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[CIR] ThrowOp with Complex type as Subexpr #163078
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[CIR] ThrowOp with Complex type as Subexpr #163078
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@llvm/pr-subscribers-clangir Author: Amr Hesham (AmrDeveloper) ChangesUpstream support to throw Complex type with RTTI and update Issue #154992 Full diff: https://github.com/llvm/llvm-project/pull/163078.diff 3 Files Affected:
diff --git a/clang/lib/CIR/CodeGen/CIRGenItaniumCXXABI.cpp b/clang/lib/CIR/CodeGen/CIRGenItaniumCXXABI.cpp
index 9e490c6d054a4..3e1cf2452515f 100644
--- a/clang/lib/CIR/CodeGen/CIRGenItaniumCXXABI.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenItaniumCXXABI.cpp
@@ -913,8 +913,7 @@ const char *vTableClassNameForType(const CIRGenModule &cgm, const Type *ty) {
case Type::Atomic:
// FIXME: GCC treats block pointers as fundamental types?!
case Type::BlockPointer:
- cgm.errorNYI("VTableClassNameForType: __fundamental_type_info");
- break;
+ return "_ZTVN10__cxxabiv123__fundamental_type_infoE";
case Type::ConstantArray:
case Type::IncompleteArray:
case Type::VariableArray:
diff --git a/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp b/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
index a1ecfc7a70909..3a629095792e2 100644
--- a/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
+++ b/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
@@ -1793,12 +1793,20 @@ CIRToLLVMGlobalOpLowering::getComdatAttr(cir::GlobalOp &op,
if (!comdatOp) {
builder.setInsertionPointToStart(module.getBody());
comdatOp =
- builder.create<mlir::LLVM::ComdatOp>(module.getLoc(), comdatName);
+ mlir::LLVM::ComdatOp::create(builder, module.getLoc(), comdatName);
+ }
+
+ if (auto comdatSelector = comdatOp.lookupSymbol<mlir::LLVM::ComdatSelectorOp>(
+ op.getSymName())) {
+ return mlir::SymbolRefAttr::get(
+ builder.getContext(), comdatName,
+ mlir::FlatSymbolRefAttr::get(comdatSelector.getSymNameAttr()));
}
builder.setInsertionPointToStart(&comdatOp.getBody().back());
- auto selectorOp = builder.create<mlir::LLVM::ComdatSelectorOp>(
- comdatOp.getLoc(), op.getSymName(), mlir::LLVM::comdat::Comdat::Any);
+ auto selectorOp = mlir::LLVM::ComdatSelectorOp::create(
+ builder, comdatOp.getLoc(), op.getSymName(),
+ mlir::LLVM::comdat::Comdat::Any);
return mlir::SymbolRefAttr::get(
builder.getContext(), comdatName,
mlir::FlatSymbolRefAttr::get(selectorOp.getSymNameAttr()));
diff --git a/clang/test/CIR/CodeGen/throws.cpp b/clang/test/CIR/CodeGen/throws.cpp
index ff6aa62157faa..4255d436d4a32 100644
--- a/clang/test/CIR/CodeGen/throws.cpp
+++ b/clang/test/CIR/CodeGen/throws.cpp
@@ -123,3 +123,24 @@ void paren_expr() { (throw 0, 1 + 2); }
// OGCG: %[[EXCEPTION_ADDR:.*]] = call ptr @__cxa_allocate_exception(i64 4)
// OGCG: store i32 0, ptr %[[EXCEPTION_ADDR]], align 16
// OGCG: call void @__cxa_throw(ptr %[[EXCEPTION_ADDR]], ptr @_ZTIi, ptr null)
+
+void throw_complex_expr() {
+ throw __builtin_complex(1.1f, 2.2f);
+}
+
+// CIR: %[[EXCEPTION_ADDR:.*]] = cir.alloc.exception 8 -> !cir.ptr<!cir.complex<!cir.float>>
+// CIR: %[[EXCEPTION_VALUE:.*]] = cir.const #cir.const_complex<#cir.fp<1.100000e+00> : !cir.float, #cir.fp<2.200000e+00> : !cir.float> : !cir.complex<!cir.float>
+// CIR: cir.store{{.*}} %[[EXCEPTION_VALUE]], %[[EXCEPTION_ADDR]] : !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>
+// CIR: cir.throw %[[EXCEPTION_ADDR]] : !cir.ptr<!cir.complex<!cir.float>>, @_ZTICf
+// CIR: cir.unreachable
+
+// LLVM: %[[EXCEPTION_ADDR:.*]] = call ptr @__cxa_allocate_exception(i64 8)
+// LLVM: store { float, float } { float 0x3FF19999A0000000, float 0x40019999A0000000 }, ptr %[[EXCEPTION_ADDR]], align 16
+// LLVM: call void @__cxa_throw(ptr %[[EXCEPTION_ADDR]], ptr @_ZTICf, ptr null)
+
+// OGCG: %[[EXCEPTION_ADDR:.*]] = call ptr @__cxa_allocate_exception(i64 8)
+// OGCG: %[[EXCEPTION_REAL:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[EXCEPTION_ADDR]], i32 0, i32 0
+// OGCG: %[[EXCEPTION_IMAG:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[EXCEPTION_ADDR]], i32 0, i32 1
+// OGCG: store float 0x3FF19999A0000000, ptr %[[EXCEPTION_REAL]], align 16
+// OGCG: store float 0x40019999A0000000, ptr %[[EXCEPTION_IMAG]], align 4
+// OGCG: call void @__cxa_throw(ptr %[[EXCEPTION_ADDR]], ptr @_ZTICf, ptr null)
|
@llvm/pr-subscribers-clang Author: Amr Hesham (AmrDeveloper) ChangesUpstream support to throw Complex type with RTTI and update Issue #154992 Full diff: https://github.com/llvm/llvm-project/pull/163078.diff 3 Files Affected:
diff --git a/clang/lib/CIR/CodeGen/CIRGenItaniumCXXABI.cpp b/clang/lib/CIR/CodeGen/CIRGenItaniumCXXABI.cpp
index 9e490c6d054a4..3e1cf2452515f 100644
--- a/clang/lib/CIR/CodeGen/CIRGenItaniumCXXABI.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenItaniumCXXABI.cpp
@@ -913,8 +913,7 @@ const char *vTableClassNameForType(const CIRGenModule &cgm, const Type *ty) {
case Type::Atomic:
// FIXME: GCC treats block pointers as fundamental types?!
case Type::BlockPointer:
- cgm.errorNYI("VTableClassNameForType: __fundamental_type_info");
- break;
+ return "_ZTVN10__cxxabiv123__fundamental_type_infoE";
case Type::ConstantArray:
case Type::IncompleteArray:
case Type::VariableArray:
diff --git a/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp b/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
index a1ecfc7a70909..3a629095792e2 100644
--- a/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
+++ b/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
@@ -1793,12 +1793,20 @@ CIRToLLVMGlobalOpLowering::getComdatAttr(cir::GlobalOp &op,
if (!comdatOp) {
builder.setInsertionPointToStart(module.getBody());
comdatOp =
- builder.create<mlir::LLVM::ComdatOp>(module.getLoc(), comdatName);
+ mlir::LLVM::ComdatOp::create(builder, module.getLoc(), comdatName);
+ }
+
+ if (auto comdatSelector = comdatOp.lookupSymbol<mlir::LLVM::ComdatSelectorOp>(
+ op.getSymName())) {
+ return mlir::SymbolRefAttr::get(
+ builder.getContext(), comdatName,
+ mlir::FlatSymbolRefAttr::get(comdatSelector.getSymNameAttr()));
}
builder.setInsertionPointToStart(&comdatOp.getBody().back());
- auto selectorOp = builder.create<mlir::LLVM::ComdatSelectorOp>(
- comdatOp.getLoc(), op.getSymName(), mlir::LLVM::comdat::Comdat::Any);
+ auto selectorOp = mlir::LLVM::ComdatSelectorOp::create(
+ builder, comdatOp.getLoc(), op.getSymName(),
+ mlir::LLVM::comdat::Comdat::Any);
return mlir::SymbolRefAttr::get(
builder.getContext(), comdatName,
mlir::FlatSymbolRefAttr::get(selectorOp.getSymNameAttr()));
diff --git a/clang/test/CIR/CodeGen/throws.cpp b/clang/test/CIR/CodeGen/throws.cpp
index ff6aa62157faa..4255d436d4a32 100644
--- a/clang/test/CIR/CodeGen/throws.cpp
+++ b/clang/test/CIR/CodeGen/throws.cpp
@@ -123,3 +123,24 @@ void paren_expr() { (throw 0, 1 + 2); }
// OGCG: %[[EXCEPTION_ADDR:.*]] = call ptr @__cxa_allocate_exception(i64 4)
// OGCG: store i32 0, ptr %[[EXCEPTION_ADDR]], align 16
// OGCG: call void @__cxa_throw(ptr %[[EXCEPTION_ADDR]], ptr @_ZTIi, ptr null)
+
+void throw_complex_expr() {
+ throw __builtin_complex(1.1f, 2.2f);
+}
+
+// CIR: %[[EXCEPTION_ADDR:.*]] = cir.alloc.exception 8 -> !cir.ptr<!cir.complex<!cir.float>>
+// CIR: %[[EXCEPTION_VALUE:.*]] = cir.const #cir.const_complex<#cir.fp<1.100000e+00> : !cir.float, #cir.fp<2.200000e+00> : !cir.float> : !cir.complex<!cir.float>
+// CIR: cir.store{{.*}} %[[EXCEPTION_VALUE]], %[[EXCEPTION_ADDR]] : !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>
+// CIR: cir.throw %[[EXCEPTION_ADDR]] : !cir.ptr<!cir.complex<!cir.float>>, @_ZTICf
+// CIR: cir.unreachable
+
+// LLVM: %[[EXCEPTION_ADDR:.*]] = call ptr @__cxa_allocate_exception(i64 8)
+// LLVM: store { float, float } { float 0x3FF19999A0000000, float 0x40019999A0000000 }, ptr %[[EXCEPTION_ADDR]], align 16
+// LLVM: call void @__cxa_throw(ptr %[[EXCEPTION_ADDR]], ptr @_ZTICf, ptr null)
+
+// OGCG: %[[EXCEPTION_ADDR:.*]] = call ptr @__cxa_allocate_exception(i64 8)
+// OGCG: %[[EXCEPTION_REAL:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[EXCEPTION_ADDR]], i32 0, i32 0
+// OGCG: %[[EXCEPTION_IMAG:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[EXCEPTION_ADDR]], i32 0, i32 1
+// OGCG: store float 0x3FF19999A0000000, ptr %[[EXCEPTION_REAL]], align 16
+// OGCG: store float 0x40019999A0000000, ptr %[[EXCEPTION_IMAG]], align 4
+// OGCG: call void @__cxa_throw(ptr %[[EXCEPTION_ADDR]], ptr @_ZTICf, ptr null)
|
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lgtm
Upstream support to throw Complex type with RTTI and update
getComdatAttr
to perform symtab lookup before adding new selector to comdat, to avoid generating duplicate symbol in comdat.Ref from FIR: https://github.com/llvm/clangir/blob/8c0951a3efbc6fec04312d36739771b2c840c8d2/flang/lib/Optimizer/CodeGen/CodeGen.cpp#L3281-L3283
Issue #154992