[llvm] [X86][GlobalISel] Reorganize br/brcond tests (NFC) (PR #80204)

[Simon Pilgrim via llvm-commits]

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@@ -0,0 +1,1508 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s                               -mtriple=x86_64-apple-darwin10 -verify-machineinstrs | FileCheck %s --check-prefixes=SDAG-X64
+; RUN: llc < %s -fast-isel -fast-isel-abort=1 -mtriple=x86_64-apple-darwin10 -verify-machineinstrs | FileCheck %s --check-prefixes=FASTISEL-X64
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RKSimon wrote:

I have no objection if we want to use X86/X64 prefixes for DAG+FASTISEL - and just have GISEL as the special case, especially as we're aiming to remove the diffs entirely. 

Some of the GISEL diffs are just different LBB tags for some reason, which we can hopefully address pretty easily....

https://github.com/llvm/llvm-project/pull/80204