Add TODO to explain the difference between CIR LLVM & OGCG

Author: AmrDeveloper

clang/test/CIR/CodeGen/complex.cpp

@@ -1317,6 +1317,9 @@ void complex_type_parameter(float _Complex a) {}
 // CIR: %[[A_ADDR:.*]] = cir.alloca !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>, ["a", init]
 // CIR: cir.store %{{.*}}, %[[A_ADDR]] : !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>
 
+// TODO(CIR): the difference between the CIR LLVM and OGCG is because the lack of calling convention lowering,
+// Test will be updated when that is implemented
+
 // LLVM: %[[A_ADDR:.*]] = alloca { float, float }, i64 1, align 4
 // LLVM: store { float, float } %{{.*}}, ptr %[[A_ADDR]], align 4
 
@@ -1333,14 +1336,14 @@ void complex_type_argument() {
 // CIR: %[[TMP_A:.*]] = cir.load{{.*}} %[[A_ADDR]] : !cir.ptr<!cir.complex<!cir.float>>, !cir.complex<!cir.float>
 // CIR: cir.store{{.*}} %[[TMP_A]], %[[ARG_ADDR]] : !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>
 // CIR: %[[TMP_ARG:.*]] = cir.load{{.*}} %[[ARG_ADDR]] : !cir.ptr<!cir.complex<!cir.float>>, !cir.complex<!cir.float>
-// CIR: cir.call @_Z5foo34Cf(%[[TMP_ARG]]) : (!cir.complex<!cir.float>) -> ()
+// CIR: cir.call @_Z22complex_type_parameterCf(%[[TMP_ARG]]) : (!cir.complex<!cir.float>) -> ()
 
 // LLVM: %[[A_ADDR:.*]] = alloca { float, float }, i64 1, align 4
 // LLVM: %[[ARG_ADDR:.*]] = alloca { float, float }, i64 1, align 4
 // LLVM: %[[TMP_A:.*]] = load { float, float }, ptr %[[A_ADDR]], align 4
 // LLVM: store { float, float } %[[TMP_A]], ptr %[[ARG_ADDR]], align 4
 // LLVM: %[[TMP_ARG:.*]] = load { float, float }, ptr %[[ARG_ADDR]], align 4
-// LLVM: call void @_Z5foo34Cf({ float, float } %[[TMP_ARG]])
+// LLVM: call void @_Z22complex_type_parameterCf({ float, float } %[[TMP_ARG]])
 
 // OGCG: %[[A_ADDR:.*]] = alloca { float, float }, align 4
 // OGCG: %[[ARG_ADDR:.*]] = alloca { float, float }, align 4
@@ -1353,4 +1356,4 @@ void complex_type_argument() {
 // OGCG: store float %[[A_REAL]], ptr %[[ARG_REAL_PTR]], align 4
 // OGCG: store float %[[A_IMAG]], ptr %[[ARG_IMAG_PTR]], align 4
 // OGCG: %[[TMP_ARG:.*]] = load <2 x float>, ptr %[[ARG_ADDR]], align 4
-// OGCG: call void @_Z5foo34Cf(<2 x float> noundef %[[TMP_ARG]])
+// OGCG: call void @_Z22complex_type_parameterCf(<2 x float> noundef %[[TMP_ARG]])