Revert changes to DefaultABIInfo accidentally introduced in r208733
Also add trivial handling of transparent unions.
PPC32, MSP430, and XCore apparently all rely on DefaultABIInfo. This
should worry you, because DefaultABIInfo is not implementing the rules
of any particular ABI.
Fixes PR23097, patch by Andy Gibbs.
llvm-svn: 237630
diff --git a/clang/test/CodeGenCXX/powerpc-byval.cpp b/clang/test/CodeGenCXX/powerpc-byval.cpp
new file mode 100644
index 0000000..ff87618
--- /dev/null
+++ b/clang/test/CodeGenCXX/powerpc-byval.cpp
@@ -0,0 +1,12 @@
+// RUN: %clang_cc1 -emit-llvm %s -o - -triple=powerpc-unknown-linux | FileCheck %s
+
+struct S {
+ S();
+ ~S();
+};
+
+void byval(S one, S two) {
+ one = two;
+}
+
+// CHECK: define void @_Z5byval1SS_(%struct.S* %one, %struct.S* %two)