[llvm] [SimplifyCFG] Treat umul + extract pattern as one cheap single instruction (PR #128021)

[Yingwei Zheng via llvm-commits]

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@@ -0,0 +1,129 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S < %s | FileCheck %s
+target triple = "riscv64-unknown-unknown-elf"
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dtcxzyw wrote:

Is it necessary for this test?


https://github.com/llvm/llvm-project/pull/128021