[llvm] [X86][GlobalIsel] Reland G_ISFPCLASS (PR #165848)

[Simon Pilgrim via llvm-commits]

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@@ -1,11 +1,10 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
-; RUN: llc < %s -mtriple=i686-linux | FileCheck %s -check-prefixes=X86
+; RUN: llc < %s -mtriple=i686-linux | FileCheck %s -check-prefixes=X86,X86-SDAGISEL
 ; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefixes=X64,X64-SDAGISEL
 ; RUN: llc < %s -mtriple=i686-linux -fast-isel -fast-isel-abort=1  | FileCheck %s -check-prefixes=X86-FASTISEL
 ; RUN: llc < %s -mtriple=x86_64-linux -fast-isel -fast-isel-abort=1  | FileCheck %s -check-prefixes=X64,X64-FASTISEL
-; RUN: llc < %s -mtriple=i686-linux -global-isel -global-isel-abort=2  | FileCheck %s -check-prefixes=X86
-; RUN: llc < %s -mtriple=x86_64-linux -global-isel -global-isel-abort=2  | FileCheck %s -check-prefixes=X64,X64-GISEL
-
+; RUN: llc < %s -mtriple=i686-linux -global-isel -global-isel-abort=1  | FileCheck %s -check-prefixes=X86,X86-GISEL
----------------
RKSimon wrote:

```suggestion
; RUN: llc < %s -mtriple=i686-linux -global-isel -global-isel-abort=1  | FileCheck %s -check-prefixes=X86-GISEL
```

https://github.com/llvm/llvm-project/pull/165848