[llvm] r261255 - [X86ISelLowering] Use isPowerof2 instead of rewriting it. NFC.

[Davide Italiano via llvm-commits]

Author: davide
Date: Thu Feb 18 14:43:15 2016
New Revision: 261255

URL: http://llvm.org/viewvc/llvm-project?rev=261255&view=rev
Log:
[X86ISelLowering] Use isPowerof2 instead of rewriting it. NFC.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=261255&r1=261254&r2=261255&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Thu Feb 18 14:43:15 2016
@@ -21953,7 +21953,7 @@ X86TargetLowering::EmitVAARG64WithCustom
   // to OverflowDestReg.
   if (NeedsAlign) {
     // Align the overflow address
-    assert((Align & (Align-1)) == 0 && "Alignment must be a power of 2");
+    assert(isPowerOf2_32(Align) && "Alignment must be a power of 2");
     unsigned TmpReg = MRI.createVirtualRegister(AddrRegClass);
 
     // aligned_addr = (addr + (align-1)) & ~(align-1)