[llvm] [LV] Vectorize selecting last IV of min/max element. (PR #141431)

[via llvm-commits]

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@@ -0,0 +1,132 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --version 5
+; RUN: opt -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -S %s | FileCheck %s
+
+define i64 @test_vectorize_select_fmaxnum_idx(ptr %src, i64 %n) {
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ayalz wrote:

May be good to continue and indicate if the desired `idx` is first or last, here and below.

https://github.com/llvm/llvm-project/pull/141431