From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Tue, 22 Jan 2019 13:18:26 +0000 (+0000)
Subject: Fix "comparison of unsigned expression >= 0 is always true" warning. NFCI.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d378e71fcfeb1ce534afab0ab3683f8d79cd0bb8;p=llvm

Fix "comparison of unsigned expression >= 0 is always true" warning. NFCI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351816 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 6f374ad9ead..71288826656 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -1582,7 +1582,7 @@ MachineInstr *X86InstrInfo::commuteInstructionImpl(MachineInstr &MI, bool NewMI,
     if (DstIdx == SrcIdx && (ZMask & (1 << DstIdx)) == 0 &&
         countPopulation(ZMask) == 2) {
       unsigned AltIdx = findFirstSet((ZMask | (1 << DstIdx)) ^ 15);
-      assert(0 <= AltIdx && AltIdx < 4 && "Illegal insertion index");
+      assert(AltIdx < 4 && "Illegal insertion index");
       unsigned AltImm = (AltIdx << 6) | (AltIdx << 4) | ZMask;
       auto &WorkingMI = cloneIfNew(MI);
       WorkingMI.getOperand(MI.getNumOperands() - 1).setImm(AltImm);