[llvm] [InstCombine] Detect uadd with overflow idiom (PR #140178)

[Craig Topper via llvm-commits]

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@@ -7078,7 +7084,7 @@ Instruction *InstCombinerImpl::foldICmpUsingBoolRange(ICmpInst &I) {
         // icmp eq X, (zext (icmp ne X, 0)) --> X == 0 || X == 1
         // icmp ne X, (zext (icmp ne X, 0)) --> X != 0 && X != 1
         // icmp eq X, (sext (icmp ne X, 0)) --> X == 0 || X == -1
-        // icmp ne X, (sext (icmp ne X, 0)) --> X != 0 && X == -1
+        // icmp ne X, (sext (icmp ne X, 0)) --> X != 0 && X != -1
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topperc wrote:

Unrelated change?

https://github.com/llvm/llvm-project/pull/140178