diff options
| -rw-r--r-- | source/slang/slang-lower-to-ir.cpp | 13 | ||||
| -rw-r--r-- | tests/bugs/multiple-definitions.slang | 22 |
2 files changed, 35 insertions, 0 deletions
diff --git a/source/slang/slang-lower-to-ir.cpp b/source/slang/slang-lower-to-ir.cpp index e9381268b..ad7cec773 100644 --- a/source/slang/slang-lower-to-ir.cpp +++ b/source/slang/slang-lower-to-ir.cpp @@ -7154,6 +7154,19 @@ struct DeclLoweringVisitor : DeclVisitor<DeclLoweringVisitor, LoweredValInfo> auto funcDecl = as<FunctionDeclBase>(dd); SLANG_ASSERT(funcDecl); lowerFuncDecl(funcDecl); + + // Note: Because we are iterating over multiple declarations, + // but only one will be registered as the value for `decl` + // in the global mapping by `ensureDecl()`, we have to take + // responsibility here for registering a lowered value + // for the remaining (non-primary) declarations. + // + // It doesn't really matter which one we register here, because + // they will all have the same mangled name in the IR, but we + // default to the `result` that is returned from this visitor, + // so that all the declarations share the same IR representative. + // + setGlobalValue(context->shared, funcDecl, result); } return result; } diff --git a/tests/bugs/multiple-definitions.slang b/tests/bugs/multiple-definitions.slang new file mode 100644 index 000000000..5361c97bc --- /dev/null +++ b/tests/bugs/multiple-definitions.slang @@ -0,0 +1,22 @@ +// multiple-definitions.slang +//TEST:SIMPLE:-entry main -o multiple-definitions.hlsl + +__specialized_for_target(hlsl) +int a(int x) +{ + int r = 0; + for(int i = 0; i < x; ++i) ++r; + return r; +} + +__specialized_for_target(glsl) +int a(int x) +{ + int r = 0; + for(int i = 0; i < x; ++i) ++r; + return r; +} + +[shader("compute")] +void main() +{} |