtime/Sanitizer/ubsan/ubsan_diag.h
@@ -25,7 +25,7 @@ public:
   const char *getName() const { return Name; }
 };
 
-enum /*class*/ ErrorType {
+enum class ErrorType {
 #define UBSAN_CHECK(Name, SummaryKind, FSanitizeFlagName) Name,
 #include "ubsan_checks.inc"
 #undef UBSAN_CHECK
diff --git a/runtime/Sanitizer/ubsan/ubsan_handlers.cpp b/runtime/Sanitizer/ubsan/ubsan_handlers.cpp
index 3cb5cfe6..752d47a4 100644
--- a/runtime/Sanitizer/ubsan/ubsan_handlers.cpp
+++ b/runtime/Sanitizer/ubsan/ubsan_handlers.cpp
@@ -37,85 +37,81 @@ __attribute__((noreturn)) static void report_error(const char *msg,
 
 static const char *get_suffix(ErrorType ET) {
   switch (ET) {
-  case GenericUB:
+  case ErrorType::GenericUB:
     return "undefined_behavior.err";
-  case NullPointerUse:
+  case ErrorType::NullPointerUse:
 #if LLVM_VERSION_MAJOR >= 11
-  case NullPointerUseWithNullability:
+  case ErrorType::NullPointerUseWithNullability:
 #endif
 #if LLVM_VERSION_MAJOR >= 10
-  case NullptrWithOffset:
-  case NullptrWithNonZeroOffset:
-  case NullptrAfterNonZeroOffset:
+  case ErrorType::NullptrWithOffset:
+  case ErrorType::NullptrWithNonZeroOffset:
+  case ErrorType::NullptrAfterNonZeroOffset:
 #endif
-#if LLVM_VERSION_MAJOR >= 5
-  case PointerOverflow:
-#endif
-  case MisalignedPointerUse:
+  case ErrorType::PointerOverflow:
+  case ErrorType::MisalignedPointerUse:
 #if LLVM_VERSION_MAJOR >= 8
-  case AlignmentAssumption:
+  case ErrorType::AlignmentAssumption:
 #endif
     return "ptr.err";
-  case InsufficientObjectSize:
+  case ErrorType::InsufficientObjectSize:
     return "undefined_behavior.err";
-  case SignedIntegerOverflow:
-  case UnsignedIntegerOverflow:
+  case ErrorType::SignedIntegerOverflow:
+  case ErrorType::UnsignedIntegerOverflow:
     return "overflow.err";
-  case IntegerDivideByZero:
-  case FloatDivideByZero:
+  case ErrorType::IntegerDivideByZero:
+  case ErrorType::FloatDivideByZero:
     return "div.err";
-#if LLVM_VERSION_MAJOR >= 6
-  case InvalidBuiltin:
+  case ErrorType::InvalidBuiltin:
     return "undefined_behavior.err";
-#endif
 #if LLVM_VERSION_MAJOR >= 11
-  case InvalidObjCCast:
+  case ErrorType::InvalidObjCCast:
     return "undefined_behavior.err";
 #endif
 #if LLVM_VERSION_MAJOR >= 8
-  case ImplicitUnsignedIntegerTruncation:
-  case ImplicitSignedIntegerTruncation:
+  case ErrorType::ImplicitUnsignedIntegerTruncation:
+  case ErrorType::ImplicitSignedIntegerTruncation:
     return "implicit_conversion.err";
 #elif LLVM_VERSION_MAJOR >= 7
-  case ImplicitIntegerTruncation:
+  case ErrorType::ImplicitIntegerTruncation:
     return "implicit_conversion.err";
 #endif
 #if LLVM_VERSION_MAJOR >= 8
-  case ImplicitIntegerSignChange:
-  case ImplicitSignedIntegerTruncationOrSignChange:
+  case ErrorType::ImplicitIntegerSignChange:
+  case ErrorType::ImplicitSignedIntegerTruncationOrSignChange:
     return "implicit_conversion.err";
 #endif
-  case InvalidShiftBase:
-  case InvalidShiftExponent:
+  case ErrorType::InvalidShiftBase:
+  case ErrorType::InvalidShiftExponent:
     return "overflow.err";
-  case OutOfBoundsIndex:
+  case ErrorType::OutOfBoundsIndex:
     return "ptr.err";
-  case UnreachableCall:
+  case ErrorType::UnreachableCall:
     return "undefined_behavior.err";
-  case MissingReturn:
+  case ErrorType::MissingReturn:
     return "undefined_behavior.err";
-  case NonPositiveVLAIndex:
+  case ErrorType::NonPositiveVLAIndex:
     return "ptr.err";
-  case FloatCastOverflow:
+  case ErrorType::FloatCastOverflow:
     return "overflow.err";
-  case InvalidBoolLoad:
+  case ErrorType::InvalidBoolLoad:
     return "undefined_behavior.err";
-  case InvalidEnumLoad:
+  case ErrorType::InvalidEnumLoad:
     return "undefined_behavior.err";
-  case FunctionTypeMismatch:
+  case ErrorType::FunctionTypeMismatch:
     // This check is unsupported
     return "exec.err";
-  case InvalidNullReturn:
+  case ErrorType::InvalidNullReturn:
 #if LLVM_VERSION_MAJOR >= 11
-  case InvalidNullReturnWithNullability:
+  case ErrorType::InvalidNullReturnWithNullability:
 #endif
-  case InvalidNullArgument:
+  case ErrorType::InvalidNullArgument:
 #if LLVM_VERSION_MAJOR >= 11
-  case InvalidNullArgumentWithNullability:
+  case ErrorType::InvalidNullArgumentWithNullability:
 #endif
     return "nullable_attribute.err";
-  case DynamicTypeMismatch:
-  case CFIBadType:
+  case ErrorType::DynamicTypeMismatch:
+  case ErrorType::CFIBadType:
     // These checks are unsupported
     return "exec.err";
   default:
@@ -168,9 +164,7 @@ enum TypeCheckKind {
 
 static void handleTypeMismatchImpl(TypeMismatchData *Data,
                                    ValueHandle Pointer) {
-#if LLVM_VERSION_MAJOR >= 4
   uptr Alignment = (uptr)1 << Data->LogAlignment;
-#endif
   ErrorType ET;
   if (!Pointer)
 #if LLVM_VERSION_MAJOR >= 11
@@ -180,11 +174,7 @@ static void handleTypeMismatchImpl(TypeMismatchData *Data,
 #else
     ET = ErrorType::NullPointerUse;
 #endif
-#if LLVM_VERSION_MAJOR >= 4
   else if (Pointer & (Alignment - 1))
-#else
-  else if (Data->Alignment && (Pointer & (Data->Alignment - 1)))
-#endif
     ET = ErrorType::MisalignedPointerUse;
   else
     ET = ErrorType::InsufficientObjectSize;
@@ -192,7 +182,6 @@ static void handleTypeMismatchImpl(TypeMismatchData *Data,
   report_error_type(ET);
 }
 
-#if LLVM_VERSION_MAJOR >= 4
 extern "C" void __ubsan_handle_type_mismatch_v1(TypeMismatchData *Data,
                                                 ValueHandle Pointer) {
 
@@ -204,17 +193,6 @@ extern "C" void __ubsan_handle_type_mismatch_v1_abort(TypeMismatchData *Data,
 
   handleTypeMismatchImpl(Data, Pointer);
 }
-#else
-extern "C" void __ubsan_handle_type_mismatch(TypeMismatchData *Data,
-                                             ValueHandle Pointer) {
-  handleTypeMismatchImpl(Data, Pointer);
-}
-
-extern "C" void __ubsan_handle_type_mismatch_abort(TypeMismatchData *Data,
-                                                   ValueHandle Pointer) {
-  handleTypeMismatchImpl(Data, Pointer);
-}
-#endif
 
 #if LLVM_VERSION_MAJOR >= 8
 static void handleAlignmentAssumptionImpl(AlignmentAssumptionData * /*Data*/,
@@ -458,7 +436,6 @@ __ubsan_handle_implicit_conversion_abort(ImplicitConversionData *Data,
 }
 #endif
 
-#if LLVM_VERSION_MAJOR >= 6
 static void handleInvalidBuiltin(InvalidBuiltinData * /*Data*/) {
   ErrorType ET = ErrorType::InvalidBuiltin;
   report_error_type(ET);
@@ -471,9 +448,7 @@ extern "C" void __ubsan_handle_invalid_builtin(InvalidBuiltinData *Data) {
 extern "C" void __ubsan_handle_invalid_builtin_abort(InvalidBuiltinData *Data) {
   handleInvalidBuiltin(Data);
 }
-#endif
 
-#if LLVM_VERSION_MAJOR >= 5
 static void handleNonNullReturn(NonNullReturnData * /*Data*/,
                                 SourceLocation * /*LocPtr*/, bool IsAttr) {
 #if LLVM_VERSION_MAJOR >= 11
@@ -494,22 +469,7 @@ extern "C" void __ubsan_handle_nonnull_return_v1_abort(NonNullReturnData *Data,
                                                        SourceLocation *LocPtr) {
   handleNonNullReturn(Data, LocPtr, true);
 }
-#else
-static void handleNonNullReturn(NonNullReturnData * /*Data*/) {
-  ErrorType ET = ErrorType::InvalidNullReturn;
-  report_error_type(ET);
-}
-
-extern "C" void __ubsan_handle_nonnull_return(NonNullReturnData *Data) {
-  handleNonNullReturn(Data);
-}
 
-extern "C" void __ubsan_handle_nonnull_return_abort(NonNullReturnData *Data) {
-  handleNonNullReturn(Data);
-}
-#endif
-
-#if LLVM_VERSION_MAJOR >= 5
 extern "C" void __ubsan_handle_nullability_return_v1(NonNullReturnData *Data,
                                                      SourceLocation *LocPtr) {
   handleNonNullReturn(Data, LocPtr, false);
@@ -520,7 +480,6 @@ __ubsan_handle_nullability_return_v1_abort(NonNullReturnData *Data,
                                            SourceLocation *LocPtr) {
   handleNonNullReturn(Data, LocPtr, false);
 }
-#endif
 
 static void handleNonNullArg(NonNullArgData * /*Data*/, bool IsAttr) {
 #if LLVM_VERSION_MAJOR >= 11
@@ -540,7 +499,6 @@ extern "C" void __ubsan_handle_nonnull_arg_abort(NonNullArgData *Data) {
   handleNonNullArg(Data, true);
 }
 
-#if LLVM_VERSION_MAJOR >= 5
 extern "C" void __ubsan_handle_nullability_arg(NonNullArgData *Data) {
   handleNonNullArg(Data, false);
 }
@@ -549,9 +507,7 @@ extern "C" void __ubsan_handle_nullability_arg_abort(NonNullArgData *Data) {
 
   handleNonNullArg(Data, false);
 }
-#endif
 
-#if LLVM_VERSION_MAJOR >= 5
 static void handlePointerOverflowImpl(PointerOverflowData * /*Data*/,
                                       ValueHandle Base, ValueHandle Result) {
 #if LLVM_VERSION_MAJOR >= 10
@@ -583,6 +539,5 @@ extern "C" void __ubsan_handle_pointer_overflow_abort(PointerOverflowData *Data,
 
   handlePointerOverflowImpl(Data, Base, Result);
 }
-#endif
 
 } // namespace __ubsan
\ No newline at end of file
diff --git a/runtime/Sanitizer/ubsan/ubsan_handlers.h b/runtime/Sanitizer/ubsan/ubsan_handlers.h
index be2b8225..da111ff6 100644
--- a/runtime/Sanitizer/ubsan/ubsan_handlers.h
+++ b/runtime/Sanitizer/ubsan/ubsan_handlers.h
@@ -21,11 +21,7 @@ using namespace __ubsan;
 struct TypeMismatchData {
   SourceLocation Loc;
   const TypeDescriptor &Type;
-#if LLVM_VERSION_MAJOR >= 4
   unsigned char LogAlignment;
-#else
-  uptr Alignment;
-#endif
   unsigned char TypeCheckKind;
 };
 
@@ -89,12 +85,10 @@ struct ImplicitConversionData {
 };
 #endif
 
-#if LLVM_VERSION_MAJOR >= 6
 struct InvalidBuiltinData {
   SourceLocation Loc;
   unsigned char Kind;
 };
-#endif
 
 struct NonNullReturnData {
   SourceLocation AttrLoc;
@@ -106,10 +100,8 @@ struct NonNullArgData {
   int ArgIndex;
 };
 
-#if LLVM_VERSION_MAJOR >= 5
 struct PointerOverflowData {
   SourceLocation Loc;
 };
-#endif
 
-#endif // UBSAN_HANDLERS_H
\ No newline at end of file
+#endif // UBSAN_HANDLERS_H
diff --git a/test/Feature/ubsan/ubsan_builtin.c b/test/Feature/ubsan/ubsan_builtin.c
index 85cf02a8..85603646 100644
--- a/test/Feature/ubsan/ubsan_builtin.c
+++ b/test/Feature/ubsan/ubsan_builtin.c
@@ -1,5 +1,3 @@
-// REQUIRES: geq-llvm-6.0
-//
 // RUN: %clang %s -fsanitize=builtin -w -emit-llvm -g %O0opt -c -o %t.bc
 // RUN: rm -rf %t.klee-out
 // RUN: %klee --output-dir=%t.klee-out --emit-all-errors --ubsan-runtime %t.bc 2>&1 | FileCheck %s
diff --git a/test/Feature/ubsan/ubsan_nullability_arg.c b/test/Feature/ubsan/ubsan_nullability_arg.c
index 38227a8b..72cb79aa 100644
--- a/test/Feature/ubsan/ubsan_nullability_arg.c
+++ b/test/Feature/ubsan/ubsan_nullability_arg.c
@@ -1,5 +1,3 @@
-// REQUIRES: geq-llvm-5.0
-
 // RUN: %clang %s -fsanitize=nullability-arg -emit-llvm -g %O0opt -c -o %t.bc
 // RUN: rm -rf %t.klee-out
 // RUN: %klee --output-dir=%t.klee-out --emit-all-errors --ubsan-runtime %t.bc 2>&1 | FileCheck %s
diff --git a/test/Feature/ubsan/ubsan_nullability_assign.c b/test/Feature/ubsan/ubsan_nullability_assign.c
index a2a9c5e4..84421bb7 100644
--- a/test/Feature/ubsan/ubsan_nullability_assign.c
+++ b/test/Feature/ubsan/ubsan_nullability_assign.c
@@ -1,5 +1,3 @@
-// REQUIRES: geq-llvm-5.0
-
 // RUN: %clang %s -fsanitize=nullability-assign -emit-llvm -g %O0opt -c -o %t.bc
 // RUN: rm -rf %t.klee-out
 // RUN: %klee --output-dir=%t.klee-out --emit-all-errors --ubsan-runtime %t.bc 2>&1 | FileCheck %s
diff --git a/test/Feature/ubsan/ubsan_nullability_return.c b/test/Feature/ubsan/ubsan_nullability_return.c
index ffd7886c..3e1a76d3 100644
--- a/test/Feature/ubsan/ubsan_nullability_return.c
+++ b/test/Feature/ubsan/ubsan_nullability_return.c
@@ -1,5 +1,3 @@
-// REQUIRES: geq-llvm-5.0
-
 // RUN: %clang %s -fsanitize=nullability-return -emit-llvm -g %O0opt -c -o %t.bc
 // RUN: rm -rf %t.klee-out
 // RUN: %klee --output-dir=%t.klee-out --emit-all-errors --ubsan-runtime %t.bc 2>&1 | FileCheck %s
diff --git a/test/Feature/ubsan/ubsan_pointer_overflow-applying_nonzero_offset_to_nonnull_pointer.c b/test/Feature/ubsan/ubsan_pointer_overflow-applying_nonzero_offset_to_nonnull_pointer.c
index caee33af..acf551bc 100644
--- a/test/Feature/ubsan/ubsan_pointer_overflow-applying_nonzero_offset_to_nonnull_pointer.c
+++ b/test/Feature/ubsan/ubsan_pointer_overflow-applying_nonzero_offset_to_nonnull_pointer.c
@@ -1,4 +1,3 @@
-// REQUIRES: geq-llvm-5.0
 // REQUIRES: lt-llvm-10.0
 
 // RUN: %clang %s -fsanitize=pointer-overflow -emit-llvm -g %O0opt -c -o %t.bc
diff --git a/test/Feature/ubsan/ubsan_pointer_overflow-pointer_arithmetic.c b/test/Feature/ubsan/ubsan_pointer_overflow-pointer_arithmetic.c
index 8c445b0e..be15628c 100644
--- a/test/Feature/ubsan/ubsan_pointer_overflow-pointer_arithmetic.c
+++ b/test/Feature/ubsan/ubsan_pointer_overflow-pointer_arithmetic.c
@@ -1,5 +1,3 @@
-// REQUIRES: geq-llvm-5.0
-
 // RUN: %clang %s -fsanitize=pointer-overflow -emit-llvm -g %O0opt -c -o %t.bc
 // RUN: rm -rf %t.klee-out
 // RUN: %klee --output-dir=%t.klee-out --emit-all-errors --ubsan-runtime %t.bc 2>&1 | FileCheck %s