[Attributes] Make type attribute handling more generic (NFCI)

Followup to D105658 to make AttrBuilder automatically work with
new type attributes. TableGen is tweaked to emit First/LastTypeAttr
markers, based on which we can handle type attributes
programmatically.

Differential Revision: https://reviews.llvm.org/D105763

1 files changed, 4 insertions, 11 deletions

diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index 854243e..585527f 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -1642,17 +1642,10 @@ Error BitcodeReader::parseAttributeGroupBlock() {
           Attribute::AttrKind Kind;
           if (Error Err = parseAttrKind(Record[++i], &Kind))
             return Err;
-          if (Kind == Attribute::ByVal) {
-            B.addByValAttr(HasType ? getTypeByID(Record[++i]) : nullptr);
-          } else if (Kind == Attribute::StructRet) {
-            B.addStructRetAttr(HasType ? getTypeByID(Record[++i]) : nullptr);
-          } else if (Kind == Attribute::ByRef) {
-            B.addByRefAttr(getTypeByID(Record[++i]));
-          } else if (Kind == Attribute::Preallocated) {
-            B.addPreallocatedAttr(getTypeByID(Record[++i]));
-          } else if (Kind == Attribute::InAlloca) {
-            B.addInAllocaAttr(HasType ? getTypeByID(Record[++i]) : nullptr);
-          }
+          if (!Attribute::isTypeAttrKind(Kind))
+            return error("Not a type attribute");
+
+          B.addTypeAttr(Kind, HasType ? getTypeByID(Record[++i]) : nullptr);
         }
       }