Testcase for (llvm-gcc) 73873. Usually

std::pair<double, float*>
is 16 bytes on darwin-powerpc, but not always.
See testcase for full weirdness.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73874 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/FrontendC++/2009-06-20-DarwinPPCLayout.cpp b/test/FrontendC++/2009-06-20-DarwinPPCLayout.cpp
new file mode 100644 (file)
index 0000000..eef0e86
--- /dev/null
+++ b/test/FrontendC++/2009-06-20-DarwinPPCLayout.cpp
@@ -0,0 +1,32 @@
+// RUN: %llvmgxx -S -m32 -emit-llvm %s -o - | grep baz | grep global | grep {struct.bar}
+// RUN: %llvmgxx -S -m32 -emit-llvm %s -o - | grep ccc | grep global | grep {struct.CC}
+// RUN: %llvmgxx -S -m32 -emit-llvm %s -o - | grep quux | grep global | grep {struct.bar}
+// RUN: %llvmgxx -S -m32 -emit-llvm %s -o - | grep foo | grep global | grep {struct.SRCFilter::FilterEntry}
+// RUN: %llvmgxx -S -m32 -emit-llvm %s -o - | grep {struct.bar} | grep {1 x i32}
+// RUN: %llvmgxx -S -m32 -emit-llvm %s -o - | grep {struct.CC} | grep {struct.bar}
+// RUN: %llvmgxx -S -m32 -emit-llvm %s -o - | grep {struct.bar} | grep {1 x i32}
+// RUN: %llvmgxx -S -m32 -emit-llvm %s -o - | grep {struct.SRCFilter::FilterEntry} | not grep {1 x i32}
+// XFAIL: *
+// XTARGET: powerpc-apple-darwin
+
+template<class _T1, class _T2>     struct payre     {
+  _T1 first;
+  _T2 second;
+  payre()       : first(), second() {    }
+};
+struct KBFP {
+  double mCutoffFrequency;
+};
+class SRCFilter {
+  struct FilterEntry: public payre<KBFP, float*>{};
+  static FilterEntry foo;
+};
+SRCFilter::FilterEntry SRCFilter::foo;    // 12 bytes
+payre<KBFP, float*> baz;                  // 16 bytes
+class CC {                                // 16 bytes
+  public: payre<KBFP, float*> x;          
+};
+class CC ccc;
+
+struct bar { KBFP x; float* y;};          // 16 bytes
+struct bar quux;