llvm/test/FrontendC/libcalls.c
Duncan Sands bb8f59003c Remove explicit uses of -emit-llvm, the test infrastructure adds it
automatically.  Use -S with llvm-gcc rather than -c, so tests can
work when llvm-gcc is really dragonegg (which can output IR with -S
but not -c).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120158 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-25 21:24:35 +00:00

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C

// llvm-gcc -O1+ should run simplify libcalls, O0 shouldn't
// and -fno-builtins shouldn't.
// -fno-math-errno should emit an llvm intrinsic, -fmath-errno should not.
// RUN: %llvmgcc %s -S -fno-math-errno -O0 -o - | grep {call.*exp2\\.f32}
// RUN: %llvmgcc %s -S -fmath-errno -O0 -o - | grep {call.*exp2f}
// RUN: %llvmgcc %s -S -O1 -o - | grep {call.*ldexp}
// RUN: %llvmgcc %s -S -O3 -fno-builtin -o - | grep {call.*exp2f}
float exp2f(float);
float t4(unsigned char x) {
return exp2f(x);
}