[flang][runtime] Emit error message rather than crashing for MOD(ULO)(x,P=0)

Add extra arguments and checks to the runtime support library so that
a call to the intrinsic functions MOD and MODULO with "denominator"
argument P of zero will cause a crash with a source location rather
than an uninformative floating-point error or integer division by
zero signal.

Additional work is required in lowering to (1) pass source file path and
source line number arguments and (2) actually call these runtime
library APIs instead of emitting inline code for MOD &/or MODULO.

Differential Revision: https://reviews.llvm.org/D127034
This commit is contained in:
Peter Klausler 2022-06-02 14:06:57 -07:00
parent 11f928af9b
commit 562fd2c99b
2 changed files with 103 additions and 60 deletions

View File

@ -214,48 +214,66 @@ bool RTNAME(IsNaN16)(CppTypeFor<TypeCategory::Real, 16>);
// MOD & MODULO
CppTypeFor<TypeCategory::Integer, 1> RTNAME(ModInteger1)(
CppTypeFor<TypeCategory::Integer, 1>, CppTypeFor<TypeCategory::Integer, 1>);
CppTypeFor<TypeCategory::Integer, 1>, CppTypeFor<TypeCategory::Integer, 1>,
const char *sourceFile = nullptr, int sourceLine = 0);
CppTypeFor<TypeCategory::Integer, 2> RTNAME(ModInteger2)(
CppTypeFor<TypeCategory::Integer, 2>, CppTypeFor<TypeCategory::Integer, 2>);
CppTypeFor<TypeCategory::Integer, 2>, CppTypeFor<TypeCategory::Integer, 2>,
const char *sourceFile = nullptr, int sourceLine = 0);
CppTypeFor<TypeCategory::Integer, 4> RTNAME(ModInteger4)(
CppTypeFor<TypeCategory::Integer, 4>, CppTypeFor<TypeCategory::Integer, 4>);
CppTypeFor<TypeCategory::Integer, 4>, CppTypeFor<TypeCategory::Integer, 4>,
const char *sourceFile = nullptr, int sourceLine = 0);
CppTypeFor<TypeCategory::Integer, 8> RTNAME(ModInteger8)(
CppTypeFor<TypeCategory::Integer, 8>, CppTypeFor<TypeCategory::Integer, 8>);
CppTypeFor<TypeCategory::Integer, 8>, CppTypeFor<TypeCategory::Integer, 8>,
const char *sourceFile = nullptr, int sourceLine = 0);
#ifdef __SIZEOF_INT128__
CppTypeFor<TypeCategory::Integer, 16> RTNAME(ModInteger16)(
CppTypeFor<TypeCategory::Integer, 16>,
CppTypeFor<TypeCategory::Integer, 16>);
CppTypeFor<TypeCategory::Integer, 16>, const char *sourceFile = nullptr,
int sourceLine = 0);
#endif
CppTypeFor<TypeCategory::Real, 4> RTNAME(ModReal4)(
CppTypeFor<TypeCategory::Real, 4>, CppTypeFor<TypeCategory::Real, 4>);
CppTypeFor<TypeCategory::Real, 4>, CppTypeFor<TypeCategory::Real, 4>,
const char *sourceFile = nullptr, int sourceLine = 0);
CppTypeFor<TypeCategory::Real, 8> RTNAME(ModReal8)(
CppTypeFor<TypeCategory::Real, 8>, CppTypeFor<TypeCategory::Real, 8>);
CppTypeFor<TypeCategory::Real, 8>, CppTypeFor<TypeCategory::Real, 8>,
const char *sourceFile = nullptr, int sourceLine = 0);
CppTypeFor<TypeCategory::Real, 10> RTNAME(ModReal10)(
CppTypeFor<TypeCategory::Real, 10>, CppTypeFor<TypeCategory::Real, 10>);
CppTypeFor<TypeCategory::Real, 10>, CppTypeFor<TypeCategory::Real, 10>,
const char *sourceFile = nullptr, int sourceLine = 0);
CppTypeFor<TypeCategory::Real, 16> RTNAME(ModReal16)(
CppTypeFor<TypeCategory::Real, 16>, CppTypeFor<TypeCategory::Real, 16>);
CppTypeFor<TypeCategory::Real, 16>, CppTypeFor<TypeCategory::Real, 16>,
const char *sourceFile = nullptr, int sourceLine = 0);
CppTypeFor<TypeCategory::Integer, 1> RTNAME(ModuloInteger1)(
CppTypeFor<TypeCategory::Integer, 1>, CppTypeFor<TypeCategory::Integer, 1>);
CppTypeFor<TypeCategory::Integer, 1>, CppTypeFor<TypeCategory::Integer, 1>,
const char *sourceFile = nullptr, int sourceLine = 0);
CppTypeFor<TypeCategory::Integer, 2> RTNAME(ModuloInteger2)(
CppTypeFor<TypeCategory::Integer, 2>, CppTypeFor<TypeCategory::Integer, 2>);
CppTypeFor<TypeCategory::Integer, 2>, CppTypeFor<TypeCategory::Integer, 2>,
const char *sourceFile = nullptr, int sourceLine = 0);
CppTypeFor<TypeCategory::Integer, 4> RTNAME(ModuloInteger4)(
CppTypeFor<TypeCategory::Integer, 4>, CppTypeFor<TypeCategory::Integer, 4>);
CppTypeFor<TypeCategory::Integer, 4>, CppTypeFor<TypeCategory::Integer, 4>,
const char *sourceFile = nullptr, int sourceLine = 0);
CppTypeFor<TypeCategory::Integer, 8> RTNAME(ModuloInteger8)(
CppTypeFor<TypeCategory::Integer, 8>, CppTypeFor<TypeCategory::Integer, 8>);
CppTypeFor<TypeCategory::Integer, 8>, CppTypeFor<TypeCategory::Integer, 8>,
const char *sourceFile = nullptr, int sourceLine = 0);
#ifdef __SIZEOF_INT128__
CppTypeFor<TypeCategory::Integer, 16> RTNAME(ModuloInteger16)(
CppTypeFor<TypeCategory::Integer, 16>,
CppTypeFor<TypeCategory::Integer, 16>);
CppTypeFor<TypeCategory::Integer, 16>, const char *sourceFile = nullptr,
int sourceLine = 0);
#endif
CppTypeFor<TypeCategory::Real, 4> RTNAME(ModuloReal4)(
CppTypeFor<TypeCategory::Real, 4>, CppTypeFor<TypeCategory::Real, 4>);
CppTypeFor<TypeCategory::Real, 4>, CppTypeFor<TypeCategory::Real, 4>,
const char *sourceFile = nullptr, int sourceLine = 0);
CppTypeFor<TypeCategory::Real, 8> RTNAME(ModuloReal8)(
CppTypeFor<TypeCategory::Real, 8>, CppTypeFor<TypeCategory::Real, 8>);
CppTypeFor<TypeCategory::Real, 8>, CppTypeFor<TypeCategory::Real, 8>,
const char *sourceFile = nullptr, int sourceLine = 0);
CppTypeFor<TypeCategory::Real, 10> RTNAME(ModuloReal10)(
CppTypeFor<TypeCategory::Real, 10>, CppTypeFor<TypeCategory::Real, 10>);
CppTypeFor<TypeCategory::Real, 10>, CppTypeFor<TypeCategory::Real, 10>,
const char *sourceFile = nullptr, int sourceLine = 0);
CppTypeFor<TypeCategory::Real, 16> RTNAME(ModuloReal16)(
CppTypeFor<TypeCategory::Real, 16>, CppTypeFor<TypeCategory::Real, 16>);
CppTypeFor<TypeCategory::Real, 16>, CppTypeFor<TypeCategory::Real, 16>,
const char *sourceFile = nullptr, int sourceLine = 0);
// NINT
CppTypeFor<TypeCategory::Integer, 1> RTNAME(Nint4_1)(

View File

@ -6,6 +6,7 @@
//
//===----------------------------------------------------------------------===//
#include "terminator.h"
#include "flang/Runtime/numeric.h"
#include "flang/Common/long-double.h"
#include <climits>
@ -62,14 +63,24 @@ template <typename T> inline T Fraction(T x) {
}
// MOD & MODULO (16.9.135, .136)
template <bool IS_MODULO, typename T> inline T IntMod(T x, T p) {
template <bool IS_MODULO, typename T>
inline T IntMod(T x, T p, const char *sourceFile, int sourceLine) {
if (p == 0) {
Terminator{sourceFile, sourceLine}.Crash(
IS_MODULO ? "MODULO with P==0" : "MOD with P==0");
}
auto mod{x - (x / p) * p};
if (IS_MODULO && (x > 0) != (p > 0)) {
mod += p;
}
return mod;
}
template <bool IS_MODULO, typename T> inline T RealMod(T x, T p) {
template <bool IS_MODULO, typename T>
inline T RealMod(T x, T p, const char *sourceFile, int sourceLine) {
if (p == 0) {
Terminator{sourceFile, sourceLine}.Crash(
IS_MODULO ? "MODULO with P==0" : "MOD with P==0");
}
if constexpr (IS_MODULO) {
return x - std::floor(x / p) * p;
} else {
@ -542,99 +553,113 @@ bool RTNAME(IsNaN16)(CppTypeFor<TypeCategory::Real, 16> x) {
CppTypeFor<TypeCategory::Integer, 1> RTNAME(ModInteger1)(
CppTypeFor<TypeCategory::Integer, 1> x,
CppTypeFor<TypeCategory::Integer, 1> p) {
return IntMod<false>(x, p);
CppTypeFor<TypeCategory::Integer, 1> p, const char *sourceFile,
int sourceLine) {
return IntMod<false>(x, p, sourceFile, sourceLine);
}
CppTypeFor<TypeCategory::Integer, 2> RTNAME(ModInteger2)(
CppTypeFor<TypeCategory::Integer, 2> x,
CppTypeFor<TypeCategory::Integer, 2> p) {
return IntMod<false>(x, p);
CppTypeFor<TypeCategory::Integer, 2> p, const char *sourceFile,
int sourceLine) {
return IntMod<false>(x, p, sourceFile, sourceLine);
}
CppTypeFor<TypeCategory::Integer, 4> RTNAME(ModInteger4)(
CppTypeFor<TypeCategory::Integer, 4> x,
CppTypeFor<TypeCategory::Integer, 4> p) {
return IntMod<false>(x, p);
CppTypeFor<TypeCategory::Integer, 4> p, const char *sourceFile,
int sourceLine) {
return IntMod<false>(x, p, sourceFile, sourceLine);
}
CppTypeFor<TypeCategory::Integer, 8> RTNAME(ModInteger8)(
CppTypeFor<TypeCategory::Integer, 8> x,
CppTypeFor<TypeCategory::Integer, 8> p) {
return IntMod<false>(x, p);
CppTypeFor<TypeCategory::Integer, 8> p, const char *sourceFile,
int sourceLine) {
return IntMod<false>(x, p, sourceFile, sourceLine);
}
#ifdef __SIZEOF_INT128__
CppTypeFor<TypeCategory::Integer, 16> RTNAME(ModInteger16)(
CppTypeFor<TypeCategory::Integer, 16> x,
CppTypeFor<TypeCategory::Integer, 16> p) {
return IntMod<false>(x, p);
CppTypeFor<TypeCategory::Integer, 16> p, const char *sourceFile,
int sourceLine) {
return IntMod<false>(x, p, sourceFile, sourceLine);
}
#endif
CppTypeFor<TypeCategory::Real, 4> RTNAME(ModReal4)(
CppTypeFor<TypeCategory::Real, 4> x, CppTypeFor<TypeCategory::Real, 4> p) {
return RealMod<false>(x, p);
CppTypeFor<TypeCategory::Real, 4> x, CppTypeFor<TypeCategory::Real, 4> p,
const char *sourceFile, int sourceLine) {
return RealMod<false>(x, p, sourceFile, sourceLine);
}
CppTypeFor<TypeCategory::Real, 8> RTNAME(ModReal8)(
CppTypeFor<TypeCategory::Real, 8> x, CppTypeFor<TypeCategory::Real, 8> p) {
return RealMod<false>(x, p);
CppTypeFor<TypeCategory::Real, 8> x, CppTypeFor<TypeCategory::Real, 8> p,
const char *sourceFile, int sourceLine) {
return RealMod<false>(x, p, sourceFile, sourceLine);
}
#if LONG_DOUBLE == 80
CppTypeFor<TypeCategory::Real, 10> RTNAME(ModReal10)(
CppTypeFor<TypeCategory::Real, 10> x,
CppTypeFor<TypeCategory::Real, 10> p) {
return RealMod<false>(x, p);
CppTypeFor<TypeCategory::Real, 10> x, CppTypeFor<TypeCategory::Real, 10> p,
const char *sourceFile, int sourceLine) {
return RealMod<false>(x, p, sourceFile, sourceLine);
}
#elif LONG_DOUBLE == 128
CppTypeFor<TypeCategory::Real, 16> RTNAME(ModReal16)(
CppTypeFor<TypeCategory::Real, 16> x,
CppTypeFor<TypeCategory::Real, 16> p) {
return RealMod<false>(x, p);
CppTypeFor<TypeCategory::Real, 16> x, CppTypeFor<TypeCategory::Real, 16> p,
const char *sourceFile, int sourceLine) {
return RealMod<false>(x, p, sourceFile, sourceLine);
}
#endif
CppTypeFor<TypeCategory::Integer, 1> RTNAME(ModuloInteger1)(
CppTypeFor<TypeCategory::Integer, 1> x,
CppTypeFor<TypeCategory::Integer, 1> p) {
return IntMod<true>(x, p);
CppTypeFor<TypeCategory::Integer, 1> p, const char *sourceFile,
int sourceLine) {
return IntMod<true>(x, p, sourceFile, sourceLine);
}
CppTypeFor<TypeCategory::Integer, 2> RTNAME(ModuloInteger2)(
CppTypeFor<TypeCategory::Integer, 2> x,
CppTypeFor<TypeCategory::Integer, 2> p) {
return IntMod<true>(x, p);
CppTypeFor<TypeCategory::Integer, 2> p, const char *sourceFile,
int sourceLine) {
return IntMod<true>(x, p, sourceFile, sourceLine);
}
CppTypeFor<TypeCategory::Integer, 4> RTNAME(ModuloInteger4)(
CppTypeFor<TypeCategory::Integer, 4> x,
CppTypeFor<TypeCategory::Integer, 4> p) {
return IntMod<true>(x, p);
CppTypeFor<TypeCategory::Integer, 4> p, const char *sourceFile,
int sourceLine) {
return IntMod<true>(x, p, sourceFile, sourceLine);
}
CppTypeFor<TypeCategory::Integer, 8> RTNAME(ModuloInteger8)(
CppTypeFor<TypeCategory::Integer, 8> x,
CppTypeFor<TypeCategory::Integer, 8> p) {
return IntMod<true>(x, p);
CppTypeFor<TypeCategory::Integer, 8> p, const char *sourceFile,
int sourceLine) {
return IntMod<true>(x, p, sourceFile, sourceLine);
}
#ifdef __SIZEOF_INT128__
CppTypeFor<TypeCategory::Integer, 16> RTNAME(ModuloInteger16)(
CppTypeFor<TypeCategory::Integer, 16> x,
CppTypeFor<TypeCategory::Integer, 16> p) {
return IntMod<true>(x, p);
CppTypeFor<TypeCategory::Integer, 16> p, const char *sourceFile,
int sourceLine) {
return IntMod<true>(x, p, sourceFile, sourceLine);
}
#endif
CppTypeFor<TypeCategory::Real, 4> RTNAME(ModuloReal4)(
CppTypeFor<TypeCategory::Real, 4> x, CppTypeFor<TypeCategory::Real, 4> p) {
return RealMod<true>(x, p);
CppTypeFor<TypeCategory::Real, 4> x, CppTypeFor<TypeCategory::Real, 4> p,
const char *sourceFile, int sourceLine) {
return RealMod<true>(x, p, sourceFile, sourceLine);
}
CppTypeFor<TypeCategory::Real, 8> RTNAME(ModuloReal8)(
CppTypeFor<TypeCategory::Real, 8> x, CppTypeFor<TypeCategory::Real, 8> p) {
return RealMod<true>(x, p);
CppTypeFor<TypeCategory::Real, 8> x, CppTypeFor<TypeCategory::Real, 8> p,
const char *sourceFile, int sourceLine) {
return RealMod<true>(x, p, sourceFile, sourceLine);
}
#if LONG_DOUBLE == 80
CppTypeFor<TypeCategory::Real, 10> RTNAME(ModuloReal10)(
CppTypeFor<TypeCategory::Real, 10> x,
CppTypeFor<TypeCategory::Real, 10> p) {
return RealMod<true>(x, p);
CppTypeFor<TypeCategory::Real, 10> x, CppTypeFor<TypeCategory::Real, 10> p,
const char *sourceFile, int sourceLine) {
return RealMod<true>(x, p, sourceFile, sourceLine);
}
#elif LONG_DOUBLE == 128
CppTypeFor<TypeCategory::Real, 16> RTNAME(ModuloReal16)(
CppTypeFor<TypeCategory::Real, 16> x,
CppTypeFor<TypeCategory::Real, 16> p) {
return RealMod<true>(x, p);
CppTypeFor<TypeCategory::Real, 16> x, CppTypeFor<TypeCategory::Real, 16> p,
const char *sourceFile, int sourceLine) {
return RealMod<true>(x, p, sourceFile, sourceLine);
}
#endif