[llvm] [AMDGPU][MC][NFC] Use the lit substitution to extract instruction codes in tests. (PR #165450)

[Ivan Kosarev via llvm-commits]

https://github.com/kosarev created https://github.com/llvm/llvm-project/pull/165450

Instead of invoking sed directly.

Partially reverts https://github.com/llvm/llvm-project/pull/119778 .

>From 26d58eacbba9a6560b2fb115af3b9966c9d42e0a Mon Sep 17 00:00:00 2001
From: Ivan Kosarev <ivan.kosarev at amd.com>
Date: Tue, 28 Oct 2025 17:47:49 +0000
Subject: [PATCH] [AMDGPU][MC][NFC] Use the lit substitution to extract
 instruction codes in tests.

Instead of invoking sed directly.

Partially reverts https://github.com/llvm/llvm-project/pull/119778 .
---
 llvm/test/MC/AMDGPU/gfx12_asm_vop1.s | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/test/MC/AMDGPU/gfx12_asm_vop1.s b/llvm/test/MC/AMDGPU/gfx12_asm_vop1.s
index d85ea799ed3d7..399a6441629ca 100644
--- a/llvm/test/MC/AMDGPU/gfx12_asm_vop1.s
+++ b/llvm/test/MC/AMDGPU/gfx12_asm_vop1.s
@@ -1,8 +1,8 @@
 // NOTE: Assertions have been autogenerated by utils/update_mc_test_checks.py UTC_ARGS: --unique --version 5
 // RUN: llvm-mc -triple=amdgcn -mcpu=gfx1200 -mattr=+wavefrontsize32,+real-true16 -show-encoding -comment-column=0 %s | FileCheck --strict-whitespace --check-prefixes=GFX12,GFX12-ASM %s
-// RUN: llvm-mc -triple=amdgcn -mcpu=gfx1200 -mattr=+wavefrontsize32,+real-true16 -show-encoding %s | sed -n 's#.*\(\[0x[0-9a-fx,]\{1,\}\]\)#\1#p' | llvm-mc -triple=amdgcn -mcpu=gfx1200 -mattr=+wavefrontsize32,+real-true16 -disassemble -show-encoding -comment-column=0 | FileCheck --strict-whitespace --check-prefixes=GFX12,GFX12-DIS %s
+// RUN: llvm-mc -triple=amdgcn -mcpu=gfx1200 -mattr=+wavefrontsize32,+real-true16 -show-encoding %s | %extract-encodings | llvm-mc -triple=amdgcn -mcpu=gfx1200 -mattr=+wavefrontsize32,+real-true16 -disassemble -show-encoding -comment-column=0 | FileCheck --strict-whitespace --check-prefixes=GFX12,GFX12-DIS %s
 // RUN: llvm-mc -triple=amdgcn -mcpu=gfx1200 -mattr=+wavefrontsize64,+real-true16 -show-encoding -comment-column=0 %s | FileCheck --strict-whitespace --check-prefixes=GFX12,GFX12-ASM %s
-// RUN: llvm-mc -triple=amdgcn -mcpu=gfx1200 -mattr=+wavefrontsize64,+real-true16 -show-encoding %s | sed -n 's#.*\(\[0x[0-9a-fx,]\{1,\}\]\)#\1#p' | llvm-mc -triple=amdgcn -mcpu=gfx1200 -mattr=+wavefrontsize64,+real-true16 -disassemble -show-encoding -comment-column=0 | FileCheck --strict-whitespace --check-prefixes=GFX12,GFX12-DIS %s
+// RUN: llvm-mc -triple=amdgcn -mcpu=gfx1200 -mattr=+wavefrontsize64,+real-true16 -show-encoding %s | %extract-encodings | llvm-mc -triple=amdgcn -mcpu=gfx1200 -mattr=+wavefrontsize64,+real-true16 -disassemble -show-encoding -comment-column=0 | FileCheck --strict-whitespace --check-prefixes=GFX12,GFX12-DIS %s
 
 v_bfrev_b32_e32 v5, v1
 // GFX12: v_bfrev_b32_e32 v5, v1 ; encoding: [0x01,0x71,0x0a,0x7e]