45 lines
1.8 KiB
C++
45 lines
1.8 KiB
C++
// REQUIRES: x86-registered-target
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// TODO: Fix the case in llvm-ifs where it crashes on an empty Symbols list.
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// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs -c \
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// RUN: -interface-stub-version=experimental-ifs-v1 %s | FileCheck %s
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// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs -emit-merged-ifs \
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// RUN: -interface-stub-version=experimental-ifs-v1 \
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// RUN: -DUSE_TEMPLATE_FUNCTION=1 %s | \
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// RUN: FileCheck -check-prefix=CHECK-USES-TEMPLATE-FUNCTION %s
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// RUN: %clang -target x86_64-unknown-linux-gnu -o - -emit-interface-stubs -emit-merged-ifs \
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// RUN: -interface-stub-version=experimental-ifs-v1 \
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// RUN: -DSPECIALIZE_TEMPLATE_FUNCTION=1 %s | \
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// RUN: FileCheck -check-prefix=CHECK-SPECIALIZES-TEMPLATE-FUNCTION %s
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// RUN: %clang -target x86_64-unknown-linux-gnu -o - -c \
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// RUN: %s | llvm-nm - 2>&1 | FileCheck %s
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// RUN: %clang -target x86_64-unknown-linux-gnu -o - -c \
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// RUN: -DUSE_TEMPLATE_FUNCTION=1 %s | llvm-nm - 2>&1 | \
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// RUN: FileCheck -check-prefix=CHECK-USES-TEMPLATE-FUNCTION %s
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// RUN: %clang -target x86_64-unknown-linux-gnu -o - -c \
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// RUN: -DSPECIALIZE_TEMPLATE_FUNCTION=1 %s | llvm-nm - 2>&1 | \
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// RUN: FileCheck -check-prefix=CHECK-SPECIALIZES-TEMPLATE-FUNCTION %s
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// CHECK-NOT: _Z16templateFunctionIiET_S0_
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// CHECK-USES-TEMPLATE-FUNCTION-DAG: _Z16templateFunctionIiET_S0_
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// CHECK-SPECIALIZES-TEMPLATE-FUNCTION-DAG: _Z16templateFunctionIiET_S0_
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template <typename T>
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T templateFunction(T t) { return t; }
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#ifdef USE_TEMPLATE_FUNCTION
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int FortyTwo = templateFunction<int>(42);
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#endif
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#ifdef SPECIALIZE_TEMPLATE_FUNCTION
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template <>
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int templateFunction<int>(int t);
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// TODO: Make it so that -emit-interface-stubs does not emit
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// _Z16templateFunctionIiET_S0_ if there is no user of the specialization.
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int foo() { return templateFunction(42); }
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#endif
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