117 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			117 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
| // 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-LABEL: define void @_Z1fv(%struct.S* noalias sret %
 | |
| S f() { return S(); }
 | |
| // CHECK-LABEL: define void @_Z1f1S(%struct.S*)
 | |
| void f(S) { }
 | |
| 
 | |
| // Non-trivial dtors, should both be passed indirectly.
 | |
| class C {
 | |
| public:
 | |
|   ~C();
 | |
|   double c;
 | |
| };
 | |
| 
 | |
| // CHECK-LABEL: define void @_Z1gv(%class.C* noalias sret %
 | |
| C g() { return C(); }
 | |
| 
 | |
| // CHECK-LABEL: define void @_Z1f1C(%class.C*) 
 | |
| void f(C) { }
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| // PR7058 - Missing byval on MI thunk definition.
 | |
| 
 | |
| // CHECK-LABEL: 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-LABEL: define i64 @_Z2f0v()
 | |
| struct s0_0 { int x; };
 | |
| struct s0_1 : s0_0 { int* y; };
 | |
| s0_1 f0() { return s0_1(); }
 | |
| 
 | |
| // CHECK-LABEL: define i32 @_Z2f1v()
 | |
| struct s1_0 { int x; };
 | |
| struct s1_1 : s1_0 { };
 | |
| s1_1 f1() { return s1_1(); }
 | |
| 
 | |
| // CHECK-LABEL: define double @_Z2f2v()
 | |
| struct s2_0 { double x; };
 | |
| struct s2_1 : s2_0 { };
 | |
| s2_1 f2() { return s2_1(); }
 | |
| 
 | |
| // CHECK-LABEL: 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-LABEL: 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-LABEL: define i32* @_Z2f5v()
 | |
| struct s5 { s5(); int &x; };
 | |
| s5 f5() { return s5(); }
 | |
| 
 | |
| // CHECK-LABEL: 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-LABEL: define double @_Z2f7v()
 | |
| struct s7_0 { unsigned : 0; };
 | |
| struct s7_1 { double x; };
 | |
| struct s7 : s7_0, s7_1 { };
 | |
| s7 f7() { return s7(); }
 | |
| 
 | |
| // CHECK-LABEL: 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-LABEL: 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(); }
 |