[llvm] [AMDGPU] frame index elimination hit assertion for scavenged nonreg (PR #130287)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,34 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx942 -verify-machineinstrs -run-pass=prologepilog %s -o - | FileCheck -check-prefix=FLATSCRW64 %s
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1100 -verify-machineinstrs -run-pass=prologepilog %s -o - | FileCheck -check-prefix=FLATSCRW32 %s
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1200 -verify-machineinstrs -run-pass=prologepilog %s -o - | FileCheck -check-prefix=FLATSCRW32 %s
+
+# Fall back to default handling if could not get a free SGPR.
+---
+name: s_add_i32_frame_index_elimination_failure_pei
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arsenm wrote:

Yes, all of the cases need to work. 

> Without this patch right? my be I need to re-check with the latest main.

Yes, you may need to add new forced defs and uses

https://github.com/llvm/llvm-project/pull/130287