[llvm-commits] CVS: llvm/lib/Transforms/Scalar/InstructionCombining.cpp

[Reid Spencer]

Changes in directory llvm/lib/Transforms/Scalar:

InstructionCombining.cpp updated: 1.715 -> 1.716
---
Log message:

For PR1297: http://llvm.org/PR1297 :
Support overloaded intrinsics bswap, ctpop, cttz, ctlz.


---
Diffs of the changes:  (+7 -25)

 InstructionCombining.cpp |   32 +++++++-------------------------
 1 files changed, 7 insertions(+), 25 deletions(-)


Index: llvm/lib/Transforms/Scalar/InstructionCombining.cpp
diff -u llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.715 
llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.716
--- llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.715   Sun Apr  1 
00:36:37 2007
+++ llvm/lib/Transforms/Scalar/InstructionCombining.cpp Sun Apr  1 02:35:23 2007
@@ -3624,11 +3624,11 @@
   Module *M = I.getParent()->getParent()->getParent();
   const char *FnName = 0;
   if (I.getType() == Type::Int16Ty)
-    FnName = "llvm.bswap.i16";
+    FnName = "llvm.bswap.i16.i16";
   else if (I.getType() == Type::Int32Ty)
-    FnName = "llvm.bswap.i32";
+    FnName = "llvm.bswap.i32.i32";
   else if (I.getType() == Type::Int64Ty)
-    FnName = "llvm.bswap.i64";
+    FnName = "llvm.bswap.i64.i64";
   else
     assert(0 && "Unknown integer type!");
   Constant *F = M->getOrInsertFunction(FnName, I.getType(), I.getType(), NULL);
@@ -5173,29 +5173,11 @@
         default: break;
         }
       } else if (IntrinsicInst *II = dyn_cast<IntrinsicInst>(Op0)) {
-        // Handle set{eq|ne} <intrinsic>, intcst.
-        switch (II->getIntrinsicID()) {
-        default: break;
-        case Intrinsic::bswap_i16: 
-          // icmp eq (bswap(x)), c -> icmp eq (x,bswap(c))
-          AddToWorkList(II);  // Dead?
-          I.setOperand(0, II->getOperand(1));
-          I.setOperand(1, ConstantInt::get(Type::Int16Ty,
-                                           ByteSwap_16(CI->getZExtValue())));
-          return &I;
-        case Intrinsic::bswap_i32:   
-          // icmp eq (bswap(x)), c -> icmp eq (x,bswap(c))
-          AddToWorkList(II);  // Dead?
-          I.setOperand(0, II->getOperand(1));
-          I.setOperand(1, ConstantInt::get(Type::Int32Ty,
-                                           ByteSwap_32(CI->getZExtValue())));
-          return &I;
-        case Intrinsic::bswap_i64:   
-          // icmp eq (bswap(x)), c -> icmp eq (x,bswap(c))
-          AddToWorkList(II);  // Dead?
+        // Handle icmp {eq|ne} <intrinsic>, intcst.
+        if (II->getIntrinsicID() == Intrinsic::bswap) {
+          AddToWorkList(II);
           I.setOperand(0, II->getOperand(1));
-          I.setOperand(1, ConstantInt::get(Type::Int64Ty,
-                                           ByteSwap_64(CI->getZExtValue())));
+          I.setOperand(1, ConstantInt::get(CI->getValue().byteSwap()));
           return &I;
         }
       }



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