[llvm] e281539 - Fix warning: comparison of integer expressions of different signedness. NFC

[via llvm-commits]

Author: Luke Benes
Date: 2021-05-21T18:23:27+08:00
New Revision: e2815398ce0c81cb59df0269d4e02ffbe44b0d9e

URL: https://github.com/llvm/llvm-project/commit/e2815398ce0c81cb59df0269d4e02ffbe44b0d9e
DIFF: https://github.com/llvm/llvm-project/commit/e2815398ce0c81cb59df0269d4e02ffbe44b0d9e.diff

LOG: Fix warning: comparison of integer expressions of different signedness.  NFC

This patch resolves the Wsign-compare warning that I observed on armv7l and x86 with both gcc and clang.

Reviewed By: pengfei

Differential Revision: https://reviews.llvm.org/D102792

Added: 
    

Modified: 
    llvm/lib/Target/X86/X86TileConfig.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/X86/X86TileConfig.cpp b/llvm/lib/Target/X86/X86TileConfig.cpp
index de4b847c0cd6e..8114a0b2d4238 100644
--- a/llvm/lib/Target/X86/X86TileConfig.cpp
+++ b/llvm/lib/Target/X86/X86TileConfig.cpp
@@ -176,7 +176,7 @@ bool X86TileConfig::runOnMachineFunction(MachineFunction &MF) {
             SubIdx = 0;
           auto Iter = DefMI.getIterator();
           if (&MBB == &MF.front() &&
-              std::distance(MBB.instr_begin(), Iter) < ConstPos)
+              (unsigned)std::distance(MBB.instr_begin(), Iter) < ConstPos)
             Iter = ConstMI->getIterator();
           NewMI = addFrameReference(
                       BuildMI(MBB, ++Iter, DL,