[llvm-commits] [llvm] r45823 - /llvm/trunk/utils/TableGen/InstrInfoEmitter.cpp

[Chris Lattner]

Author: lattner
Date: Wed Jan  9 23:40:54 2008
New Revision: 45823

URL: http://llvm.org/viewvc/llvm-project?rev=45823&view=rev
Log:
if an instr lacks a pattern, assume it has side effects (unless never has s-e is true).

Modified:
    llvm/trunk/utils/TableGen/InstrInfoEmitter.cpp

Modified: llvm/trunk/utils/TableGen/InstrInfoEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/InstrInfoEmitter.cpp?rev=45823&r1=45822&r2=45823&view=diff

==============================================================================
--- llvm/trunk/utils/TableGen/InstrInfoEmitter.cpp (original)
+++ llvm/trunk/utils/TableGen/InstrInfoEmitter.cpp Wed Jan  9 23:40:54 2008
@@ -154,7 +154,10 @@
   
   void Analyze(Record *InstRecord) {
     const TreePattern *Pattern = CDP.getInstruction(InstRecord).getPattern();
-    if (Pattern == 0) return;  // No pattern.
+    if (Pattern == 0) {
+      HasSideEffects = 1;
+      return;  // No pattern.
+    }
     
     // FIXME: Assume only the first tree is the pattern. The others are clobber
     // nodes.