[llvm-commits] CVS: llvm/lib/CodeGen/IntrinsicLowering.cpp

[Alkis Evlogimenos]

Changes in directory llvm/lib/CodeGen:

IntrinsicLowering.cpp updated: 1.22 -> 1.23
---
Log message:

Lower llvm.isunordered(a, b) into a != a | b != b.


---
Diffs of the changes:  (+8 -3)

 IntrinsicLowering.cpp |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)


Index: llvm/lib/CodeGen/IntrinsicLowering.cpp
diff -u llvm/lib/CodeGen/IntrinsicLowering.cpp:1.22 llvm/lib/CodeGen/IntrinsicLowering.cpp:1.23
--- llvm/lib/CodeGen/IntrinsicLowering.cpp:1.22	Mon Feb 28 13:27:23 2005
+++ llvm/lib/CodeGen/IntrinsicLowering.cpp	Mon Feb 28 20:07:58 2005
@@ -206,9 +206,14 @@
     break;
   }
   case Intrinsic::isunordered: {
-    static Function *isunorderedFCache = 0;
-    ReplaceCallWith("isunordered", CI, CI->op_begin()+1, CI->op_end(),
-                    Type::BoolTy, isunorderedFCache);
+    Value *L = CI->getOperand(1);
+    Value *R = CI->getOperand(2);
+
+    Value *LIsNan = new SetCondInst(Instruction::SetNE, L, L, "LIsNan", CI);
+    Value *RIsNan = new SetCondInst(Instruction::SetNE, R, R, "RIsNan", CI);
+    CI->replaceAllUsesWith(
+      BinaryOperator::create(Instruction::Or, LIsNan, RIsNan,
+                             "isunordered", CI));
     break;
   }
   }