[llvm] [AMDGPU] Remove alignment constraint from spill pseudos (PR #177317)

[Matt Arsenault via llvm-commits]

================
@@ -1,5 +1,8 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
-# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -verify-machineinstrs -run-pass=prologepilog %s -o - | FileCheck -check-prefix=CHECK %s
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -verify-machineinstrs -run-pass=prologepilog %s -o - | FileCheck -check-prefixes=CHECK,GFX900 %s
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx942 -verify-machineinstrs -run-pass=prologepilog %s -o - | FileCheck -check-prefixes=CHECK,GFX942 %s
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1200 -verify-machineinstrs -run-pass=prologepilog %s -o - | FileCheck -check-prefixes=CHECK,GFX12,GFX1200 %s
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1250 -verify-machineinstrs -run-pass=prologepilog %s -o - | FileCheck -check-prefixes=CHECK,GFX12,GFX1250 %s
----------------
arsenm wrote:

```suggestion
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=prologepilog %s -o - | FileCheck -check-prefixes=CHECK,GFX900 %s
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx942 -run-pass=prologepilog %s -o - | FileCheck -check-prefixes=CHECK,GFX942 %s
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1200 -run-pass=prologepilog %s -o - | FileCheck -check-prefixes=CHECK,GFX12,GFX1200 %s
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1250 -run-pass=prologepilog %s -o - | FileCheck -check-prefixes=CHECK,GFX12,GFX1250 %s
```

https://github.com/llvm/llvm-project/pull/177317