[C-API][DIBuilder] Added DIFlags in LLVMDIBuilderCreateBasicType

Added DIFlags in LLVMDIBuilderCreateBasicType to add optional DWARF
attributes, such as DW_AT_endianity.

Patch by Chirag Patel.

Differential Revision: https://reviews.llvm.org/D50832

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@340146 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/bindings/go/llvm/dibuilder.go b/bindings/go/llvm/dibuilder.go
index 8ec8f3c..dbf6237 100644 (file)
--- a/bindings/go/llvm/dibuilder.go
+++ b/bindings/go/llvm/dibuilder.go
@@ -299,6 +299,7 @@ func (d *DIBuilder) CreateBasicType(t DIBasicType) Metadata {
                C.size_t(len(t.Name)),
                C.uint64_t(t.SizeInBits),
                C.unsigned(t.Encoding),
+               C.LLVMDIFlags(0),
        )
        return Metadata{C: result}
 }

diff --git a/include/llvm-c/DebugInfo.h b/include/llvm-c/DebugInfo.h
index cee6755..fccc163 100644 (file)
--- a/include/llvm-c/DebugInfo.h
+++ b/include/llvm-c/DebugInfo.h
@@ -57,6 +57,8 @@ typedef enum {
   LLVMDIFlagFixedEnum = 1 << 24,
   LLVMDIFlagThunk = 1 << 25,
   LLVMDIFlagTrivial = 1 << 26,
+  LLVMDIFlagBigEndian = 1 << 27,
+  LLVMDIFlagLittleEndian = 1 << 28,
   LLVMDIFlagIndirectVirtualBase = (1 << 2) | (1 << 5),
   LLVMDIFlagAccessibility = LLVMDIFlagPrivate | LLVMDIFlagProtected |
                             LLVMDIFlagPublic,
@@ -531,11 +533,13 @@ LLVMDIBuilderCreateUnspecifiedType(LLVMDIBuilderRef Builder, const char *Name,
  * \param NameLen     Length of type name.
  * \param SizeInBits  Size of the type.
  * \param Encoding    DWARF encoding code, e.g. \c LLVMDWARFTypeEncoding_float.
+ * \param Flags       Flags to encode optional attribute like endianity
  */
 LLVMMetadataRef
 LLVMDIBuilderCreateBasicType(LLVMDIBuilderRef Builder, const char *Name,
                              size_t NameLen, uint64_t SizeInBits,
-                             LLVMDWARFTypeEncoding Encoding);
+                             LLVMDWARFTypeEncoding Encoding,
+                             LLVMDIFlags Flags);
 
 /**
  * Create debugging information entry for a pointer.

diff --git a/lib/IR/DebugInfo.cpp b/lib/IR/DebugInfo.cpp
index 659c924..037c2ea 100644 (file)
--- a/lib/IR/DebugInfo.cpp
+++ b/lib/IR/DebugInfo.cpp
@@ -948,9 +948,11 @@ LLVMDIBuilderCreateVectorType(LLVMDIBuilderRef Builder, uint64_t Size,
 LLVMMetadataRef
 LLVMDIBuilderCreateBasicType(LLVMDIBuilderRef Builder, const char *Name,
                              size_t NameLen, uint64_t SizeInBits,
-                             LLVMDWARFTypeEncoding Encoding) {
+                             LLVMDWARFTypeEncoding Encoding,
+                             LLVMDIFlags Flags) {
   return wrap(unwrap(Builder)->createBasicType({Name, NameLen},
-                                               SizeInBits, Encoding));
+                                               SizeInBits, Encoding,
+                                               map_from_llvmDIFlags(Flags)));
 }
 
 LLVMMetadataRef LLVMDIBuilderCreatePointerType(

diff --git a/tools/llvm-c-test/debuginfo.c b/tools/llvm-c-test/debuginfo.c
index 74d215e..d02c017 100644 (file)
--- a/tools/llvm-c-test/debuginfo.c
+++ b/tools/llvm-c-test/debuginfo.c
@@ -68,7 +68,7 @@ int llvm_test_dibuilder(void) {
                                               NULL, 0);
 
   LLVMMetadataRef Int64Ty =
-    LLVMDIBuilderCreateBasicType(DIB, "Int64", 5, 64, 0);
+    LLVMDIBuilderCreateBasicType(DIB, "Int64", 5, 64, 0, LLVMDIFlagZero);
   LLVMMetadataRef Int64TypeDef =
     LLVMDIBuilderCreateTypedef(DIB, Int64Ty, "int64_t", 7, File, 42, File);