[llvm] r335131 - [llvm-mca] use APint::operator[] to obtain the bit value. NFC

[Andrea Di Biagio via llvm-commits]

Author: adibiagio
Date: Wed Jun 20 07:30:17 2018
New Revision: 335131

URL: http://llvm.org/viewvc/llvm-project?rev=335131&view=rev
Log:
[llvm-mca] use APint::operator[] to obtain the bit value. NFC

Modified:
    llvm/trunk/tools/llvm-mca/InstrBuilder.cpp

Modified: llvm/trunk/tools/llvm-mca/InstrBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-mca/InstrBuilder.cpp?rev=335131&r1=335130&r2=335131&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-mca/InstrBuilder.cpp (original)
+++ llvm/trunk/tools/llvm-mca/InstrBuilder.cpp Wed Jun 20 07:30:17 2018
@@ -495,10 +495,8 @@ InstrBuilder::createInstruction(const MC
     }
 
     assert(RegID && "Expected a valid register ID!");
-    APInt CurrWriteMask = WriteMask & (1 << WriteIndex);
-    bool UpdatesSuperRegisters = CurrWriteMask.getBoolValue();
-    NewIS->getDefs().emplace_back(
-        llvm::make_unique<WriteState>(WD, RegID, UpdatesSuperRegisters));
+    NewIS->getDefs().emplace_back(llvm::make_unique<WriteState>(
+        WD, RegID, /* ClearsSuperRegs */ WriteMask[WriteIndex]));
     ++WriteIndex;
   }