[llvm] [AMDGPU][CodeGen] use vt in VGPRimm pattern (PR #131016)

[Brox Chen via llvm-commits]

https://github.com/broxigarchen created https://github.com/llvm/llvm-project/pull/131016

There seems to be an error introduced by https://github.com/AMD-Lightning-Internal/llvm-project/commit/2033767d68ed9aabcf1ad5d2bdd7541b272a05fd

Correct this pattern to use vt

>From 900c21782afcfccd859a2e3a9cd15b153a0e9e77 Mon Sep 17 00:00:00 2001
From: guochen2 <guochen2 at amd.com>
Date: Wed, 12 Mar 2025 15:25:58 -0400
Subject: [PATCH] fix a bug in vpgrimm pattern

---
 llvm/lib/Target/AMDGPU/SIInstructions.td | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Target/AMDGPU/SIInstructions.td b/llvm/lib/Target/AMDGPU/SIInstructions.td
index 985337da1909d..de77401eb0137 100644
--- a/llvm/lib/Target/AMDGPU/SIInstructions.td
+++ b/llvm/lib/Target/AMDGPU/SIInstructions.td
@@ -2268,7 +2268,7 @@ foreach pred = [NotHasTrue16BitInsts, UseFakeTrue16Insts] in {
 
   foreach vt = [f16, bf16] in {
     def : GCNPat <
-      (VGPRImm<(f16 fpimm)>:$imm),
+      (VGPRImm<(vt fpimm)>:$imm),
       (V_MOV_B32_e32 (vt (bitcast_fpimm_to_i32 $imm)))
     >;
   }