1 // RUN: %clang_cc1 -triple i386-apple-darwin9 -emit-llvm -o - %s | FileCheck %s
2 
3 // Non-trivial dtors, should both be passed indirectly.
4 struct S {
5   ~S();
6   short s;
7 };
8 
9 // CHECK-LABEL: define void @_Z1fv(%struct.S* noalias sret %
f()10 S f() { return S(); }
11 // CHECK-LABEL: define void @_Z1f1S(%struct.S*)
f(S)12 void f(S) { }
13 
14 // Non-trivial dtors, should both be passed indirectly.
15 class C {
16 public:
17   ~C();
18   double c;
19 };
20 
21 // CHECK-LABEL: define void @_Z1gv(%class.C* noalias sret %
g()22 C g() { return C(); }
23 
24 // CHECK-LABEL: define void @_Z1f1C(%class.C*)
f(C)25 void f(C) { }
26 
27 
28 
29 
30 // PR7058 - Missing byval on MI thunk definition.
31 
32 // CHECK-LABEL: define void @_ZThn4_N18BasicAliasAnalysis13getModRefInfoE8CallSite
33 // ...
34 // CHECK: %struct.CallSite* byval align 4 %CS)
35 struct CallSite {
36   unsigned Ptr;
CallSiteCallSite37   CallSite(unsigned XX) : Ptr(XX) {}
38 };
39 
40 struct AliasAnalysis {
41   virtual void xyz();
42   virtual void getModRefInfo(CallSite CS) = 0;
43 };
44 
45 struct ModulePass {
46   virtual void xx();
47 };
48 
49 struct BasicAliasAnalysis : public ModulePass, public AliasAnalysis {
50   void getModRefInfo(CallSite CS);
51 };
52 
getModRefInfo(CallSite CS)53 void BasicAliasAnalysis::getModRefInfo(CallSite CS) {
54 }
55 
56 // Check various single element struct type conditions.
57 //
58 // PR7098.
59 
60 // CHECK-LABEL: define i64 @_Z2f0v()
61 struct s0_0 { int x; };
62 struct s0_1 : s0_0 { int* y; };
f0()63 s0_1 f0() { return s0_1(); }
64 
65 // CHECK-LABEL: define i32 @_Z2f1v()
66 struct s1_0 { int x; };
67 struct s1_1 : s1_0 { };
f1()68 s1_1 f1() { return s1_1(); }
69 
70 // CHECK-LABEL: define double @_Z2f2v()
71 struct s2_0 { double x; };
72 struct s2_1 : s2_0 { };
f2()73 s2_1 f2() { return s2_1(); }
74 
75 // CHECK-LABEL: define double @_Z2f3v()
76 struct s3_0 { };
77 struct s3_1 { double x; };
78 struct s3_2 : s3_0, s3_1 { };
f3()79 s3_2 f3() { return s3_2(); }
80 
81 // CHECK-LABEL: define i64 @_Z2f4v()
82 struct s4_0 { float x; };
83 struct s4_1 { float x; };
84 struct s4_2 : s4_0, s4_1 { };
f4()85 s4_2 f4() { return s4_2(); }
86 
87 // CHECK-LABEL: define i32* @_Z2f5v()
88 struct s5 { s5(); int &x; };
f5()89 s5 f5() { return s5(); }
90 
91 // CHECK-LABEL: define i32 @_Z4f6_0M2s6i(i32 %a)
92 // CHECK: define i64 @_Z4f6_1M2s6FivE({ i32, i32 }* byval align 4)
93 // FIXME: It would be nice to avoid byval on the previous case.
94 struct s6 {};
95 typedef int s6::* s6_mdp;
96 typedef int (s6::*s6_mfp)();
f6_0(s6_mdp a)97 s6_mdp f6_0(s6_mdp a) { return a; }
f6_1(s6_mfp a)98 s6_mfp f6_1(s6_mfp a) { return a; }
99 
100 // CHECK-LABEL: define double @_Z2f7v()
101 struct s7_0 { unsigned : 0; };
102 struct s7_1 { double x; };
103 struct s7 : s7_0, s7_1 { };
f7()104 s7 f7() { return s7(); }
105 
106 // CHECK-LABEL: define void @_Z2f8v(%struct.s8* noalias sret %agg.result)
107 struct s8_0 { };
108 struct s8_1 { double x; };
109 struct s8 { s8_0 a; s8_1 b; };
f8()110 s8 f8() { return s8(); }
111 
112 // CHECK-LABEL: define void @_Z2f9v(%struct.s9* noalias sret %agg.result)
113 struct s9_0 { unsigned : 0; };
114 struct s9_1 { double x; };
115 struct s9 { s9_0 a; s9_1 b; };
f9()116 s9 f9() { return s9(); }
117