diff options
Diffstat (limited to 'llvm/include/llvm/IR/NVVMIntrinsicUtils.h')
| -rw-r--r-- | llvm/include/llvm/IR/NVVMIntrinsicUtils.h | 83 |
1 files changed, 77 insertions, 6 deletions
diff --git a/llvm/include/llvm/IR/NVVMIntrinsicUtils.h b/llvm/include/llvm/IR/NVVMIntrinsicUtils.h index 737610b..0fd5de3 100644 --- a/llvm/include/llvm/IR/NVVMIntrinsicUtils.h +++ b/llvm/include/llvm/IR/NVVMIntrinsicUtils.h @@ -112,7 +112,6 @@ inline bool FPToIntegerIntrinsicShouldFTZ(Intrinsic::ID IntrinsicID) { return false; } llvm_unreachable("Checking FTZ flag for invalid f2i/d2i intrinsic"); - return false; } inline bool FPToIntegerIntrinsicResultIsSigned(Intrinsic::ID IntrinsicID) { @@ -179,7 +178,6 @@ inline bool FPToIntegerIntrinsicResultIsSigned(Intrinsic::ID IntrinsicID) { } llvm_unreachable( "Checking invalid f2i/d2i intrinsic for signed int conversion"); - return false; } inline APFloat::roundingMode @@ -250,7 +248,6 @@ GetFPToIntegerRoundingMode(Intrinsic::ID IntrinsicID) { return APFloat::rmTowardZero; } llvm_unreachable("Checking rounding mode for invalid f2i/d2i intrinsic"); - return APFloat::roundingMode::Invalid; } inline bool FMinFMaxShouldFTZ(Intrinsic::ID IntrinsicID) { @@ -280,7 +277,6 @@ inline bool FMinFMaxShouldFTZ(Intrinsic::ID IntrinsicID) { return false; } llvm_unreachable("Checking FTZ flag for invalid fmin/fmax intrinsic"); - return false; } inline bool FMinFMaxPropagatesNaNs(Intrinsic::ID IntrinsicID) { @@ -310,7 +306,6 @@ inline bool FMinFMaxPropagatesNaNs(Intrinsic::ID IntrinsicID) { return false; } llvm_unreachable("Checking NaN flag for invalid fmin/fmax intrinsic"); - return false; } inline bool FMinFMaxIsXorSignAbs(Intrinsic::ID IntrinsicID) { @@ -340,7 +335,83 @@ inline bool FMinFMaxIsXorSignAbs(Intrinsic::ID IntrinsicID) { return false; } llvm_unreachable("Checking XorSignAbs flag for invalid fmin/fmax intrinsic"); - return false; +} + +inline bool UnaryMathIntrinsicShouldFTZ(Intrinsic::ID IntrinsicID) { + switch (IntrinsicID) { + case Intrinsic::nvvm_ceil_ftz_f: + case Intrinsic::nvvm_fabs_ftz: + case Intrinsic::nvvm_floor_ftz_f: + case Intrinsic::nvvm_round_ftz_f: + case Intrinsic::nvvm_saturate_ftz_f: + case Intrinsic::nvvm_sqrt_rn_ftz_f: + return true; + case Intrinsic::nvvm_ceil_f: + case Intrinsic::nvvm_ceil_d: + case Intrinsic::nvvm_fabs: + case Intrinsic::nvvm_floor_f: + case Intrinsic::nvvm_floor_d: + case Intrinsic::nvvm_round_f: + case Intrinsic::nvvm_round_d: + case Intrinsic::nvvm_saturate_d: + case Intrinsic::nvvm_saturate_f: + case Intrinsic::nvvm_sqrt_f: + case Intrinsic::nvvm_sqrt_rn_d: + case Intrinsic::nvvm_sqrt_rn_f: + return false; + } + llvm_unreachable("Checking FTZ flag for invalid unary intrinsic"); +} + +inline bool RCPShouldFTZ(Intrinsic::ID IntrinsicID) { + switch (IntrinsicID) { + case Intrinsic::nvvm_rcp_rm_ftz_f: + case Intrinsic::nvvm_rcp_rn_ftz_f: + case Intrinsic::nvvm_rcp_rp_ftz_f: + case Intrinsic::nvvm_rcp_rz_ftz_f: + return true; + case Intrinsic::nvvm_rcp_rm_d: + case Intrinsic::nvvm_rcp_rm_f: + case Intrinsic::nvvm_rcp_rn_d: + case Intrinsic::nvvm_rcp_rn_f: + case Intrinsic::nvvm_rcp_rp_d: + case Intrinsic::nvvm_rcp_rp_f: + case Intrinsic::nvvm_rcp_rz_d: + case Intrinsic::nvvm_rcp_rz_f: + return false; + } + llvm_unreachable("Checking FTZ flag for invalid rcp intrinsic"); +} + +inline APFloat::roundingMode GetRCPRoundingMode(Intrinsic::ID IntrinsicID) { + switch (IntrinsicID) { + case Intrinsic::nvvm_rcp_rm_f: + case Intrinsic::nvvm_rcp_rm_d: + case Intrinsic::nvvm_rcp_rm_ftz_f: + return APFloat::rmTowardNegative; + + case Intrinsic::nvvm_rcp_rn_f: + case Intrinsic::nvvm_rcp_rn_d: + case Intrinsic::nvvm_rcp_rn_ftz_f: + return APFloat::rmNearestTiesToEven; + + case Intrinsic::nvvm_rcp_rp_f: + case Intrinsic::nvvm_rcp_rp_d: + case Intrinsic::nvvm_rcp_rp_ftz_f: + return APFloat::rmTowardPositive; + + case Intrinsic::nvvm_rcp_rz_f: + case Intrinsic::nvvm_rcp_rz_d: + case Intrinsic::nvvm_rcp_rz_ftz_f: + return APFloat::rmTowardZero; + } + llvm_unreachable("Checking rounding mode for invalid rcp intrinsic"); +} + +inline DenormalMode GetNVVMDenromMode(bool ShouldFTZ) { + if (ShouldFTZ) + return DenormalMode::getPreserveSign(); + return DenormalMode::getIEEE(); } } // namespace nvvm |