[llvm] [AMDGPU] Enable vectorization of i8 values. (PR #134934)

[Shilei Tian via llvm-commits]

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@@ -0,0 +1,88 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -mcpu=hawaii -passes=slp-vectorizer %s | FileCheck -check-prefixes=GFX7 %s
+; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -mcpu=fiji -passes=slp-vectorizer %s | FileCheck -check-prefixes=GFX8PLUS,GFX8 %s
+; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -passes=slp-vectorizer %s | FileCheck -check-prefixes=GFX8PLUS,GFX9 %s
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shiltian wrote:

The script can't merge check lines (see the last lines of the file), so it'd be fine to just use `--check-prefix`.

https://github.com/llvm/llvm-project/pull/134934