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1 // llvm-gcc -O1+ should run simplify libcalls, O0 shouldn't
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2 // and -fno-builtins shouldn't.
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3 // -fno-math-errno should emit an llvm intrinsic, -fmath-errno should not.
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4 // RUN: %clang_cc1 %s -emit-llvm -fno-math-errno -o - | grep {call.*exp2\\..*f}
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5 // RUN: %clang_cc1 %s -emit-llvm -fmath-errno -o - | grep {call.*exp2l}
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6 // RUN: %clang_cc1 %s -emit-llvm -O1 -o - | grep {call.*ldexp}
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7 // RUN: %clang_cc1 %s -emit-llvm -O3 -fno-builtin -o - | grep {call.*exp2l}
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8
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9 // clang doesn't support this yet.
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10 // XFAIL: *
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11
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12 // If this fails for you because your target doesn't support long double,
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13 // please xfail the test.
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14
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15 long double exp2l(long double);
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16
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17 long double t4(unsigned char x) {
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18 return exp2l(x);
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19 }
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