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2753324e82
I tried to implement this properly in r189051, but I didn't have enough test coverage. Richard kindly provided more test cases than I could possibly imagine and now we should have the correct condition. llvm-svn: 189898
72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
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// CHECK: ; ModuleID
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extern "C" int foo();
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template<typename T> struct A { static int a; };
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template<typename T> int A<T>::a = foo();
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// CHECK-NOT: @_ZN1AIcE1aE
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template<> int A<char>::a;
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// CHECK: @_ZN1AIbE1aE = global i32 10
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template<> int A<bool>::a = 10;
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// CHECK: @llvm.global_ctors = appending global [5 x { i32, void ()* }]
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// CHECK: [{ i32, void ()* } { i32 65535, void ()* @[[unordered1:[^ ]*]] },
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// CHECK: { i32, void ()* } { i32 65535, void ()* @[[unordered2:[^ ]*]] },
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// CHECK: { i32, void ()* } { i32 65535, void ()* @[[unordered3:[^ ]*]] },
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// CHECK: { i32, void ()* } { i32 65535, void ()* @[[unordered4:[^ ]*]] },
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// CHECK: { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }]
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template int A<short>::a; // Unordered
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int b = foo();
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int c = foo();
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int d = A<void>::a; // Unordered
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// An explicit specialization is ordered, and goes in __GLOBAL_I_a.
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template<> struct A<int> { static int a; };
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int A<int>::a = foo();
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template<typename T> struct S { static T x; static T y; };
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template<> int S<int>::x = foo();
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template<> int S<int>::y = S<int>::x;
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template<typename T> T x = foo();
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template short x<short>; // Unordered
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template<> int x<int> = foo();
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int e = x<char>; // Unordered
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// CHECK: define internal void @[[unordered1]]
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// CHECK: call i32 @foo()
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// CHECK: store {{.*}} @_ZN1AIsE1aE
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// CHECK: ret
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// CHECK: define internal void @[[unordered2]]
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// CHECK: call i32 @foo()
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// CHECK: store {{.*}} @_Z1xIsE
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// CHECK: ret
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// CHECK: define internal void @[[unordered3]]
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// CHECK: call i32 @foo()
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// CHECK: store {{.*}} @_ZN1AIvE1aE
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// CHECK: ret
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// CHECK: define internal void @[[unordered4]]
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// CHECK: call i32 @foo()
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// CHECK: store {{.*}} @_Z1xIcE
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// CHECK: ret
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// CHECK: define internal void @_GLOBAL__I_a()
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// We call unique stubs for every ordered dynamic initializer in the TU.
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// CHECK: call
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// CHECK: call
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// CHECK: call
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// CHECK: call
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// CHECK: call
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// CHECK: call
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// CHECK: call
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// CHECK: call
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// CHECK-NOT: call
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// CHECK: ret
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