[llvm-commits] [llvm] r124535 - in /llvm/trunk/lib/Transforms/InstCombine: InstCombine.h InstCombineMulDivRem.cpp

[Frits van Bommel]

Author: fvbommel
Date: Sat Jan 29 11:50:27 2011
New Revision: 124535

URL: http://llvm.org/viewvc/llvm-project?rev=124535&view=rev
Log:
Call SimplifyFDivInst() in InstCombiner::visitFDiv().

Modified:
    llvm/trunk/lib/Transforms/InstCombine/InstCombine.h
    llvm/trunk/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp

Modified: llvm/trunk/lib/Transforms/InstCombine/InstCombine.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/InstCombine/InstCombine.h?rev=124535&r1=124534&r2=124535&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/InstCombine/InstCombine.h (original)
+++ llvm/trunk/lib/Transforms/InstCombine/InstCombine.h Sat Jan 29 11:50:27 2011
@@ -118,6 +118,7 @@
   Instruction *commonIDivTransforms(BinaryOperator &I);
   Instruction *visitUDiv(BinaryOperator &I);
   Instruction *visitSDiv(BinaryOperator &I);
+  Instruction *visitFDiv(BinaryOperator &I);
   Value *FoldAndOfICmps(ICmpInst *LHS, ICmpInst *RHS);
   Value *FoldAndOfFCmps(FCmpInst *LHS, FCmpInst *RHS);
   Instruction *visitAnd(BinaryOperator &I);

Modified: llvm/trunk/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp?rev=124535&r1=124534&r2=124535&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp (original)
+++ llvm/trunk/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp Sat Jan 29 11:50:27 2011
@@ -473,6 +473,15 @@
   return 0;
 }
 
+Instruction *InstCombiner::visitFDiv(BinaryOperator &I) {
+  Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1);
+
+  if (Value *V = SimplifyFDivInst(Op0, Op1, TD))
+    return ReplaceInstUsesWith(I, V);
+
+  return 0;
+}
+
 /// This function implements the transforms on rem instructions that work
 /// regardless of the kind of rem instruction it is (urem, srem, or frem). It 
 /// is used by the visitors to those instructions.