[llvm] [AMDGPU] Enable more consecutive load folding during aggressive-instcombine (PR #158036)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,238 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -mtriple=amdgcn-amd-amdhsa -mcpu=gfx942 -passes=sroa,instcombine,aggressive-instcombine %s -S -o - | FileCheck %s
+
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arsenm wrote:

This appear to be the first addition to the AMDGPU subdirectory, so it also needs a new lit.local.cfg 

https://github.com/llvm/llvm-project/pull/158036