[llvm] [AggressiveInstCombine] Inline strcmp/strncmp (PR #89371)

[Nikita Popov via llvm-commits]

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@@ -0,0 +1,163 @@
+; RUN: opt -S -passes=aggressive-instcombine -strncmp-inline-threshold=3 < %s | FileCheck %s
+; RUN: opt -S -passes=aggressive-instcombine -strncmp-inline-threshold=2 < %s | FileCheck --check-prefix TH-2 %s
+; RUN: opt -S -passes=aggressive-instcombine -strncmp-inline-threshold=1 < %s | FileCheck --check-prefix TH-1 %s
+; RUN: opt -S -passes=aggressive-instcombine -strncmp-inline-threshold=0 < %s | FileCheck --check-prefix TH-0 %s
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nikic wrote:

```suggestion
; RUN: opt -S -passes=aggressive-instcombine -strncmp-inline-threshold=3 < %s | FileCheck --check-prefixes=CHECK,TH-3 %s
; RUN: opt -S -passes=aggressive-instcombine -strncmp-inline-threshold=2 < %s | FileCheck --check-prefixes=CHECK,TH-2 %s
; RUN: opt -S -passes=aggressive-instcombine -strncmp-inline-threshold=1 < %s | FileCheck --check-prefixes=CHECK,TH-1 %s
; RUN: opt -S -passes=aggressive-instcombine -strncmp-inline-threshold=0 < %s | FileCheck --check-prefixes=CHECK,TH-0 %s
```
I'd structure the prefixes like this, so you only need to do the CHECK-LABEL once.

https://github.com/llvm/llvm-project/pull/89371