[llvm] [CodeLayout] Size-aware machine block placement (PR #109711)

[Kyungwoo Lee via llvm-commits]

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@@ -0,0 +1,131 @@
+; RUN: llc -mcpu=corei7 -mtriple=x86_64-linux -apply-ext-tsp-for-size=true  < %s | FileCheck %s
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kyulee-com wrote:

Can we name `CHECK` more explicitly instead of `CHECK` and `CHECK2`? e.g.,
```suggestion
; RUN: llc -mcpu=corei7 -mtriple=x86_64-linux -apply-ext-tsp-for-size=true  < %s | FileCheck %s --check-prefix=CHECK-SIZE
```

https://github.com/llvm/llvm-project/pull/109711