diff options
Diffstat (limited to 'test/CodeGen/libcalls-ld.c')
-rw-r--r-- | test/CodeGen/libcalls-ld.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/libcalls-ld.c b/test/CodeGen/libcalls-ld.c new file mode 100644 index 000000000000..2758761b5ee1 --- /dev/null +++ b/test/CodeGen/libcalls-ld.c @@ -0,0 +1,19 @@ +// 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: %clang_cc1 %s -emit-llvm -fno-math-errno -O0 -o - | grep {call.*exp2\\..*f} +// RUN: %clang_cc1 %s -emit-llvm -fmath-errno -O0 -o - | grep {call.*exp2l} +// RUN: %clang_cc1 %s -emit-llvm -O1 -o - | grep {call.*ldexp} +// RUN: %clang_cc1 %s -emit-llvm -O3 -fno-builtin -o - | grep {call.*exp2l} + +// clang doesn't support this yet. +// XFAIL: * + +// If this fails for you because your target doesn't support long double, +// please xfail the test. + +long double exp2l(long double); + +long double t4(unsigned char x) { + return exp2l(x); +} |