[llvm] [InstCombine] Add combines for unsigned comparison of absolute value to constant (PR #176148)

[Antonio Frighetto via llvm-commits]

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@@ -4288,6 +4288,40 @@ Instruction *InstCombinerImpl::foldICmpIntrinsicWithConstant(ICmpInst &Cmp,
                             II->getArgOperand(1));
     }
     break;
+  case Intrinsic::abs: {
+    if (!Cmp.getOperand(0)->hasOneUse())
+      return nullptr;
+
+    Value *X = II->getArgOperand(0);
+    APInt IntMinIsPoison =
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antoniofrighetto wrote:

IntMinIsPoison unused?

https://github.com/llvm/llvm-project/pull/176148