225 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			225 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -fblocks -emit-llvm -o - %s -fexceptions -std=c++11 | FileCheck %s
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| 
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| // CHECK-NOT: @unused
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| auto unused = [](int i) { return i+1; };
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| 
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| // CHECK: @used = internal global
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| auto used = [](int i) { return i+1; };
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| void *use = &used;
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| 
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| // CHECK: @cvar = global
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| extern "C" auto cvar = []{};
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| 
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| // CHECK-LABEL: define i32 @_Z9ARBSizeOfi(i32
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| int ARBSizeOf(int n) {
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|   typedef double(T)[8][n];
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|   using TT = double[8][n];
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|   return [&]() -> int {
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|     typedef double(T1)[8][n];
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|     using TT1 = double[8][n];
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|     return [&n]() -> int {
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|       typedef double(T2)[8][n];
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|       using TT2 = double[8][n];
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|       return sizeof(T) + sizeof(T1) + sizeof(T2) + sizeof(TT) + sizeof(TT1) + sizeof(TT2);
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|     }();
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|   }();
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| }
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| 
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| // CHECK-LABEL: define internal i32 @"_ZZ9ARBSizeOfiENK3$_0clEv"
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| 
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| int a() { return []{ return 1; }(); }
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| // CHECK-LABEL: define i32 @_Z1av
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| // CHECK: call i32 @"_ZZ1avENK3$_1clEv"
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| // CHECK-LABEL: define internal i32 @"_ZZ1avENK3$_1clEv"
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| // CHECK: ret i32 1
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| 
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| int b(int x) { return [x]{return x;}(); }
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| // CHECK-LABEL: define i32 @_Z1bi
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| // CHECK: store i32
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| // CHECK: load i32, i32*
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| // CHECK: store i32
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| // CHECK: call i32 @"_ZZ1biENK3$_2clEv"
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| // CHECK-LABEL: define internal i32 @"_ZZ1biENK3$_2clEv"
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| // CHECK: load i32, i32*
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| // CHECK: ret i32
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| 
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| int c(int x) { return [&x]{return x;}(); }
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| // CHECK-LABEL: define i32 @_Z1ci
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| // CHECK: store i32
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| // CHECK: store i32*
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| // CHECK: call i32 @"_ZZ1ciENK3$_3clEv"
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| // CHECK-LABEL: define internal i32 @"_ZZ1ciENK3$_3clEv"
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| // CHECK: load i32*, i32**
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| // CHECK: load i32, i32*
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| // CHECK: ret i32
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| 
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| struct D { D(); D(const D&); int x; };
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| int d(int x) { D y[10]; return [x,y] { return y[x].x; }(); }
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| 
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| // CHECK-LABEL: define i32 @_Z1di
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| // CHECK: call void @_ZN1DC1Ev
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| // CHECK: br label
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| // CHECK: call void @_ZN1DC1ERKS_
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| // CHECK: icmp eq i64 %{{.*}}, 10
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| // CHECK: br i1
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| // CHECK: call i32 @"_ZZ1diENK3$_4clEv"
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| // CHECK-LABEL: define internal i32 @"_ZZ1diENK3$_4clEv"
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| // CHECK: load i32, i32*
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| // CHECK: load i32, i32*
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| // CHECK: ret i32
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| 
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| struct E { E(); E(const E&); ~E(); int x; };
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| int e(E a, E b, bool cond) { return [a,b,cond](){ return (cond ? a : b).x; }(); }
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| // CHECK-LABEL: define i32 @_Z1e1ES_b
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| // CHECK: call void @_ZN1EC1ERKS_
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| // CHECK: invoke void @_ZN1EC1ERKS_
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| // CHECK: invoke i32 @"_ZZ1e1ES_bENK3$_5clEv"
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| // CHECK: call void @"_ZZ1e1ES_bEN3$_5D1Ev"
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| // CHECK: call void @"_ZZ1e1ES_bEN3$_5D1Ev"
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| 
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| // CHECK-LABEL: define internal i32 @"_ZZ1e1ES_bENK3$_5clEv"
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| // CHECK: trunc i8
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| // CHECK: load i32, i32*
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| // CHECK: ret i32
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| 
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| void f() {
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|   // CHECK-LABEL: define void @_Z1fv()
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|   // CHECK: @"_ZZ1fvENK3$_6cvPFiiiEEv"
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|   // CHECK-NEXT: store i32 (i32, i32)*
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|   // CHECK-NEXT: ret void
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|   int (*fp)(int, int) = [](int x, int y){ return x + y; };
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| }
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| 
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| static int k;
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| int g() {
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|   int &r = k;
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|   // CHECK-LABEL: define internal i32 @"_ZZ1gvENK3$_7clEv"(
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|   // CHECK-NOT: }
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|   // CHECK: load i32, i32* @_ZL1k,
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|   return [] { return r; } ();
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| };
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| 
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| // PR14773
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| // CHECK: [[ARRVAL:%[0-9a-zA-Z]*]] = load i32, i32* getelementptr inbounds ([0 x i32], [0 x i32]* @_ZZ14staticarrayrefvE5array, i64 0, i64 0), align 4
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| // CHECK-NEXT: store i32 [[ARRVAL]]
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| void staticarrayref(){
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|   static int array[] = {};
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|   (void)[](){
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|     int (&xxx)[0] = array;
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|     int y = xxx[0];
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|   }();
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| }
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| 
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| // CHECK-LABEL: define internal i32* @"_ZZ11PR22071_funvENK3$_9clEv"
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| // CHECK: ret i32* @PR22071_var
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| int PR22071_var;
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| int *PR22071_fun() {
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|   constexpr int &y = PR22071_var;
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|   return [&] { return &y; }();
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| }
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| 
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| namespace pr28595 {
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|   struct Temp {
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|     Temp();
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|     ~Temp() noexcept(false);
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|   };
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|   struct A {
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|     A();
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|     A(const A &a, const Temp &temp = Temp());
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|     ~A();
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|   };
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| 
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|   void after_init() noexcept;
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| 
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|   // CHECK-LABEL: define void @_ZN7pr285954testEv()
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|   void test() {
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|     // CHECK: %[[SRC:.*]] = alloca [3 x [5 x %[[A:.*]]]], align 1
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|     A array[3][5];
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| 
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|     // Skip over the initialization loop.
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|     // CHECK: call {{.*}}after_init
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|     after_init();
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| 
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|     // CHECK: %[[DST_0:.*]] = getelementptr {{.*}} [3 x [5 x %[[A]]]]* %[[DST:.*]], i64 0, i64 0
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|     // CHECK: br label
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|     // CHECK: %[[I:.*]] = phi i64 [ 0, %{{.*}} ], [ %[[I_NEXT:.*]], {{.*}} ]
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|     // CHECK: %[[DST_I:.*]] = getelementptr {{.*}} [5 x %[[A]]]* %[[DST_0]], i64 %[[I]]
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|     // CHECK: %[[SRC_I:.*]] = getelementptr {{.*}} [3 x [5 x %[[A]]]]* %[[SRC]], i64 0, i64 %[[I]]
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|     //
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|     // CHECK: %[[DST_I_0:.*]] = getelementptr {{.*}} [5 x %[[A]]]* %[[DST_I]], i64 0, i64 0
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|     // CHECK: br label
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|     // CHECK: %[[J:.*]] = phi i64 [ 0, %{{.*}} ], [ %[[J_NEXT:.*]], {{.*}} ]
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|     // CHECK: %[[DST_I_J:.*]] = getelementptr {{.*}} %[[A]]* %[[DST_I_0]], i64 %[[J]]
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|     // CHECK: %[[DST_0_0:.*]] = bitcast [5 x %[[A]]]* %[[DST_0]] to %[[A]]*
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|     // CHECK: %[[SRC_I_J:.*]] = getelementptr {{.*}} [5 x %[[A]]]* %[[SRC_I]], i64 0, i64 %[[J]]
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|     //
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|     // CHECK: invoke void @_ZN7pr285954TempC1Ev
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|     // CHECK: invoke void @_ZN7pr285951AC1ERKS0_RKNS_4TempE
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|     // CHECK: invoke void @_ZN7pr285954TempD1Ev
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|     //
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|     // CHECK: add nuw i64 %[[J]], 1
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|     // CHECK: icmp eq
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|     // CHECK: br i1
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|     //
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|     // CHECK: add nuw i64 %[[I]], 1
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|     // CHECK: icmp eq
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|     // CHECK: br i1
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|     //
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|     // CHECK: ret void
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|     //  
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|     // CHECK: landingpad
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|     // CHECK: landingpad
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|     // CHECK: br label %[[CLEANUP:.*]]{{$}}
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|     // CHECK: landingpad
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|     // CHECK: invoke void @_ZN7pr285954TempD1Ev
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|     // CHECK: br label %[[CLEANUP]]
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|     //
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|     // CHECK: [[CLEANUP]]:
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|     // CHECK: icmp eq %[[A]]* %[[DST_0_0]], %[[DST_I_J]]
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|     // CHECK: %[[T0:.*]] = phi %[[A]]*
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|     // CHECK: %[[T1:.*]] = getelementptr inbounds %[[A]], %[[A]]* %[[T0]], i64 -1
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|     // CHECK: call void @_ZN7pr285951AD1Ev(%[[A]]* %[[T1]])
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|     // CHECK: icmp eq %[[A]]* %[[T1]], %[[DST_0_0]]
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|     (void) [array]{};
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|   }
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| }
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| 
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| // CHECK-LABEL: define internal void @"_ZZ1e1ES_bEN3$_5D2Ev"
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| 
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| // CHECK-LABEL: define internal i32 @"_ZZ1fvEN3$_68__invokeEii"
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| // CHECK: store i32
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| // CHECK-NEXT: store i32
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| // CHECK-NEXT: load i32, i32*
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| // CHECK-NEXT: load i32, i32*
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| // CHECK-NEXT: call i32 @"_ZZ1fvENK3$_6clEii"
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| // CHECK-NEXT: ret i32
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| 
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| // CHECK-LABEL: define internal void @"_ZZ1hvEN4$_118__invokeEv"(%struct.A* noalias sret %agg.result) {{.*}} {
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| // CHECK-NOT: =
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| // CHECK: call void @"_ZZ1hvENK4$_11clEv"(%struct.A* sret %agg.result,
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| // CHECK-NEXT: ret void
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| struct A { ~A(); };
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| void h() {
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|   A (*h)() = [] { return A(); };
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| }
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| 
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| // <rdar://problem/12778708>
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| struct XXX {};
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| void nestedCapture () {
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|   XXX localKey;
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|   ^() {
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|     [&]() {
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|       ^{ XXX k = localKey; };
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|     };
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|   };
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| }
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| 
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| // Ensure we don't assert here.
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| struct CaptureArrayAndThis {
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|   CaptureArrayAndThis() {
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|     char array[] = "floop";
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|     [array, this] {};
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|   }
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| } capture_array_and_this;
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| 
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