[llvm] [InstCombine] Don't assert on samesign ule/uge of sext (PR #216079)

[Yingwei Zheng via llvm-commits]

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@@ -0,0 +1,69 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -passes=instcombine -S | FileCheck %s
+
+; Make sure we do not assert in foldICmpWithZextOrSext when an icmp samesign
+; ule/uge of a sext cannot be canonicalized to ugt/ult.
+; https://github.com/llvm/llvm-project/issues/216058
+
+define i1 @samesign_ule_sext_i16_smax(i16 %x) {
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dtcxzyw wrote:

Only keeps one function that triggers the assertion.


https://github.com/llvm/llvm-project/pull/216079