[llvm] [LV] Introduce the EVLIVSimplify Pass for EVL-vectorized loops (PR #91796)

[Alexey Bataev via llvm-commits]

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@@ -0,0 +1,282 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
+; RUN: opt -S -mtriple=riscv64 -mattr='+v' --passes='loop(evl-iv-simplify)' < %s | FileCheck %s
+; RUN: opt -S -mtriple=riscv64 -mattr='+v' --passes='loop(evl-iv-simplify),function(simplifycfg,dce)' < %s | FileCheck %s --check-prefix=LOOP-DEL
+
+define void @simple(ptr noalias %a, ptr noalias %b, ptr noalias %c, i64 %N) {
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alexey-bataev wrote:

Would be good to simplify the test as much as possible

https://github.com/llvm/llvm-project/pull/91796