[Inscombine] fix a signedness warning which broke -Werror builds

llvm-svn: 331944
2018-05-10 00:05:29 +00:00 · 2018-05-10 00:05:29 +00:00 · 913a779df2
parent 2b248849ae
commit 913a779df2
1 changed files with 1 additions and 1 deletions
--- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
@ -3635,7 +3635,7 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) {
    // fixed window of instructions to handle common cases with conditions
    // computed between guards.
    Instruction *NextInst = II->getNextNode();
-    for (int i = 0; i < GuardWideningWindow; i++) {
+    for (unsigned i = 0; i < GuardWideningWindow; i++) {
      // Note: Using context-free form to avoid compile time blow up
      if (!isSafeToSpeculativelyExecute(NextInst))
        break;