28 lines
730 B
C++
28 lines
730 B
C++
// RUN: %clang_cc1 -triple=x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s
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// PR8839
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extern "C" char memmove();
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int main() {
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// CHECK: call {{signext i8|i8}} @memmove()
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return memmove();
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}
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struct S;
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// CHECK: define {{.*}} @_Z9addressofbR1SS0_(
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S *addressof(bool b, S &s, S &t) {
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// CHECK: %[[LVALUE:.*]] = phi
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// CHECK: ret {{.*}}* %[[LVALUE]]
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return __builtin_addressof(b ? s : t);
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}
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extern "C" int __builtin_abs(int); // #1
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long __builtin_abs(long); // #2
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extern "C" int __builtin_abs(int); // #3
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int x = __builtin_abs(-2);
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// CHECK: store i32 2, i32* @x, align 4
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long y = __builtin_abs(-2l);
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// CHECK: [[Y:%.+]] = call i64 @_Z13__builtin_absl(i64 -2)
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// CHECK: store i64 [[Y]], i64* @y, align 8
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