[llvm-commits] [llvm] r55541 - /llvm/trunk/lib/VMCore/AsmWriter.cpp

[Chris Lattner]

Author: lattner
Date: Fri Aug 29 12:19:30 2008
New Revision: 55541

URL: http://llvm.org/viewvc/llvm-project?rev=55541&view=rev
Log:
Asmprint nameless instructions as:

%4 = add ...

instead of:

add ...    ; 4

This makes opt -print-cfg output actually usable and makes .ll files
generally easier to read.  This fixes PR2480

Modified:
    llvm/trunk/lib/VMCore/AsmWriter.cpp

Modified: llvm/trunk/lib/VMCore/AsmWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/AsmWriter.cpp?rev=55541&r1=55540&r2=55541&view=diff

==============================================================================
--- llvm/trunk/lib/VMCore/AsmWriter.cpp (original)
+++ llvm/trunk/lib/VMCore/AsmWriter.cpp Fri Aug 29 12:19:30 2008
@@ -1486,7 +1486,7 @@
     printType(V.getType());
     Out << '>';
 
-    if (!V.hasName()) {
+    if (!V.hasName() && !isa<Instruction>(V)) {
       int SlotNum;
       if (const GlobalValue *GV = dyn_cast<GlobalValue>(&V))
         SlotNum = Machine.getGlobalSlot(GV);
@@ -1511,6 +1511,13 @@
   if (I.hasName()) {
     PrintLLVMName(Out, &I);
     Out << " = ";
+  } else if (I.getType() != Type::VoidTy) {
+    // Print out the def slot taken.
+    int SlotNum = Machine.getLocalSlot(&I);
+    if (SlotNum == -1)
+      Out << "<badref> = ";
+    else
+      Out << '%' << SlotNum << " = ";
   }
 
   // If this is a volatile load or store, print out the volatile marker.