[clang] [HLSL] Constant buffer layout struct update (PR #124840)

Joshua Batista via cfe-commits cfe-commits at lists.llvm.org
Fri Feb 7 11:20:31 PST 2025


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@@ -48,94 +48,108 @@ struct TwoFloats {
 // CHECK: HLSLResourceClassAttr {{.*}} Implicit CBuffer
 // CHECK: HLSLResourceAttr {{.*}} Implicit CBuffer
 cbuffer CB {
-  // CHECK: VarDecl {{.*}} col:9 used a1 'hlsl_constant float'
+  // CHECK: VarDecl {{.*}} used a1 'hlsl_constant float'
   float a1;
-  // CHECK: CXXRecordDecl {{.*}} implicit referenced class __layout_CB definition
-  // CHECK: FieldDecl {{.*}} a1 'float'
+  // CHECK: CXXRecordDecl {{.*}} implicit referenced struct __cblayout_CB definition
+  // CHECK: PackedAttr
+  // CHECK-NEXT: FieldDecl {{.*}} a1 'float'
 }
-_Static_assert(__builtin_hlsl_is_scalarized_layout_compatible(OneFloat, __layout_CB), "");
+_Static_assert(__builtin_hlsl_is_scalarized_layout_compatible(OneFloat, __cblayout_CB), "");
 
 // Check that buffer layout struct does not include resources or empty types 
-// CHECK: HLSLBufferDecl {{.*}} line:62:9 cbuffer CB
+// CHECK: HLSLBufferDecl {{.*}} line:[[# @LINE + 3]]:9 cbuffer CB
 // CHECK: HLSLResourceClassAttr {{.*}} Implicit CBuffer
 // CHECK: HLSLResourceAttr {{.*}} Implicit CBuffer
 cbuffer CB {
-  // CHECK: VarDecl {{.*}} col:9 used a2 'hlsl_constant float'
+  // CHECK: VarDecl {{.*}} used a2 'hlsl_constant float'
   float a2;
-  // CHECK: VarDecl {{.*}} col:19 b2 'RWBuffer<float>':'hlsl::RWBuffer<float>'
+  // CHECK: VarDecl {{.*}} b2 'RWBuffer<float>':'hlsl::RWBuffer<float>'
----------------
bob80905 wrote:

Curious, you didn't change any diagnostics in the change, so how did the `col` disappear?

https://github.com/llvm/llvm-project/pull/124840


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