Add the clang library to the repo (with some of my changes, too).

1 files changed, 116 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/x86_32-arguments.cpp b/clang/test/CodeGenCXX/x86_32-arguments.cpp
new file mode 100644
index 0000000..4404de0
--- /dev/null
+++ b/clang/test/CodeGenCXX/x86_32-arguments.cpp
@@ -0,0 +1,116 @@
+// RUN: %clang_cc1 -triple i386-apple-darwin9 -emit-llvm -o - %s | FileCheck %s
+
+// Non-trivial dtors, should both be passed indirectly.
+struct S {
+  ~S();
+  short s;
+};
+
+// CHECK: define void @_Z1fv(%struct.S* noalias sret %
+S f() { return S(); }
+// CHECK: define void @_Z1f1S(%struct.S*)
+void f(S) { }
+
+// Non-trivial dtors, should both be passed indirectly.
+class C {
+public:
+  ~C();
+  double c;
+};
+
+// CHECK: define void @_Z1gv(%class.C* noalias sret %
+C g() { return C(); }
+
+// CHECK: define void @_Z1f1C(%class.C*) 
+void f(C) { }
+
+
+
+
+// PR7058 - Missing byval on MI thunk definition.
+
+// CHECK: define void @_ZThn4_N18BasicAliasAnalysis13getModRefInfoE8CallSite
+// ...
+// CHECK: %struct.CallSite* byval align 4 %CS)
+struct CallSite {
+  unsigned Ptr;
+  CallSite(unsigned XX) : Ptr(XX) {}
+};
+
+struct AliasAnalysis {
+  virtual void xyz();
+  virtual void getModRefInfo(CallSite CS) = 0;
+};
+
+struct ModulePass {
+  virtual void xx();
+};
+
+struct BasicAliasAnalysis : public ModulePass, public AliasAnalysis {
+  void getModRefInfo(CallSite CS);
+};
+
+void BasicAliasAnalysis::getModRefInfo(CallSite CS) {
+}
+
+// Check various single element struct type conditions.
+//
+// PR7098.
+
+// CHECK: define i64 @_Z2f0v()
+struct s0_0 { int x; };
+struct s0_1 : s0_0 { int* y; };
+s0_1 f0() { return s0_1(); }
+
+// CHECK: define i32 @_Z2f1v()
+struct s1_0 { int x; };
+struct s1_1 : s1_0 { };
+s1_1 f1() { return s1_1(); }
+
+// CHECK: define double @_Z2f2v()
+struct s2_0 { double x; };
+struct s2_1 : s2_0 { };
+s2_1 f2() { return s2_1(); }
+
+// CHECK: define double @_Z2f3v()
+struct s3_0 { };
+struct s3_1 { double x; };
+struct s3_2 : s3_0, s3_1 { };
+s3_2 f3() { return s3_2(); }
+
+// CHECK: define i64 @_Z2f4v()
+struct s4_0 { float x; };
+struct s4_1 { float x; };
+struct s4_2 : s4_0, s4_1 { };
+s4_2 f4() { return s4_2(); }
+
+// CHECK: define i32* @_Z2f5v()
+struct s5 { s5(); int &x; };
+s5 f5() { return s5(); }
+
+// CHECK: define i32 @_Z4f6_0M2s6i(i32 %a)
+// CHECK: define i64 @_Z4f6_1M2s6FivE({ i32, i32 }* byval align 4)
+// FIXME: It would be nice to avoid byval on the previous case.
+struct s6 {};
+typedef int s6::* s6_mdp;
+typedef int (s6::*s6_mfp)();
+s6_mdp f6_0(s6_mdp a) { return a; }
+s6_mfp f6_1(s6_mfp a) { return a; }
+
+// CHECK: define double @_Z2f7v()
+struct s7_0 { unsigned : 0; };
+struct s7_1 { double x; };
+struct s7 : s7_0, s7_1 { };
+s7 f7() { return s7(); }
+
+// CHECK: define void @_Z2f8v(%struct.s8* noalias sret %agg.result)
+struct s8_0 { };
+struct s8_1 { double x; };
+struct s8 { s8_0 a; s8_1 b; };
+s8 f8() { return s8(); }
+
+// CHECK: define void @_Z2f9v(%struct.s9* noalias sret %agg.result)
+struct s9_0 { unsigned : 0; };
+struct s9_1 { double x; };
+struct s9 { s9_0 a; s9_1 b; };
+s9 f9() { return s9(); }