[llvm] [AMDGCN] Use ZExt when handling indices in insertment element (PR #85718)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,24 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
+;RUN: llc -mtriple=amdgcn -mcpu=gfx1036 < %s | FileCheck %s
+define void @test(i1 %Bool, ptr %Ptr, <32 x float> %Vec1, <32 x float> %Vec2) {
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arsenm wrote:

Name test  pr85717? Can this merge in with the existing test for this?

https://github.com/llvm/llvm-project/pull/85718