[NFC] Add float aggregate ABI test for PowerPC

4c5a93bd landed adjustment to handle C++20 no_unique_address attribute
correctly, clang treats empty members in aggregate type differently if
having this attribute. This commit adds necessary test for PowerPC
target to reflect this change.

diff --git a/clang/test/CodeGen/ppc-aggregate-abi.cpp b/clang/test/CodeGen/ppc-aggregate-abi.cpp
new file mode 100644 (file)
index 0000000..94afb6a
--- /dev/null
+++ b/clang/test/CodeGen/ppc-aggregate-abi.cpp
@@ -0,0 +1,60 @@
+// RUN: %clang_cc1 -triple powerpc64-unknown-linux-gnu -emit-llvm -x c++ \
+// RUN:   -o - %s | FileCheck %s -check-prefix=CHECK-BE
+// RUN: %clang_cc1 -triple powerpc64le-unknown-linux-gnu -emit-llvm -x c++ \
+// RUN:   -o - %s | FileCheck %s -check-prefix=CHECK-LE
+
+class agg_float_class { float a; };
+// CHECK-BE-LABEL: define void @_Z20pass_agg_float_class15agg_float_class(%class.agg_float_class* noalias sret align 4 %{{.*}}, float inreg %{{.*}})
+// CHECK-LE-LABEL: define [1 x float] @_Z20pass_agg_float_class15agg_float_class(float inreg %{{.*}})
+agg_float_class pass_agg_float_class(agg_float_class arg) { return arg; }
+
+class agg_double_class { double a; };
+// CHECK-BE-LABEL: define void @_Z21pass_agg_double_class16agg_double_class(%class.agg_double_class* noalias sret align 8 %{{.*}}, double inreg %{{.*}})
+// CHECK-LE-LABEL: define [1 x double] @_Z21pass_agg_double_class16agg_double_class(double inreg %{{.*}})
+agg_double_class pass_agg_double_class(agg_double_class arg) { return arg; }
+
+struct agg_float_cpp { float a; int : 0; };
+// CHECK-BE-LABEL: define void @_Z18pass_agg_float_cpp13agg_float_cpp(%struct.agg_float_cpp* noalias sret align 4 %{{.*}}, float inreg %{{.*}})
+// CHECK-LE-LABEL: define [1 x float] @_Z18pass_agg_float_cpp13agg_float_cpp(float inreg %{{.*}})
+agg_float_cpp pass_agg_float_cpp(agg_float_cpp arg) { return arg; }
+
+struct empty { };
+struct agg_nofloat_empty { float a; empty dummy; };
+// CHECK-BE-LABEL: define void @_Z22pass_agg_nofloat_empty17agg_nofloat_empty(%struct.agg_nofloat_empty* noalias sret align 4 %{{.*}}, i64 %{{.*}})
+// CHECK-LE-LABEL: define i64 @_Z22pass_agg_nofloat_empty17agg_nofloat_empty(i64 %{{.*}})
+agg_nofloat_empty pass_agg_nofloat_empty(agg_nofloat_empty arg) { return arg; }
+
+struct agg_float_empty { float a; [[no_unique_address]] empty dummy; };
+// CHECK-BE-LABEL: define void @_Z20pass_agg_float_empty15agg_float_empty(%struct.agg_float_empty* noalias sret align 4 %{{.*}}, float inreg %{{.*}})
+// CHECK-LE-LABEL: define [1 x float] @_Z20pass_agg_float_empty15agg_float_empty(float inreg %{{.*}})
+agg_float_empty pass_agg_float_empty(agg_float_empty arg) { return arg; }
+
+struct agg_nofloat_emptyarray { float a; [[no_unique_address]] empty dummy[3]; };
+// CHECK-BE-LABEL: define void @_Z27pass_agg_nofloat_emptyarray22agg_nofloat_emptyarray(%struct.agg_nofloat_emptyarray* noalias sret align 4 %{{.*}}, i64 %{{.*}})
+// CHECK-LE-LABEL: define i64 @_Z27pass_agg_nofloat_emptyarray22agg_nofloat_emptyarray(i64 %{{.*}})
+agg_nofloat_emptyarray pass_agg_nofloat_emptyarray(agg_nofloat_emptyarray arg) { return arg; }
+
+struct noemptybase { empty dummy; };
+struct agg_nofloat_emptybase : noemptybase { float a; };
+// CHECK-BE-LABEL: define void @_Z26pass_agg_nofloat_emptybase21agg_nofloat_emptybase(%struct.agg_nofloat_emptybase* noalias sret align 4 %{{.*}}, i64 %{{.*}})
+// CHECK-LE-LABEL: define i64 @_Z26pass_agg_nofloat_emptybase21agg_nofloat_emptybase(i64 %{{.*}})
+agg_nofloat_emptybase pass_agg_nofloat_emptybase(agg_nofloat_emptybase arg) { return arg; }
+
+struct emptybase { [[no_unique_address]] empty dummy; };
+struct agg_float_emptybase : emptybase { float a; };
+// CHECK-BE-LABEL: define void @_Z24pass_agg_float_emptybase19agg_float_emptybase(%struct.agg_float_emptybase* noalias sret align 4 %{{.*}}, float inreg %{{.*}})
+// CHECK-LE-LABEL: define [1 x float] @_Z24pass_agg_float_emptybase19agg_float_emptybase(float inreg %{{.*}})
+agg_float_emptybase pass_agg_float_emptybase(agg_float_emptybase arg) { return arg; }
+
+struct noemptybasearray { [[no_unique_address]] empty dummy[3]; };
+struct agg_nofloat_emptybasearray : noemptybasearray { float a; };
+// CHECK-BE-LABEL: define void @_Z31pass_agg_nofloat_emptybasearray26agg_nofloat_emptybasearray(%struct.agg_nofloat_emptybasearray* noalias sret align 4 %{{.*}}, i64 %{{.*}})
+// CHECK-LE-LABEL: define i64 @_Z31pass_agg_nofloat_emptybasearray26agg_nofloat_emptybasearray(i64 %{{.*}})
+agg_nofloat_emptybasearray pass_agg_nofloat_emptybasearray(agg_nofloat_emptybasearray arg) { return arg; }
+
+// CHECK-BE: call void @_Z24pass_agg_float_emptybase19agg_float_emptybase(%struct.agg_float_emptybase* sret align 4 %{{.*}}, float inreg %{{.*}})
+// CHECK-LE: call [1 x float] @_Z24pass_agg_float_emptybase19agg_float_emptybase(float inreg %{{.*}})
+void pass_agg_float_emptybase_ptr(agg_float_emptybase* arg) { pass_agg_float_emptybase(*arg); }
+// CHECK-BE: call void @_Z26pass_agg_nofloat_emptybase21agg_nofloat_emptybase(%struct.agg_nofloat_emptybase* sret align 4 %{{.*}}, i64 %{{.*}})
+// CHECK-LE: call i64 @_Z26pass_agg_nofloat_emptybase21agg_nofloat_emptybase(i64 %{{.*}})
+void pass_agg_nofloat_emptybase_ptr(agg_nofloat_emptybase* arg) { pass_agg_nofloat_emptybase(*arg); }