[llvm-commits] CVS: llvm/lib/VMCore/Instruction.cpp

[Chris Lattner]

Changes in directory llvm/lib/VMCore:

Instruction.cpp updated: 1.54 -> 1.55
---
Log message:

Fix Transforms/InstCombine/2006-10-26-VectorReassoc.ll


---
Diffs of the changes:  (+6 -5)

 Instruction.cpp |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)


Index: llvm/lib/VMCore/Instruction.cpp
diff -u llvm/lib/VMCore/Instruction.cpp:1.54 llvm/lib/VMCore/Instruction.cpp:1.55
--- llvm/lib/VMCore/Instruction.cpp:1.54	Thu Oct 26 01:15:43 2006
+++ llvm/lib/VMCore/Instruction.cpp	Thu Oct 26 13:27:26 2006
@@ -172,11 +172,12 @@
 /// applied to floating point types.
 ///
 bool Instruction::isAssociative(unsigned Opcode, const Type *Ty) {
-  if (Opcode == Add || Opcode == Mul ||
-      Opcode == And || Opcode == Or || Opcode == Xor) {
-    // Floating point operations do not associate!
-    return !Ty->isFloatingPoint();
-  }
+  if (Opcode == And || Opcode == Or || Opcode == Xor)
+    return true;
+
+  // Add/Mul reassociate unless they are FP or FP vectors.
+  if (Opcode == Add || Opcode == Mul)
+    return !Ty->isFPOrFPVector();
   return 0;
 }