From adb6619cfaf07cc2a782666b1ced65633fee1137 Mon Sep 17 00:00:00 2001
From: Cooper Partin <coopp@ntdev.microsoft.com>
Date: Wed, 6 Nov 2024 13:44:30 -0800
Subject: [PATCH] Remove setting ComputeShadersPlusRawAndStructuredBuffers flag
 and test that went along with it

---
 llvm/lib/Target/DirectX/DXILShaderFlags.cpp   | 10 --------
 .../CodeGen/DirectX/ShaderFlags/buffer_cs4.ll | 24 -------------------
 2 files changed, 34 deletions(-)
 delete mode 100644 llvm/test/CodeGen/DirectX/ShaderFlags/buffer_cs4.ll

diff --git a/llvm/lib/Target/DirectX/DXILShaderFlags.cpp b/llvm/lib/Target/DirectX/DXILShaderFlags.cpp
index 5df9ed518436f8..3cea08b7ae18e5 100644
--- a/llvm/lib/Target/DirectX/DXILShaderFlags.cpp
+++ b/llvm/lib/Target/DirectX/DXILShaderFlags.cpp
@@ -69,16 +69,6 @@ static void updateResourceFlags(ComputedShaderFlags &Flags, Module &M,
       break;
     }
   }
-
-  if (Flags.EnableRawAndStructuredBuffers) {
-    const dxil::ModuleMetadataInfo &MMDI =
-        AM->getResult<DXILMetadataAnalysis>(M);
-    VersionTuple SM = MMDI.ShaderModelVersion;
-    Triple::EnvironmentType SP = MMDI.ShaderProfile;
-
-    Flags.ComputeShadersPlusRawAndStructuredBuffers =
-        (SP == Triple::EnvironmentType::Compute && SM.getMajor() == 4);
-  }
 }
 
 ComputedShaderFlags
diff --git a/llvm/test/CodeGen/DirectX/ShaderFlags/buffer_cs4.ll b/llvm/test/CodeGen/DirectX/ShaderFlags/buffer_cs4.ll
deleted file mode 100644
index 574dd652f4e890..00000000000000
--- a/llvm/test/CodeGen/DirectX/ShaderFlags/buffer_cs4.ll
+++ /dev/null
@@ -1,24 +0,0 @@
-; RUN: opt -S --passes="print-dx-shader-flags" 2>&1 %s | FileCheck %s
-
-target triple = "dxil-pc-shadermodel4.0-compute"
-
-@G = external constant <4 x float>, align 4
-
-define void @test_bufferflags() {
-
-  ; ByteAddressBuffer Buf : register(t8, space1)
-  %srv0 = call target("dx.RawBuffer", i8, 0, 0)
-      @llvm.dx.handle.fromBinding.tdx.RawBuffer_i8_0_0t(
-          i32 1, i32 8, i32 1, i32 0, i1 false)
-
-  ret void
-}
-
-attributes #0 = { nocallback nofree nosync nounwind willreturn memory(none) }
-
-; CHECK: ; Shader Flags Value: 0x00020010
-; CHECK: ; Note: shader requires additional functionality:
-; CHECK-NEXT: ;       Raw and Structured buffers
-; CHECK-NEXT: ; Note: extra DXIL module flags:
-; CHECK-NEXT: ; D3D11_SB_GLOBAL_FLAG_ENABLE_RAW_AND_STRUCTURED_BUFFERS
-; CHECK-NEXT: {{^;$}}