COFF: Fix short import lib import name type bitshift

As per the PE COFF spec (section 8.3, Import Name Type)
Offset: 18 Size 2 bits Name: Type
Offset: 20 Size 3 bits Name: Name Type

Offset: 20 added based on 18+2

Partially commited as rL279069

Differential Revision: https://reviews.llvm.org/D23540

llvm-svn: 283055

3 files changed, 5 insertions, 1 deletions

diff --git a/llvm/include/llvm/Support/COFF.h b/llvm/include/llvm/Support/COFF.h
index 7dad3e82bda..1ca781b981e 100644
--- a/llvm/include/llvm/Support/COFF.h
+++ b/llvm/include/llvm/Support/COFF.h
@@ -657,7 +657,7 @@ namespace COFF {
     }
 
     ImportNameType getNameType() const {
-      return static_cast<ImportNameType>((TypeInfo & 0x1C) >> 3);
+      return static_cast<ImportNameType>((TypeInfo & 0x1C) >> 2);
     }
   };
 
diff --git a/llvm/test/tools/llvm-readobj/Inputs/library.lib b/llvm/test/tools/llvm-readobj/Inputs/library.lib
index 193380dd485..7ad7c9052ea 100755
--- a/llvm/test/tools/llvm-readobj/Inputs/library.lib
+++ b/llvm/test/tools/llvm-readobj/Inputs/library.lib
diff --git a/llvm/test/tools/llvm-readobj/coff-exports-implib.test b/llvm/test/tools/llvm-readobj/coff-exports-implib.test
index 9715109b3d5..2b327384b25 100644
--- a/llvm/test/tools/llvm-readobj/coff-exports-implib.test
+++ b/llvm/test/tools/llvm-readobj/coff-exports-implib.test
@@ -3,20 +3,24 @@ RUN: llvm-readobj -coff-exports %p/Inputs/library.lib | FileCheck %s
 CHECK: File: library.dll
 CHECK: Format: COFF-import-file
 CHECK: Type: const
+CHECK: Name type: undecorate
 CHECK: Symbol: __imp__constant
 
 CHECK: File: library.dll
 CHECK: Format: COFF-import-file
 CHECK: Type: data
+CHECK: Name type: noprefix
 CHECK: Symbol: __imp__data
 
 CHECK: File: library.dll
 CHECK: Format: COFF-import-file
 CHECK: Type: code
+CHECK: Name type: name
 CHECK: Symbol: __imp__function
 
 CHECK: File: library.dll
 CHECK: Format: COFF-import-file
 CHECK: Type: code
+CHECK: Name type: ordinal
 CHECK: Symbol: __imp__ordinal