[COFF] Make it clearer that the symbols subsection holds function display name rather than just name

llvm-svn: 221812
diff --git a/llvm/lib/CodeGen/AsmPrinter/WinCodeViewLineTables.cpp b/llvm/lib/CodeGen/AsmPrinter/WinCodeViewLineTables.cpp
index 5f7850f..96cf55e 100644
--- a/llvm/lib/CodeGen/AsmPrinter/WinCodeViewLineTables.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/WinCodeViewLineTables.cpp
@@ -215,7 +215,7 @@
     Asm->OutStreamer.EmitCOFFSecRel32(Fn);
     Asm->OutStreamer.EmitCOFFSectionIndex(Fn);
     Asm->EmitInt8(0);
-    // Emit the function name as a null-terminated string.
+    // Emit the function display name as a null-terminated string.
     Asm->OutStreamer.EmitBytes(FuncName);
     Asm->EmitInt8(0);
     Asm->OutStreamer.EmitLabel(ProcSegmentEnd);
diff --git a/llvm/test/DebugInfo/COFF/asm.ll b/llvm/test/DebugInfo/COFF/asm.ll
index 278717d..9c9dad8 100644
--- a/llvm/test/DebugInfo/COFF/asm.ll
+++ b/llvm/test/DebugInfo/COFF/asm.ll
@@ -93,7 +93,7 @@
 ; OBJ32-NEXT:   Type: 0xF1
 ; OBJ32-NOT:    ]
 ; OBJ32:        ProcStart {
-; OBJ32-NEXT:     FunctionName: f
+; OBJ32-NEXT:     DisplayName: f
 ; OBJ32-NEXT:     Section: _f
 ; OBJ32-NEXT:     CodeSize: 0x6
 ; OBJ32-NEXT:   }
@@ -200,7 +200,7 @@
 ; OBJ64-NEXT:   Type: 0xF1
 ; OBJ64-NOT:    ]
 ; OBJ64:        ProcStart {
-; OBJ64-NEXT:     FunctionName: f
+; OBJ64-NEXT:     DisplayName: f
 ; OBJ64-NEXT:     Section: f
 ; OBJ64-NEXT:     CodeSize: 0xE
 ; OBJ64-NEXT:   }
diff --git a/llvm/test/DebugInfo/COFF/multifile.ll b/llvm/test/DebugInfo/COFF/multifile.ll
index 1cb4c7c..3bc1286 100644
--- a/llvm/test/DebugInfo/COFF/multifile.ll
+++ b/llvm/test/DebugInfo/COFF/multifile.ll
@@ -118,7 +118,7 @@
 ; OBJ32-NEXT:   Type: 0xF1
 ; OBJ32-NOT:    ]
 ; OBJ32:        ProcStart {
-; OBJ32-NEXT:     FunctionName: f
+; OBJ32-NEXT:     DisplayName: f
 ; OBJ32-NEXT:     Section: _f
 ; OBJ32-NEXT:     CodeSize: 0x10
 ; OBJ32-NEXT:   }
@@ -260,7 +260,7 @@
 ; OBJ64-NEXT:   Type: 0xF1
 ; OBJ64-NOT:    ]
 ; OBJ64:        ProcStart {
-; OBJ64-NEXT:     FunctionName: f
+; OBJ64-NEXT:     DisplayName: f
 ; OBJ64-NEXT:     Section: f
 ; OBJ64-NEXT:     CodeSize: 0x18
 ; OBJ64-NEXT:   }
diff --git a/llvm/test/DebugInfo/COFF/multifunction.ll b/llvm/test/DebugInfo/COFF/multifunction.ll
index d436d82..4d4f506 100644
--- a/llvm/test/DebugInfo/COFF/multifunction.ll
+++ b/llvm/test/DebugInfo/COFF/multifunction.ll
@@ -211,7 +211,7 @@
 ; OBJ32-NEXT:   Type: 0xF1
 ; OBJ32-NOT:    ]
 ; OBJ32:        ProcStart {
-; OBJ32-NEXT:     FunctionName: x
+; OBJ32-NEXT:     DisplayName: x
 ; OBJ32-NEXT:     Section: _x
 ; OBJ32-NEXT:     CodeSize: 0x6
 ; OBJ32-NEXT:   }
@@ -224,7 +224,7 @@
 ; OBJ32-NEXT:   Type: 0xF1
 ; OBJ32-NOT:    ]
 ; OBJ32:        ProcStart {
-; OBJ32-NEXT:     FunctionName: y
+; OBJ32-NEXT:     DisplayName: y
 ; OBJ32-NEXT:     Section: _y
 ; OBJ32-NEXT:     CodeSize: 0x6
 ; OBJ32-NEXT:   }
@@ -237,7 +237,7 @@
 ; OBJ32-NEXT:   Type: 0xF1
 ; OBJ32-NOT:    ]
 ; OBJ32:        ProcStart {
-; OBJ32-NEXT:     FunctionName: f
+; OBJ32-NEXT:     DisplayName: f
 ; OBJ32-NEXT:     Section: _f
 ; OBJ32-NEXT:     CodeSize: 0x10
 ; OBJ32-NEXT:   }
@@ -481,7 +481,7 @@
 ; OBJ64-NEXT:   Type: 0xF1
 ; OBJ64-NOT:    ]
 ; OBJ64:        ProcStart {
-; OBJ64-NEXT:     FunctionName: x
+; OBJ64-NEXT:     DisplayName: x
 ; OBJ64-NEXT:     Section: x
 ; OBJ64-NEXT:     CodeSize: 0xE
 ; OBJ64-NEXT:   }
@@ -494,7 +494,7 @@
 ; OBJ64-NEXT:   Type: 0xF1
 ; OBJ64-NOT:    ]
 ; OBJ64:        ProcStart {
-; OBJ64-NEXT:     FunctionName: y
+; OBJ64-NEXT:     DisplayName: y
 ; OBJ64-NEXT:     Section: y
 ; OBJ64-NEXT:     CodeSize: 0xE
 ; OBJ64-NEXT:   }
@@ -507,7 +507,7 @@
 ; OBJ64-NEXT:   Type: 0xF1
 ; OBJ64-NOT:    ]
 ; OBJ64:        ProcStart {
-; OBJ64-NEXT:     FunctionName: f
+; OBJ64-NEXT:     DisplayName: f
 ; OBJ64-NEXT:     Section: f
 ; OBJ64-NEXT:     CodeSize: 0x18
 ; OBJ64-NEXT:   }
diff --git a/llvm/test/DebugInfo/COFF/simple.ll b/llvm/test/DebugInfo/COFF/simple.ll
index e8c5005..00f1829 100644
--- a/llvm/test/DebugInfo/COFF/simple.ll
+++ b/llvm/test/DebugInfo/COFF/simple.ll
@@ -89,7 +89,7 @@
 ; OBJ32-NEXT:   Type: 0xF1
 ; OBJ32-NOT:    ]
 ; OBJ32:        ProcStart {
-; OBJ32-NEXT:     FunctionName: f
+; OBJ32-NEXT:     DisplayName: f
 ; OBJ32-NEXT:     Section: _f
 ; OBJ32-NEXT:     CodeSize: 0x6
 ; OBJ32-NEXT:   }
@@ -189,7 +189,7 @@
 ; OBJ64-NEXT:   Type: 0xF1
 ; OBJ64-NOT:    ]
 ; OBJ64:        ProcStart {
-; OBJ64-NEXT:     FunctionName: f
+; OBJ64-NEXT:     DisplayName: f
 ; OBJ64-NEXT:     Section: f
 ; OBJ64-NEXT:     CodeSize: 0xE
 ; OBJ64-NEXT:   }
diff --git a/llvm/test/tools/llvm-readobj/codeview-linetables.test b/llvm/test/tools/llvm-readobj/codeview-linetables.test
index 7b9e743..e5e344b 100644
--- a/llvm/test/tools/llvm-readobj/codeview-linetables.test
+++ b/llvm/test/tools/llvm-readobj/codeview-linetables.test
@@ -41,7 +41,7 @@
 MFUN32-NEXT:     Type: 0xF1
 MFUN32-NEXT:     PayloadSize: 0x4B
 MFUN32:          ProcStart {
-MFUN32-NEXT:       FunctionName: x
+MFUN32-NEXT:       DisplayName: x
 MFUN32-NEXT:       Section: _x
 MFUN32-NEXT:       CodeSize: 0xA
 MFUN32-NEXT:     }
@@ -60,7 +60,7 @@
 MFUN32-NEXT:     Type: 0xF1
 MFUN32-NEXT:     PayloadSize: 0x4B
 MFUN32:          ProcStart {
-MFUN32-NEXT:       FunctionName: y
+MFUN32-NEXT:       DisplayName: y
 MFUN32-NEXT:       Section: _y
 MFUN32-NEXT:       CodeSize: 0xA
 MFUN32-NEXT:     }
@@ -79,7 +79,7 @@
 MFUN32-NEXT:     Type: 0xF1
 MFUN32-NEXT:     PayloadSize: 0x4B
 MFUN32:          ProcStart {
-MFUN32-NEXT:       FunctionName: f
+MFUN32-NEXT:       DisplayName: f
 MFUN32-NEXT:       Section: _f
 MFUN32-NEXT:       CodeSize: 0x14
 MFUN32-NEXT:     }
@@ -146,7 +146,7 @@
 MFUN64-NEXT:     Type: 0xF1
 MFUN64-NEXT:     PayloadSize: 0x4B
 MFUN64:          ProcStart {
-MFUN64-NEXT:       FunctionName: x
+MFUN64-NEXT:       DisplayName: x
 MFUN64-NEXT:       Section: x
 MFUN64-NEXT:       CodeSize: 0xE
 MFUN64-NEXT:     }
@@ -161,7 +161,7 @@
 MFUN64-NEXT:     Type: 0xF1
 MFUN64-NEXT:     PayloadSize: 0x4B
 MFUN64:          ProcStart {
-MFUN64-NEXT:       FunctionName: y
+MFUN64-NEXT:       DisplayName: y
 MFUN64-NEXT:       Section: y
 MFUN64-NEXT:       CodeSize: 0xE
 MFUN64-NEXT:     }
@@ -176,7 +176,7 @@
 MFUN64-NEXT:     Type: 0xF1
 MFUN64-NEXT:     PayloadSize: 0x4B
 MFUN64:          ProcStart {
-MFUN64-NEXT:       FunctionName: f
+MFUN64-NEXT:       DisplayName: f
 MFUN64-NEXT:       Section: f
 MFUN64-NEXT:       CodeSize: 0x18
 MFUN64-NEXT:     }
@@ -271,7 +271,7 @@
 MFILE32-NEXT:     Type: 0xF1
 MFILE32-NEXT:     PayloadSize: 0x4B
 MFILE32:          ProcStart {
-MFILE32-NEXT:       FunctionName: f
+MFILE32-NEXT:       DisplayName: f
 MFILE32-NEXT:       Section: _f
 MFILE32-NEXT:       CodeSize: 0x14
 MFILE32-NEXT:     }
@@ -327,7 +327,7 @@
 MFILE64-NEXT:     Type: 0xF1
 MFILE64-NEXT:     PayloadSize: 0x4B
 MFILE64:          ProcStart {
-MFILE64-NEXT:       FunctionName: f
+MFILE64-NEXT:       DisplayName: f
 MFILE64-NEXT:       Section: f
 MFILE64-NEXT:       CodeSize: 0x18
 MFILE64-NEXT:     }
@@ -393,7 +393,7 @@
 RUN:   | FileCheck %s -check-prefix MCOMDAT
 
 MCOMDAT:      ProcStart {
-MCOMDAT-NEXT:   FunctionName: f
+MCOMDAT-NEXT:   DisplayName: f
 MCOMDAT-NEXT:   Section: ?f@@YAHXZ
 MCOMDAT-NEXT:   CodeSize: 0x7
 MCOMDAT-NEXT: }
@@ -408,7 +408,7 @@
 MCOMDAT-NEXT:   ]
 MCOMDAT-NEXT: ]
 MCOMDAT:      ProcStart {
-MCOMDAT-NEXT:   FunctionName: g
+MCOMDAT-NEXT:   DisplayName: g
 MCOMDAT-NEXT:   Section: ?g@@YAHXZ
 MCOMDAT-NEXT:   CodeSize: 0x7
 MCOMDAT-NEXT: }
diff --git a/llvm/tools/llvm-readobj/COFFDumper.cpp b/llvm/tools/llvm-readobj/COFFDumper.cpp
index 1fd3884..65659ad 100644
--- a/llvm/tools/llvm-readobj/COFFDumper.cpp
+++ b/llvm/tools/llvm-readobj/COFFDumper.cpp
@@ -669,12 +669,12 @@
         return;
       Offset += 4;
       DE.getU8(&Offset, Unused, 3);
-      StringRef FunctionName = DE.getCStr(&Offset);
+      StringRef DisplayName = DE.getCStr(&Offset);
       if (!DE.isValidOffset(Offset)) {
         error(object_error::parse_failed);
         return;
       }
-      W.printString("FunctionName", FunctionName);
+      W.printString("DisplayName", DisplayName);
       W.printString("Section", SectionName);
       W.printHex("CodeSize", CodeSize);