[llvm] [AMDGPU] Simplify GFX12 VBUFFER definitions. NFC. (PR #114403)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Jay Foad (jayfoad)

<details>
<summary>Changes</summary>

For GFX12 hasTFE is always true because it does not have the buffer load
to LDS instructions.


---
Full diff: https://github.com/llvm/llvm-project/pull/114403.diff


1 Files Affected:

- (modified) llvm/lib/Target/AMDGPU/BUFInstructions.td (+3-5) 


``````````diff
diff --git a/llvm/lib/Target/AMDGPU/BUFInstructions.td b/llvm/lib/Target/AMDGPU/BUFInstructions.td
index 6bdff9862e55ac..d33165604b185c 100644
--- a/llvm/lib/Target/AMDGPU/BUFInstructions.td
+++ b/llvm/lib/Target/AMDGPU/BUFInstructions.td
@@ -2541,11 +2541,9 @@ multiclass MUBUF_Real_AllAddr_gfx11_Impl<bits<8> op, bit hasTFE,
     defm _TFE : MUBUF_Real_AllAddr_gfx11_Impl2<op, real_name>;
 }
 
-multiclass MUBUF_Real_AllAddr_gfx11_gfx12_Impl<bits<8> op, bit hasTFE,
-                                               string real_name> {
+multiclass MUBUF_Real_AllAddr_gfx11_gfx12_Impl<bits<8> op, string real_name> {
   defm NAME : MUBUF_Real_AllAddr_gfx11_gfx12_Impl2<op, real_name>;
-  if hasTFE then
-    defm _TFE : MUBUF_Real_AllAddr_gfx11_gfx12_Impl2<op, real_name>;
+  defm _TFE : MUBUF_Real_AllAddr_gfx11_gfx12_Impl2<op, real_name>;
 }
 
 // Non-renamed, non-atomic gfx11/gfx12 mubuf instructions.
@@ -2554,7 +2552,7 @@ multiclass MUBUF_Real_AllAddr_gfx11<bits<8> op, bit hasTFE = 1> :
 
 multiclass MUBUF_Real_AllAddr_gfx11_gfx12<bits<8> op,
                                  string real_name = get_BUF_ps<NAME>.Mnemonic> :
-  MUBUF_Real_AllAddr_gfx11_gfx12_Impl<op, /*hasTFE=*/1, real_name> {
+  MUBUF_Real_AllAddr_gfx11_gfx12_Impl<op, real_name> {
   defvar ps = get_BUF_ps<NAME>;
   if !ne(ps.Mnemonic, real_name) then
     def : Mnem_gfx11_gfx12<ps.Mnemonic, real_name>;

``````````

</details>


https://github.com/llvm/llvm-project/pull/114403