[llvm] [X86][GlobalISel] Add instruction selection for G_SELECT (PR #70753)

[Evgenii Kudriashov via llvm-commits]

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+; 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-prefix=SDAG-X64
+; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -verify-machineinstrs -mattr=+avx512f                                   | FileCheck %s --check-prefix=SDAG-X64
+; RUN: llc < %s -fast-isel -fast-isel-abort=1 -mtriple=x86_64-apple-darwin10 -verify-machineinstrs                     | FileCheck %s --check-prefix=FAST-X64
+; RUN: llc < %s -fast-isel -fast-isel-abort=1 -mtriple=x86_64-apple-darwin10 -verify-machineinstrs -mattr=+avx512f     | FileCheck %s --check-prefix=FAST-X64
+; RUN: llc < %s -global-isel -global-isel-abort=1 -mtriple=x86_64-apple-darwin10 -verify-machineinstrs                 | FileCheck %s --check-prefix=GISEL-X64
+; RUN: llc < %s -global-isel -global-isel-abort=1 -mtriple=x86_64-apple-darwin10 -verify-machineinstrs -mattr=+avx512f | FileCheck %s --check-prefix=GISEL-X64
+
+; RUN: llc < %s -mtriple=i686-apple-darwin10 -verify-machineinstrs                                   | FileCheck %s --check-prefix=SDAG-X86
+; RUN: llc < %s -fast-isel -fast-isel-abort=1 -mtriple=i686-apple-darwin10 -verify-machineinstrs     | FileCheck %s --check-prefix=FAST-X86
+; RUN: llc < %s -global-isel -global-isel-abort=1 -mtriple=i686-apple-darwin10 -verify-machineinstrs | FileCheck %s --check-prefix=GISEL-X86
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e-kud wrote:

Done. I actually worry how fast they grow. Is there a limit of `RUN` in a single test that we don't want to exceed?

https://github.com/llvm/llvm-project/pull/70753