[X86ISelLowering] Use isPowerof2 instead of rewriting it. NFC.

llvm-svn: 261255
2016-02-18 20:43:15 +00:00 · 2016-02-18 20:43:15 +00:00 · 440a676136
parent e39e8530da
commit 440a676136
1 changed files with 1 additions and 1 deletions
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@ -21953,7 +21953,7 @@ X86TargetLowering::EmitVAARG64WithCustomInserter(MachineInstr *MI,
  // 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)