diff options
Diffstat (limited to 'compiler-rt/lib/ubsan/lit_tests/Float/cast-overflow.cpp')
| -rw-r--r-- | compiler-rt/lib/ubsan/lit_tests/Float/cast-overflow.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/compiler-rt/lib/ubsan/lit_tests/Float/cast-overflow.cpp b/compiler-rt/lib/ubsan/lit_tests/Float/cast-overflow.cpp index b9c5d38c078..24b654a48fa 100644 --- a/compiler-rt/lib/ubsan/lit_tests/Float/cast-overflow.cpp +++ b/compiler-rt/lib/ubsan/lit_tests/Float/cast-overflow.cpp @@ -14,6 +14,7 @@ // This test assumes float and double are IEEE-754 single- and double-precision. #include <stdint.h> +#include <stdio.h> #include <string.h> float Inf; @@ -30,8 +31,10 @@ int main(int argc, char **argv) { float MaxFloatRepresentableAsUInt = 0xffffff00u; (unsigned int)MaxFloatRepresentableAsUInt; // ok +#ifdef __SIZEOF_INT128__ unsigned __int128 FloatMaxAsUInt128 = -((unsigned __int128)1 << 104); (void)(float)FloatMaxAsUInt128; // ok +#endif // Build a '+Inf'. char InfVal[] = { 0x00, 0x00, 0x80, 0x7f }; @@ -71,8 +74,13 @@ int main(int argc, char **argv) { // Integer -> floating point overflow. case '6': - // CHECK-6: fatal error: value 0xffffff00000000000000000000000001 is outside the range of representable values of type 'float' + // CHECK-6: {{fatal error: value 0xffffff00000000000000000000000001 is outside the range of representable values of type 'float'|__int128 not supported}} +#ifdef __SIZEOF_INT128__ return (float)(FloatMaxAsUInt128 + 1); +#else + puts("__int128 not supported"); + return 0; +#endif // FIXME: The backend cannot lower __fp16 operations on x86 yet. //case '7': // (__fp16)65504; // ok |
