[llvm] e4d21ae - [DirectX] Move DXIL Resource Access Pass before Intrinsic Expansion Pass (#139562)

[via llvm-commits]

Author: Sarah Spall
Date: 2025-05-13T15:05:01-07:00
New Revision: e4d21aea042d4b9463ba0614f0a5c052a0ad5b57

URL: https://github.com/llvm/llvm-project/commit/e4d21aea042d4b9463ba0614f0a5c052a0ad5b57
DIFF: https://github.com/llvm/llvm-project/commit/e4d21aea042d4b9463ba0614f0a5c052a0ad5b57.diff

LOG: [DirectX] Move DXIL Resource Access Pass before Intrinsic Expansion Pass (#139562)

Move dxil resource access legacy pass before intrinsic expansion legacy
pass so TypedBuffer Loads and Stores will be created before intrinsic
expansion.
This is to facilitate #104423

Added: 
    

Modified: 
    llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
    llvm/test/CodeGen/DirectX/llc-pipeline.ll

Removed: 
    


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diff  --git a/llvm/lib/Target/DirectX/DirectXTargetMachine.cpp b/llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
index 0d2730f820748..22142484cef3c 100644
--- a/llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
+++ b/llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
@@ -104,11 +104,11 @@ class DirectXPassConfig : public TargetPassConfig {
   void addCodeGenPrepare() override {
     addPass(createDXILFinalizeLinkageLegacyPass());
     addPass(createDXILResourceImplicitBindingLegacyPass());
+    addPass(createDXILResourceAccessLegacyPass());
     addPass(createDXILIntrinsicExpansionLegacyPass());
     addPass(createDXILCBufferAccessLegacyPass());
     addPass(createDXILDataScalarizationLegacyPass());
     addPass(createDXILFlattenArraysLegacyPass());
-    addPass(createDXILResourceAccessLegacyPass());
     ScalarizerPassOptions DxilScalarOptions;
     DxilScalarOptions.ScalarizeLoadStore = true;
     addPass(createScalarizerPass(DxilScalarOptions));

diff  --git a/llvm/test/CodeGen/DirectX/llc-pipeline.ll b/llvm/test/CodeGen/DirectX/llc-pipeline.ll
index 06aa6adbf0fb7..088040a491bdc 100644
--- a/llvm/test/CodeGen/DirectX/llc-pipeline.ll
+++ b/llvm/test/CodeGen/DirectX/llc-pipeline.ll
@@ -16,12 +16,13 @@
 ; CHECK-NEXT:   DXIL Finalize Linkage
 ; CHECK-NEXT:   DXIL Resource Binding Analysis
 ; CHECK-NEXT:   DXIL Resource Implicit Binding
+; CHECK-NEXT:   FunctionPass Manager
+; CHECK-NEXT:     DXIL Resource Access
 ; CHECK-NEXT:   DXIL Intrinsic Expansion
 ; CHECK-NEXT:   DXIL CBuffer Access
 ; CHECK-NEXT:   DXIL Data Scalarization
 ; CHECK-NEXT:   DXIL Array Flattener
 ; CHECK-NEXT:   FunctionPass Manager
-; CHECK-NEXT:     DXIL Resource Access
 ; CHECK-NEXT:     Dominator Tree Construction
 ; CHECK-NEXT:     Scalarize vector operations
 ; CHECK-NEXT:     DXIL Forward Handle Accesses