| /* crosstest.py --test=test_cast.cpp --test=test_cast_to_u1.ll \ |
| --driver=test_cast_main.cpp --prefix=Subzero_ --output=test_cast */ |
| |
| #include <cstring> |
| #include <iostream> |
| #include <stdint.h> |
| |
| // Include test_cast.h twice - once normally, and once within the |
| // Subzero_ namespace, corresponding to the llc and Subzero translated |
| // object files, respectively. |
| #include "test_cast.h" |
| namespace Subzero_ { |
| #include "test_cast.h" |
| } |
| |
| #define XSTR(s) STR(s) |
| #define STR(s) #s |
| #define COMPARE(Func, FromCName, ToCName, Input) \ |
| do { \ |
| ToCName ResultSz, ResultLlc; \ |
| ResultLlc = Func<FromCName, ToCName>(Input); \ |
| ResultSz = Subzero_::Func<FromCName, ToCName>(Input); \ |
| ++TotalTests; \ |
| if (!memcmp(&ResultLlc, &ResultSz, sizeof(ToCName))) { \ |
| ++Passes; \ |
| } else { \ |
| ++Failures; \ |
| std::cout << std::fixed << XSTR(Func) \ |
| << "<" XSTR(FromCName) ", " XSTR(ToCName) ">(" << Input \ |
| << "): sz=" << ResultSz << " llc=" << ResultLlc << "\n"; \ |
| } \ |
| } while (0) |
| |
| template <typename FromType> |
| void testValue(FromType Val, size_t &TotalTests, size_t &Passes, |
| size_t &Failures) { |
| COMPARE(cast, FromType, bool, Val); |
| COMPARE(cast, FromType, uint8_t, Val); |
| COMPARE(cast, FromType, int8_t, Val); |
| COMPARE(cast, FromType, uint16_t, Val); |
| COMPARE(cast, FromType, int16_t, Val); |
| COMPARE(cast, FromType, uint32_t, Val); |
| COMPARE(cast, FromType, int32_t, Val); |
| COMPARE(cast, FromType, uint64_t, Val); |
| COMPARE(cast, FromType, int64_t, Val); |
| COMPARE(cast, FromType, float, Val); |
| COMPARE(cast, FromType, double, Val); |
| } |
| |
| int main(int argc, char **argv) { |
| size_t TotalTests = 0; |
| size_t Passes = 0; |
| size_t Failures = 0; |
| |
| volatile bool ValsUi1[] = { false, true }; |
| static const size_t NumValsUi1 = sizeof(ValsUi1) / sizeof(*ValsUi1); |
| volatile uint8_t ValsUi8[] = { 0, 1, 0x7e, 0x7f, 0x80, 0x81, 0xfe, 0xff }; |
| static const size_t NumValsUi8 = sizeof(ValsUi8) / sizeof(*ValsUi8); |
| |
| volatile int8_t ValsSi8[] = { 0, 1, 0x7e, 0x7f, 0x80, 0x81, 0xfe, 0xff }; |
| static const size_t NumValsSi8 = sizeof(ValsSi8) / sizeof(*ValsSi8); |
| |
| volatile uint16_t ValsUi16[] = { 0, 1, 0x7e, 0x7f, 0x80, |
| 0x81, 0xfe, 0xff, 0x7ffe, 0x7fff, |
| 0x8000, 0x8001, 0xfffe, 0xffff }; |
| static const size_t NumValsUi16 = sizeof(ValsUi16) / sizeof(*ValsUi16); |
| |
| volatile int16_t ValsSi16[] = { 0, 1, 0x7e, 0x7f, 0x80, |
| 0x81, 0xfe, 0xff, 0x7ffe, 0x7fff, |
| 0x8000, 0x8001, 0xfffe, 0xffff }; |
| static const size_t NumValsSi16 = sizeof(ValsSi16) / sizeof(*ValsSi16); |
| |
| volatile size_t ValsUi32[] = { |
| 0, 1, 0x7e, 0x7f, 0x80, |
| 0x81, 0xfe, 0xff, 0x7ffe, 0x7fff, |
| 0x8000, 0x8001, 0xfffe, 0xffff, 0x7ffffffe, |
| 0x7fffffff, 0x80000000, 0x80000001, 0xfffffffe, 0xffffffff |
| }; |
| static const size_t NumValsUi32 = sizeof(ValsUi32) / sizeof(*ValsUi32); |
| |
| volatile size_t ValsSi32[] = { |
| 0, 1, 0x7e, 0x7f, 0x80, |
| 0x81, 0xfe, 0xff, 0x7ffe, 0x7fff, |
| 0x8000, 0x8001, 0xfffe, 0xffff, 0x7ffffffe, |
| 0x7fffffff, 0x80000000, 0x80000001, 0xfffffffe, 0xffffffff |
| }; |
| static const size_t NumValsSi32 = sizeof(ValsSi32) / sizeof(*ValsSi32); |
| |
| volatile uint64_t ValsUi64[] = { |
| 0, 1, 0x7e, |
| 0x7f, 0x80, 0x81, |
| 0xfe, 0xff, 0x7ffe, |
| 0x7fff, 0x8000, 0x8001, |
| 0xfffe, 0xffff, 0x7ffffffe, |
| 0x7fffffff, 0x80000000, 0x80000001, |
| 0xfffffffe, 0xffffffff, 0x100000000ull, |
| 0x100000001ull, 0x7ffffffffffffffeull, 0x7fffffffffffffffull, |
| 0x8000000000000000ull, 0x8000000000000001ull, 0xfffffffffffffffeull, |
| 0xffffffffffffffffull |
| }; |
| static const size_t NumValsUi64 = sizeof(ValsUi64) / sizeof(*ValsUi64); |
| |
| volatile int64_t ValsSi64[] = { |
| 0, 1, 0x7e, |
| 0x7f, 0x80, 0x81, |
| 0xfe, 0xff, 0x7ffe, |
| 0x7fff, 0x8000, 0x8001, |
| 0xfffe, 0xffff, 0x7ffffffe, |
| 0x7fffffff, 0x80000000, 0x80000001, |
| 0xfffffffe, 0xffffffff, 0x100000000ll, |
| 0x100000001ll, 0x7ffffffffffffffell, 0x7fffffffffffffffll, |
| 0x8000000000000000ll, 0x8000000000000001ll, 0xfffffffffffffffell, |
| 0xffffffffffffffffll |
| }; |
| static const size_t NumValsSi64 = sizeof(ValsSi64) / sizeof(*ValsSi64); |
| |
| volatile float ValsF32[] = { |
| 0, 1, 0x7e, |
| 0x7f, 0x80, 0x81, |
| 0xfe, 0xff, 0x7ffe, |
| 0x7fff, 0x8000, 0x8001, |
| 0xfffe, 0xffff, 0x7ffffffe, |
| 0x7fffffff, 0x80000000, 0x80000001, |
| 0xfffffffe, 0xffffffff, 0x100000000ll, |
| 0x100000001ll, 0x7ffffffffffffffell, 0x7fffffffffffffffll, |
| 0x8000000000000000ll, 0x8000000000000001ll, 0xfffffffffffffffell, |
| 0xffffffffffffffffll |
| }; |
| static const size_t NumValsF32 = sizeof(ValsF32) / sizeof(*ValsF32); |
| |
| volatile double ValsF64[] = { |
| 0, 1, 0x7e, |
| 0x7f, 0x80, 0x81, |
| 0xfe, 0xff, 0x7ffe, |
| 0x7fff, 0x8000, 0x8001, |
| 0xfffe, 0xffff, 0x7ffffffe, |
| 0x7fffffff, 0x80000000, 0x80000001, |
| 0xfffffffe, 0xffffffff, 0x100000000ll, |
| 0x100000001ll, 0x7ffffffffffffffell, 0x7fffffffffffffffll, |
| 0x8000000000000000ll, 0x8000000000000001ll, 0xfffffffffffffffell, |
| 0xffffffffffffffffll |
| }; |
| static const size_t NumValsF64 = sizeof(ValsF64) / sizeof(*ValsF64); |
| |
| for (size_t i = 0; i < NumValsUi1; ++i) { |
| bool Val = ValsUi1[i]; |
| testValue<bool>(Val, TotalTests, Passes, Failures); |
| } |
| for (size_t i = 0; i < NumValsUi8; ++i) { |
| uint8_t Val = ValsUi8[i]; |
| testValue<uint8_t>(Val, TotalTests, Passes, Failures); |
| } |
| for (size_t i = 0; i < NumValsSi8; ++i) { |
| int8_t Val = ValsSi8[i]; |
| testValue<int8_t>(Val, TotalTests, Passes, Failures); |
| } |
| for (size_t i = 0; i < NumValsUi16; ++i) { |
| uint16_t Val = ValsUi16[i]; |
| testValue<uint16_t>(Val, TotalTests, Passes, Failures); |
| } |
| for (size_t i = 0; i < NumValsSi16; ++i) { |
| int16_t Val = ValsSi16[i]; |
| testValue<int16_t>(Val, TotalTests, Passes, Failures); |
| } |
| for (size_t i = 0; i < NumValsUi32; ++i) { |
| uint32_t Val = ValsUi32[i]; |
| testValue<uint32_t>(Val, TotalTests, Passes, Failures); |
| COMPARE(castBits, uint32_t, float, Val); |
| } |
| for (size_t i = 0; i < NumValsSi32; ++i) { |
| int32_t Val = ValsSi32[i]; |
| testValue<int32_t>(Val, TotalTests, Passes, Failures); |
| } |
| for (size_t i = 0; i < NumValsUi64; ++i) { |
| uint64_t Val = ValsUi64[i]; |
| testValue<uint64_t>(Val, TotalTests, Passes, Failures); |
| COMPARE(castBits, uint64_t, double, Val); |
| } |
| for (size_t i = 0; i < NumValsSi64; ++i) { |
| int64_t Val = ValsSi64[i]; |
| testValue<int64_t>(Val, TotalTests, Passes, Failures); |
| } |
| for (size_t i = 0; i < NumValsF32; ++i) { |
| for (unsigned j = 0; j < 2; ++j) { |
| float Val = ValsF32[i]; |
| if (j > 0) |
| Val = -Val; |
| testValue<float>(Val, TotalTests, Passes, Failures); |
| COMPARE(castBits, float, uint32_t, Val); |
| } |
| } |
| for (size_t i = 0; i < NumValsF64; ++i) { |
| for (unsigned j = 0; j < 2; ++j) { |
| double Val = ValsF64[i]; |
| if (j > 0) |
| Val = -Val; |
| testValue<double>(Val, TotalTests, Passes, Failures); |
| COMPARE(castBits, double, uint64_t, Val); |
| } |
| } |
| |
| std::cout << "TotalTests=" << TotalTests << " Passes=" << Passes |
| << " Failures=" << Failures << "\n"; |
| return Failures; |
| } |
| |
| //////////////////////////////////////////////////////////////// |
| |
| // The following are helper definitions that should be part of the |
| // Subzero runtime. |
| |
| extern "C" { |
| uint32_t cvtdtoui32(double a) { return (uint32_t)a; } |
| uint32_t cvtftoui32(float a) { return (uint32_t)a; } |
| int64_t cvtdtosi64(double a) { return (int64_t)a; } |
| int64_t cvtftosi64(float a) { return (int64_t)a; } |
| uint64_t cvtdtoui64(double a) { return (uint64_t)a; } |
| uint64_t cvtftoui64(float a) { return (uint64_t)a; } |
| float cvtui64tof(uint64_t a) { return (float)a; } |
| double cvtui64tod(uint64_t a) { return (double)a; } |
| float cvtsi64tof(int64_t a) { return (float)a; } |
| float cvtui32tof(uint32_t a) { return (float)a; } |
| double cvtui32tod(uint32_t a) { return (double)a; } |
| double cvtsi64tod(int64_t a) { return (double)a; } |
| } |