[llvm-commits] [llvm] r47380 - /llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

[Dan Gohman]

Author: djg
Date: Wed Feb 20 10:30:17 2008
New Revision: 47380

URL: http://llvm.org/viewvc/llvm-project?rev=47380&view=rev
Log:
Use APInt::intersects.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp?rev=47380&r1=47379&r2=47380&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Wed Feb 20 10:30:17 2008
@@ -1283,9 +1283,9 @@
       APInt SignBit = APInt::getSignBit(BitWidth);
       SignBit = SignBit.lshr(ShAmt);  // Adjust to where it is now in the mask.
       
-      if (!!(KnownZero & SignBit)) {
+      if (KnownZero.intersects(SignBit)) {
         KnownZero |= HighBits;  // New bits are known zero.
-      } else if (!!(KnownOne & SignBit)) {
+      } else if (KnownOne.intersects(SignBit)) {
         KnownOne  |= HighBits;  // New bits are known one.
       }
     }
@@ -1313,10 +1313,10 @@
     
     // If the sign bit of the input is known set or clear, then we know the
     // top bits of the result.
-    if (!!(KnownZero & InSignBit)) {          // Input sign bit known clear
+    if (KnownZero.intersects(InSignBit)) {         // Input sign bit known clear
       KnownZero |= NewBits;
       KnownOne  &= ~NewBits;
-    } else if (!!(KnownOne & InSignBit)) {    // Input sign bit known set
+    } else if (KnownOne.intersects(InSignBit)) {   // Input sign bit known set
       KnownOne  |= NewBits;
       KnownZero &= ~NewBits;
     } else {                              // Input sign bit unknown