; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 ; RUN: opt < %s -passes=instsimplify -march=nvptx64 --mcpu=sm_86 --mattr=+ptx72 -S | FileCheck %s ; Check constant-folding for NVVM add intrinsics with different rounding modes ;############################################################### ;# Add(1.25, -2.0) # ;############################################################### ; Tests addition of two normal numbers (1.25 and -2.0) where the result ; is exactly representable. All rounding modes produce the same result. define double @test_1_25_minus_2_rm_d() { ; CHECK-LABEL: define double @test_1_25_minus_2_rm_d() { ; CHECK-NEXT: ret double -7.500000e-01 ; %res = call double @llvm.nvvm.add.rm.d(double 1.25, double -2.0) ret double %res } define double @test_1_25_minus_2_rn_d() { ; CHECK-LABEL: define double @test_1_25_minus_2_rn_d() { ; CHECK-NEXT: ret double -7.500000e-01 ; %res = call double @llvm.nvvm.add.rn.d(double 1.25, double -2.0) ret double %res } define double @test_1_25_minus_2_rp_d() { ; CHECK-LABEL: define double @test_1_25_minus_2_rp_d() { ; CHECK-NEXT: ret double -7.500000e-01 ; %res = call double @llvm.nvvm.add.rp.d(double 1.25, double -2.0) ret double %res } define double @test_1_25_minus_2_rz_d() { ; CHECK-LABEL: define double @test_1_25_minus_2_rz_d() { ; CHECK-NEXT: ret double -7.500000e-01 ; %res = call double @llvm.nvvm.add.rz.d(double 1.25, double -2.0) ret double %res } define float @test_1_25_minus_2_rm_f() { ; CHECK-LABEL: define float @test_1_25_minus_2_rm_f() { ; CHECK-NEXT: ret float -7.500000e-01 ; %res = call float @llvm.nvvm.add.rm.f(float 1.25, float -2.0) ret float %res } define float @test_1_25_minus_2_rn_f() { ; CHECK-LABEL: define float @test_1_25_minus_2_rn_f() { ; CHECK-NEXT: ret float -7.500000e-01 ; %res = call float @llvm.nvvm.add.rn.f(float 1.25, float -2.0) ret float %res } define float @test_1_25_minus_2_rp_f() { ; CHECK-LABEL: define float @test_1_25_minus_2_rp_f() { ; CHECK-NEXT: ret float -7.500000e-01 ; %res = call float @llvm.nvvm.add.rp.f(float 1.25, float -2.0) ret float %res } define float @test_1_25_minus_2_rz_f() { ; CHECK-LABEL: define float @test_1_25_minus_2_rz_f() { ; CHECK-NEXT: ret float -7.500000e-01 ; %res = call float @llvm.nvvm.add.rz.f(float 1.25, float -2.0) ret float %res } define float @test_1_25_minus_2_rm_ftz_f() { ; CHECK-LABEL: define float @test_1_25_minus_2_rm_ftz_f() { ; CHECK-NEXT: ret float -7.500000e-01 ; %res = call float @llvm.nvvm.add.rm.ftz.f(float 1.25, float -2.0) ret float %res } define float @test_1_25_minus_2_rn_ftz_f() { ; CHECK-LABEL: define float @test_1_25_minus_2_rn_ftz_f() { ; CHECK-NEXT: ret float -7.500000e-01 ; %res = call float @llvm.nvvm.add.rn.ftz.f(float 1.25, float -2.0) ret float %res } define float @test_1_25_minus_2_rp_ftz_f() { ; CHECK-LABEL: define float @test_1_25_minus_2_rp_ftz_f() { ; CHECK-NEXT: ret float -7.500000e-01 ; %res = call float @llvm.nvvm.add.rp.ftz.f(float 1.25, float -2.0) ret float %res } define float @test_1_25_minus_2_rz_ftz_f() { ; CHECK-LABEL: define float @test_1_25_minus_2_rz_ftz_f() { ; CHECK-NEXT: ret float -7.500000e-01 ; %res = call float @llvm.nvvm.add.rz.ftz.f(float 1.25, float -2.0) ret float %res } ;############################################################### ;# Add(0.0, NaN) # ;############################################################### ; Tests addition of a zero with NaN. ; The result is always NaN and the operation is not constant-folded. define double @test_zero_plus_nan_rm_d() { ; CHECK-LABEL: define double @test_zero_plus_nan_rm_d() { ; CHECK-NEXT: [[RES:%.*]] = call double @llvm.nvvm.add.rm.d(double 0.000000e+00, double 0x7FF4444400000000) ; CHECK-NEXT: ret double [[RES]] ; %res = call double @llvm.nvvm.add.rm.d(double 0.0, double 0x7ff4444400000000) ret double %res } define double @test_zero_plus_nan_rn_d() { ; CHECK-LABEL: define double @test_zero_plus_nan_rn_d() { ; CHECK-NEXT: [[RES:%.*]] = call double @llvm.nvvm.add.rn.d(double 0.000000e+00, double 0x7FF4444400000000) ; CHECK-NEXT: ret double [[RES]] ; %res = call double @llvm.nvvm.add.rn.d(double 0.0, double 0x7ff4444400000000) ret double %res } define double @test_zero_plus_nan_rp_d() { ; CHECK-LABEL: define double @test_zero_plus_nan_rp_d() { ; CHECK-NEXT: [[RES:%.*]] = call double @llvm.nvvm.add.rp.d(double 0.000000e+00, double 0x7FF4444400000000) ; CHECK-NEXT: ret double [[RES]] ; %res = call double @llvm.nvvm.add.rp.d(double 0.0, double 0x7ff4444400000000) ret double %res } define double @test_zero_plus_nan_rz_d() { ; CHECK-LABEL: define double @test_zero_plus_nan_rz_d() { ; CHECK-NEXT: [[RES:%.*]] = call double @llvm.nvvm.add.rz.d(double 0.000000e+00, double 0x7FF4444400000000) ; CHECK-NEXT: ret double [[RES]] ; %res = call double @llvm.nvvm.add.rz.d(double 0.0, double 0x7ff4444400000000) ret double %res } define float @test_zero_plus_nan_rm_f() { ; CHECK-LABEL: define float @test_zero_plus_nan_rm_f() { ; CHECK-NEXT: [[RES:%.*]] = call float @llvm.nvvm.add.rm.f(float 0.000000e+00, float 0x7FFF444400000000) ; CHECK-NEXT: ret float [[RES]] ; %res = call float @llvm.nvvm.add.rm.f(float 0.0, float 0x7FFF444400000000) ret float %res } define float @test_zero_plus_nan_rn_f() { ; CHECK-LABEL: define float @test_zero_plus_nan_rn_f() { ; CHECK-NEXT: [[RES:%.*]] = call float @llvm.nvvm.add.rn.f(float 0.000000e+00, float 0x7FFF444400000000) ; CHECK-NEXT: ret float [[RES]] ; %res = call float @llvm.nvvm.add.rn.f(float 0.0, float 0x7FFF444400000000) ret float %res } define float @test_zero_plus_nan_rp_f() { ; CHECK-LABEL: define float @test_zero_plus_nan_rp_f() { ; CHECK-NEXT: [[RES:%.*]] = call float @llvm.nvvm.add.rp.f(float 0.000000e+00, float 0x7FFF444400000000) ; CHECK-NEXT: ret float [[RES]] ; %res = call float @llvm.nvvm.add.rp.f(float 0.0, float 0x7FFF444400000000) ret float %res } define float @test_zero_plus_nan_rz_f() { ; CHECK-LABEL: define float @test_zero_plus_nan_rz_f() { ; CHECK-NEXT: [[RES:%.*]] = call float @llvm.nvvm.add.rz.f(float 0.000000e+00, float 0x7FFF444400000000) ; CHECK-NEXT: ret float [[RES]] ; %res = call float @llvm.nvvm.add.rz.f(float 0.0, float 0x7FFF444400000000) ret float %res } define float @test_zero_plus_nan_rm_ftz_f() { ; CHECK-LABEL: define float @test_zero_plus_nan_rm_ftz_f() { ; CHECK-NEXT: [[RES:%.*]] = call float @llvm.nvvm.add.rm.ftz.f(float 0.000000e+00, float 0x7FFF444400000000) ; CHECK-NEXT: ret float [[RES]] ; %res = call float @llvm.nvvm.add.rm.ftz.f(float 0.0, float 0x7FFF444400000000) ret float %res } define float @test_zero_plus_nan_rn_ftz_f() { ; CHECK-LABEL: define float @test_zero_plus_nan_rn_ftz_f() { ; CHECK-NEXT: [[RES:%.*]] = call float @llvm.nvvm.add.rn.ftz.f(float 0.000000e+00, float 0x7FFF444400000000) ; CHECK-NEXT: ret float [[RES]] ; %res = call float @llvm.nvvm.add.rn.ftz.f(float 0.0, float 0x7FFF444400000000) ret float %res } define float @test_zero_plus_nan_rp_ftz_f() { ; CHECK-LABEL: define float @test_zero_plus_nan_rp_ftz_f() { ; CHECK-NEXT: [[RES:%.*]] = call float @llvm.nvvm.add.rp.ftz.f(float 0.000000e+00, float 0x7FFF444400000000) ; CHECK-NEXT: ret float [[RES]] ; %res = call float @llvm.nvvm.add.rp.ftz.f(float 0.0, float 0x7FFF444400000000) ret float %res } define float @test_zero_plus_nan_rz_ftz_f() { ; CHECK-LABEL: define float @test_zero_plus_nan_rz_ftz_f() { ; CHECK-NEXT: [[RES:%.*]] = call float @llvm.nvvm.add.rz.ftz.f(float 0.000000e+00, float 0x7FFF444400000000) ; CHECK-NEXT: ret float [[RES]] ; %res = call float @llvm.nvvm.add.rz.ftz.f(float 0.0, float 0x7FFF444400000000) ret float %res } ;############################################################### ;# Add(Subnormal, Subnormal) -> Normal # ;############################################################### ; Tests addition of two positive subnormal numbers (2^-127) ; - Without FTZ: The result is the sum of the subnormals (2^-126) - a normal number ; - With FTZ: The inputs are flushed to zero, so the result is zero (despite the output being normal) define double @test_subnorm_plus_subnorm_to_normal_rm_d() { ; CHECK-LABEL: define double @test_subnorm_plus_subnorm_to_normal_rm_d() { ; CHECK-NEXT: ret double 0x3810000000000000 ; %res = call double @llvm.nvvm.add.rm.d(double 0x3800000000000000, double 0x3800000000000000) ret double %res } define double @test_subnorm_plus_subnorm_to_normal_rn_d() { ; CHECK-LABEL: define double @test_subnorm_plus_subnorm_to_normal_rn_d() { ; CHECK-NEXT: ret double 0x3810000000000000 ; %res = call double @llvm.nvvm.add.rn.d(double 0x3800000000000000, double 0x3800000000000000) ret double %res } define double @test_subnorm_plus_subnorm_to_normal_rp_d() { ; CHECK-LABEL: define double @test_subnorm_plus_subnorm_to_normal_rp_d() { ; CHECK-NEXT: ret double 0x3810000000000000 ; %res = call double @llvm.nvvm.add.rp.d(double 0x3800000000000000, double 0x3800000000000000) ret double %res } define double @test_subnorm_plus_subnorm_to_normal_rz_d() { ; CHECK-LABEL: define double @test_subnorm_plus_subnorm_to_normal_rz_d() { ; CHECK-NEXT: ret double 0x3810000000000000 ; %res = call double @llvm.nvvm.add.rz.d(double 0x3800000000000000, double 0x3800000000000000) ret double %res } define float @test_subnorm_plus_subnorm_to_normal_rm_f() { ; CHECK-LABEL: define float @test_subnorm_plus_subnorm_to_normal_rm_f() { ; CHECK-NEXT: ret float 0x3810000000000000 ; %res = call float @llvm.nvvm.add.rm.f(float 0x3800000000000000, float 0x3800000000000000) ret float %res } define float @test_subnorm_plus_subnorm_to_normal_rn_f() { ; CHECK-LABEL: define float @test_subnorm_plus_subnorm_to_normal_rn_f() { ; CHECK-NEXT: ret float 0x3810000000000000 ; %res = call float @llvm.nvvm.add.rn.f(float 0x3800000000000000, float 0x3800000000000000) ret float %res } define float @test_subnorm_plus_subnorm_to_normal_rp_f() { ; CHECK-LABEL: define float @test_subnorm_plus_subnorm_to_normal_rp_f() { ; CHECK-NEXT: ret float 0x3810000000000000 ; %res = call float @llvm.nvvm.add.rp.f(float 0x3800000000000000, float 0x3800000000000000) ret float %res } define float @test_subnorm_plus_subnorm_to_normal_rz_f() { ; CHECK-LABEL: define float @test_subnorm_plus_subnorm_to_normal_rz_f() { ; CHECK-NEXT: ret float 0x3810000000000000 ; %res = call float @llvm.nvvm.add.rz.f(float 0x3800000000000000, float 0x3800000000000000) ret float %res } define float @test_subnorm_plus_subnorm_to_normal_rm_ftz_f() { ; CHECK-LABEL: define float @test_subnorm_plus_subnorm_to_normal_rm_ftz_f() { ; CHECK-NEXT: ret float 0.000000e+00 ; %res = call float @llvm.nvvm.add.rm.ftz.f(float 0x3800000000000000, float 0x3800000000000000) ret float %res } define float @test_subnorm_plus_subnorm_to_normal_rn_ftz_f() { ; CHECK-LABEL: define float @test_subnorm_plus_subnorm_to_normal_rn_ftz_f() { ; CHECK-NEXT: ret float 0.000000e+00 ; %res = call float @llvm.nvvm.add.rn.ftz.f(float 0x3800000000000000, float 0x3800000000000000) ret float %res } define float @test_subnorm_plus_subnorm_to_normal_rp_ftz_f() { ; CHECK-LABEL: define float @test_subnorm_plus_subnorm_to_normal_rp_ftz_f() { ; CHECK-NEXT: ret float 0.000000e+00 ; %res = call float @llvm.nvvm.add.rp.ftz.f(float 0x3800000000000000, float 0x3800000000000000) ret float %res } define float @test_subnorm_plus_subnorm_to_normal_rz_ftz_f() { ; CHECK-LABEL: define float @test_subnorm_plus_subnorm_to_normal_rz_ftz_f() { ; CHECK-NEXT: ret float 0.000000e+00 ; %res = call float @llvm.nvvm.add.rz.ftz.f(float 0x3800000000000000, float 0x3800000000000000) ret float %res } ;############################################################### ;# Add(Normal, -Subnormal) -> Subnormal # ;############################################################### ; Tests addition of 2^-126 (the smallest normal number) and -(2^127). ; - Without FTZ: The result is correctly computed as a subnormal (2^127) ; - With FTZ: The result is flushed to zero. ; This verifies that the output is also flushed to zero, as we'd end up ; with 2^-126 if we only flushed the inputs. define double @test_normal_minus_subnorm_to_subnorm_rm_d() { ; CHECK-LABEL: define double @test_normal_minus_subnorm_to_subnorm_rm_d() { ; CHECK-NEXT: ret double 0x3800000000000000 ; %res = call double @llvm.nvvm.add.rm.d(double 0x3810000000000000, double 0xB800000000000000) ret double %res } define double @test_normal_minus_subnorm_to_subnorm_rn_d() { ; CHECK-LABEL: define double @test_normal_minus_subnorm_to_subnorm_rn_d() { ; CHECK-NEXT: ret double 0x3800000000000000 ; %res = call double @llvm.nvvm.add.rn.d(double 0x3810000000000000, double 0xB800000000000000) ret double %res } define double @test_normal_minus_subnorm_to_subnorm_rp_d() { ; CHECK-LABEL: define double @test_normal_minus_subnorm_to_subnorm_rp_d() { ; CHECK-NEXT: ret double 0x3800000000000000 ; %res = call double @llvm.nvvm.add.rp.d(double 0x3810000000000000, double 0xB800000000000000) ret double %res } define double @test_normal_minus_subnorm_to_subnorm_rz_d() { ; CHECK-LABEL: define double @test_normal_minus_subnorm_to_subnorm_rz_d() { ; CHECK-NEXT: ret double 0x3800000000000000 ; %res = call double @llvm.nvvm.add.rz.d(double 0x3810000000000000, double 0xB800000000000000) ret double %res } define float @test_normal_minus_subnorm_to_subnorm_rm_f() { ; CHECK-LABEL: define float @test_normal_minus_subnorm_to_subnorm_rm_f() { ; CHECK-NEXT: ret float 0x3800000000000000 ; %res = call float @llvm.nvvm.add.rm.f(float 0x3810000000000000, float 0xB800000000000000) ret float %res } define float @test_normal_minus_subnorm_to_subnorm_rn_f() { ; CHECK-LABEL: define float @test_normal_minus_subnorm_to_subnorm_rn_f() { ; CHECK-NEXT: ret float 0x3800000000000000 ; %res = call float @llvm.nvvm.add.rn.f(float 0x3810000000000000, float 0xB800000000000000) ret float %res } define float @test_normal_minus_subnorm_to_subnorm_rp_f() { ; CHECK-LABEL: define float @test_normal_minus_subnorm_to_subnorm_rp_f() { ; CHECK-NEXT: ret float 0x3800000000000000 ; %res = call float @llvm.nvvm.add.rp.f(float 0x3810000000000000, float 0xB800000000000000) ret float %res } define float @test_normal_minus_subnorm_to_subnorm_rz_f() { ; CHECK-LABEL: define float @test_normal_minus_subnorm_to_subnorm_rz_f() { ; CHECK-NEXT: ret float 0x3800000000000000 ; %res = call float @llvm.nvvm.add.rz.f(float 0x3810000000000000, float 0xB800000000000000) ret float %res } define float @test_normal_minus_subnorm_to_subnorm_rm_ftz_f() { ; CHECK-LABEL: define float @test_normal_minus_subnorm_to_subnorm_rm_ftz_f() { ; CHECK-NEXT: ret float 0x3810000000000000 ; %res = call float @llvm.nvvm.add.rm.ftz.f(float 0x3810000000000000, float 0xB800000000000000) ret float %res } define float @test_normal_minus_subnorm_to_subnorm_rn_ftz_f() { ; CHECK-LABEL: define float @test_normal_minus_subnorm_to_subnorm_rn_ftz_f() { ; CHECK-NEXT: ret float 0x3810000000000000 ; %res = call float @llvm.nvvm.add.rn.ftz.f(float 0x3810000000000000, float 0xB800000000000000) ret float %res } define float @test_normal_minus_subnorm_to_subnorm_rp_ftz_f() { ; CHECK-LABEL: define float @test_normal_minus_subnorm_to_subnorm_rp_ftz_f() { ; CHECK-NEXT: ret float 0.000000e+00 ; %res = call float @llvm.nvvm.add.rp.ftz.f(float 0x3800000000000000, float 0x3800000000000000) ret float %res } define float @test_normal_minus_subnorm_to_subnorm_rz_ftz_f() { ; CHECK-LABEL: define float @test_normal_minus_subnorm_to_subnorm_rz_ftz_f() { ; CHECK-NEXT: ret float 0.000000e+00 ; %res = call float @llvm.nvvm.add.rz.ftz.f(float 0x3800000000000000, float 0x3800000000000000) ret float %res } ;############################################################### ;# Add(1.0, 2^(-25)) # ;############################################################### ; Tests addition of 1.0 and 2^(-25) where the exact result falls between ; 1.0 and 1.0 + 2^(-23): ; - RN, RZ, RM: Return 1.0 (rounding toward nearest/zero/down) ; - RP: Returns 1.0 + 2^(-23) (rounding up) define float @test_1_plus_ulp_rm_f() { ; CHECK-LABEL: define float @test_1_plus_ulp_rm_f() { ; CHECK-NEXT: ret float 1.000000e+00 ; %res = call float @llvm.nvvm.add.rm.f(float 1.0, float 0x3E60000000000000) ret float %res } define float @test_1_plus_ulp_rn_f() { ; CHECK-LABEL: define float @test_1_plus_ulp_rn_f() { ; CHECK-NEXT: ret float 1.000000e+00 ; %res = call float @llvm.nvvm.add.rn.f(float 1.0, float 0x3E60000000000000) ret float %res } define float @test_1_plus_ulp_rp_f() { ; CHECK-LABEL: define float @test_1_plus_ulp_rp_f() { ; CHECK-NEXT: ret float 0x3FF0000020000000 ; %res = call float @llvm.nvvm.add.rp.f(float 1.0, float 0x3E60000000000000) ret float %res } define float @test_1_plus_ulp_rz_f() { ; CHECK-LABEL: define float @test_1_plus_ulp_rz_f() { ; CHECK-NEXT: ret float 1.000000e+00 ; %res = call float @llvm.nvvm.add.rz.f(float 1.0, float 0x3E60000000000000) ret float %res } define float @test_1_plus_ulp_rm_ftz_f() { ; CHECK-LABEL: define float @test_1_plus_ulp_rm_ftz_f() { ; CHECK-NEXT: ret float 1.000000e+00 ; %res = call float @llvm.nvvm.add.rm.ftz.f(float 1.0, float 0x3E60000000000000) ret float %res } define float @test_1_plus_ulp_rn_ftz_f() { ; CHECK-LABEL: define float @test_1_plus_ulp_rn_ftz_f() { ; CHECK-NEXT: ret float 1.000000e+00 ; %res = call float @llvm.nvvm.add.rn.ftz.f(float 1.0, float 0x3E60000000000000) ret float %res } define float @test_1_plus_ulp_rp_ftz_f() { ; CHECK-LABEL: define float @test_1_plus_ulp_rp_ftz_f() { ; CHECK-NEXT: ret float 0x3FF0000020000000 ; %res = call float @llvm.nvvm.add.rp.ftz.f(float 1.0, float 0x3E60000000000000) ret float %res } define float @test_1_plus_ulp_rz_ftz_f() { ; CHECK-LABEL: define float @test_1_plus_ulp_rz_ftz_f() { ; CHECK-NEXT: ret float 1.000000e+00 ; %res = call float @llvm.nvvm.add.rz.ftz.f(float 1.0, float 0x3E60000000000000) ret float %res } ;############################################################### ;# Add(1.0, 2^(-54)) # ;############################################################### ; Tests addition of 1.0 and 2^(-54) where the exact result falls between ; 1.0 and 1.0 + 2^(-52): ; - RN, RZ, RM: Return 1.0 (rounding to nearest/zero/down) ; - RP: Returns 1.0 + 2^(-52) (rounding up) define double @test_1_plus_ulp_rm_d() { ; CHECK-LABEL: define double @test_1_plus_ulp_rm_d() { ; CHECK-NEXT: ret double 1.000000e+00 ; %res = call double @llvm.nvvm.add.rm.d(double 1.0, double 0x3C90000000000000) ret double %res } define double @test_1_plus_ulp_rn_d() { ; CHECK-LABEL: define double @test_1_plus_ulp_rn_d() { ; CHECK-NEXT: ret double 1.000000e+00 ; %res = call double @llvm.nvvm.add.rn.d(double 1.0, double 0x3C90000000000000) ret double %res } define double @test_1_plus_ulp_rp_d() { ; CHECK-LABEL: define double @test_1_plus_ulp_rp_d() { ; CHECK-NEXT: ret double 0x3FF0000000000001 ; %res = call double @llvm.nvvm.add.rp.d(double 1.0, double 0x3C90000000000000) ret double %res } define double @test_1_plus_ulp_rz_d() { ; CHECK-LABEL: define double @test_1_plus_ulp_rz_d() { ; CHECK-NEXT: ret double 1.000000e+00 ; %res = call double @llvm.nvvm.add.rz.d(double 1.0, double 0x3C90000000000000) ret double %res } ;############################################################### ;# Add(-1.0, 2^(-25)) # ;############################################################### ; Tests addition of -1.0 and 2^(-25)) where the exact result falls between ; -1.0 and -1.0 + 2^(-23): ; - RN, RM: Returns -1.0 (rounding toward nearest/down) ; - RZ, RP: Return -1.0 + 2^(-23) (rounding toward zero/up) define float @test_neg_1_plus_ulp_rm_f() { ; CHECK-LABEL: define float @test_neg_1_plus_ulp_rm_f() { ; CHECK-NEXT: ret float -1.000000e+00 ; %res = call float @llvm.nvvm.add.rm.f(float -1.0, float 0x3E60000000000000) ret float %res } define float @test_neg_1_plus_ulp_rn_f() { ; CHECK-LABEL: define float @test_neg_1_plus_ulp_rn_f() { ; CHECK-NEXT: ret float -1.000000e+00 ; %res = call float @llvm.nvvm.add.rn.f(float -1.0, float 0x3E60000000000000) ret float %res } define float @test_neg_1_plus_ulp_rp_f() { ; CHECK-LABEL: define float @test_neg_1_plus_ulp_rp_f() { ; CHECK-NEXT: ret float 0xBFEFFFFFE0000000 ; %res = call float @llvm.nvvm.add.rp.f(float -1.0, float 0x3E60000000000000) ret float %res } define float @test_neg_1_plus_ulp_rz_f() { ; CHECK-LABEL: define float @test_neg_1_plus_ulp_rz_f() { ; CHECK-NEXT: ret float 0xBFEFFFFFE0000000 ; %res = call float @llvm.nvvm.add.rz.f(float -1.0, float 0x3E60000000000000) ret float %res } define float @test_neg_1_plus_ulp_rm_ftz_f() { ; CHECK-LABEL: define float @test_neg_1_plus_ulp_rm_ftz_f() { ; CHECK-NEXT: ret float -1.000000e+00 ; %res = call float @llvm.nvvm.add.rm.ftz.f(float -1.0, float 0x3E60000000000000) ret float %res } define float @test_neg_1_plus_ulp_rn_ftz_f() { ; CHECK-LABEL: define float @test_neg_1_plus_ulp_rn_ftz_f() { ; CHECK-NEXT: ret float -1.000000e+00 ; %res = call float @llvm.nvvm.add.rn.ftz.f(float -1.0, float 0x3E60000000000000) ret float %res } define float @test_neg_1_plus_ulp_rp_ftz_f() { ; CHECK-LABEL: define float @test_neg_1_plus_ulp_rp_ftz_f() { ; CHECK-NEXT: ret float 0xBFEFFFFFE0000000 ; %res = call float @llvm.nvvm.add.rp.ftz.f(float -1.0, float 0x3E60000000000000) ret float %res } define float @test_neg_1_plus_ulp_rz_ftz_f() { ; CHECK-LABEL: define float @test_neg_1_plus_ulp_rz_ftz_f() { ; CHECK-NEXT: ret float 0xBFEFFFFFE0000000 ; %res = call float @llvm.nvvm.add.rz.ftz.f(float -1.0, float 0x3E60000000000000) ret float %res } ;############################################################### ;# Add(-1.0, 2^(-54)) # ;############################################################### ; Tests addition of -1.0 and 2^(-54) where the exact result falls between ; -1.0 and -1.0 + 2^(-52): ; - RN, RM: Return -1.0 (rounding toward nearest/down) ; - RZ, RP: Return -1.0 + 2^(-52) (rounding toward zero/up) define double @test_neg_1_plus_ulp_rm_d() { ; CHECK-LABEL: define double @test_neg_1_plus_ulp_rm_d() { ; CHECK-NEXT: ret double -1.000000e+00 ; %res = call double @llvm.nvvm.add.rm.d(double -1.0, double 0x3C90000000000000) ret double %res } define double @test_neg_1_plus_ulp_rn_d() { ; CHECK-LABEL: define double @test_neg_1_plus_ulp_rn_d() { ; CHECK-NEXT: ret double -1.000000e+00 ; %res = call double @llvm.nvvm.add.rn.d(double -1.0, double 0x3C90000000000000) ret double %res } define double @test_neg_1_plus_ulp_rp_d() { ; CHECK-LABEL: define double @test_neg_1_plus_ulp_rp_d() { ; CHECK-NEXT: ret double 0xBFEFFFFFFFFFFFFF ; %res = call double @llvm.nvvm.add.rp.d(double -1.0, double 0x3C90000000000000) ret double %res } define double @test_neg_1_plus_ulp_rz_d() { ; CHECK-LABEL: define double @test_neg_1_plus_ulp_rz_d() { ; CHECK-NEXT: ret double 0xBFEFFFFFFFFFFFFF ; %res = call double @llvm.nvvm.add.rz.d(double -1.0, double 0x3C90000000000000) ret double %res } ;############################################################### ;# Add(1.0, -2^(-25)) # ;############################################################### ; Tests addition of 1.0 and -2^(-25) where the exact result falls between ; 1.0 and 1.0 - 2^(-23): ; - RN, RP: Return 1.0 (rounding toward nearest/up) ; - RZ, RM: Return 1.0 - 2^(-23) (rounding toward zero/down) define float @test_1_minus_ulp_rm_f() { ; CHECK-LABEL: define float @test_1_minus_ulp_rm_f() { ; CHECK-NEXT: ret float 0x3FEFFFFFE0000000 ; %res = call float @llvm.nvvm.add.rm.f(float 1.0, float 0xBE60000000000000) ret float %res } define float @test_1_minus_ulp_rn_f() { ; CHECK-LABEL: define float @test_1_minus_ulp_rn_f() { ; CHECK-NEXT: ret float 1.000000e+00 ; %res = call float @llvm.nvvm.add.rn.f(float 1.0, float 0xBE60000000000000) ret float %res } define float @test_1_minus_ulp_rp_f() { ; CHECK-LABEL: define float @test_1_minus_ulp_rp_f() { ; CHECK-NEXT: ret float 1.000000e+00 ; %res = call float @llvm.nvvm.add.rp.f(float 1.0, float 0xBE60000000000000) ret float %res } define float @test_1_minus_ulp_rz_f() { ; CHECK-LABEL: define float @test_1_minus_ulp_rz_f() { ; CHECK-NEXT: ret float 0x3FEFFFFFE0000000 ; %res = call float @llvm.nvvm.add.rz.f(float 1.0, float 0xBE60000000000000) ret float %res } define float @test_1_minus_ulp_rm_ftz_f() { ; CHECK-LABEL: define float @test_1_minus_ulp_rm_ftz_f() { ; CHECK-NEXT: ret float 0x3FEFFFFFE0000000 ; %res = call float @llvm.nvvm.add.rm.ftz.f(float 1.0, float 0xBE60000000000000) ret float %res } define float @test_1_minus_ulp_rn_ftz_f() { ; CHECK-LABEL: define float @test_1_minus_ulp_rn_ftz_f() { ; CHECK-NEXT: ret float 1.000000e+00 ; %res = call float @llvm.nvvm.add.rn.ftz.f(float 1.0, float 0xBE60000000000000) ret float %res } define float @test_1_minus_ulp_rp_ftz_f() { ; CHECK-LABEL: define float @test_1_minus_ulp_rp_ftz_f() { ; CHECK-NEXT: ret float 1.000000e+00 ; %res = call float @llvm.nvvm.add.rp.ftz.f(float 1.0, float 0xBE60000000000000) ret float %res } define float @test_1_minus_ulp_rz_ftz_f() { ; CHECK-LABEL: define float @test_1_minus_ulp_rz_ftz_f() { ; CHECK-NEXT: ret float 0x3FEFFFFFE0000000 ; %res = call float @llvm.nvvm.add.rz.ftz.f(float 1.0, float 0xBE60000000000000) ret float %res } ;############################################################### ;# Add(1.0, -2^(-54)) # ;############################################################### ; Tests addition of 1.0 and -2^(-54) where the exact result falls between ; 1.0 and 1.0 - 2^(-52): ; - RN, RP: Return 1.0 (rounding toward nearest/up) ; - RZ, RM: Return 1.0 - 2^(-52) (rounding toward zero/down) define double @test_1_minus_ulp_rm_d() { ; CHECK-LABEL: define double @test_1_minus_ulp_rm_d() { ; CHECK-NEXT: ret double 0x3FEFFFFFFFFFFFFF ; %res = call double @llvm.nvvm.add.rm.d(double 1.0, double 0xBC90000000000000) ret double %res } define double @test_1_minus_ulp_rn_d() { ; CHECK-LABEL: define double @test_1_minus_ulp_rn_d() { ; CHECK-NEXT: ret double 1.000000e+00 ; %res = call double @llvm.nvvm.add.rn.d(double 1.0, double 0xBC90000000000000) ret double %res } define double @test_1_minus_ulp_rp_d() { ; CHECK-LABEL: define double @test_1_minus_ulp_rp_d() { ; CHECK-NEXT: ret double 1.000000e+00 ; %res = call double @llvm.nvvm.add.rp.d(double 1.0, double 0xBC90000000000000) ret double %res } define double @test_1_minus_ulp_rz_d() { ; CHECK-LABEL: define double @test_1_minus_ulp_rz_d() { ; CHECK-NEXT: ret double 0x3FEFFFFFFFFFFFFF ; %res = call double @llvm.nvvm.add.rz.d(double 1.0, double 0xBC90000000000000) ret double %res } ;############################################################### ;# Add(-1.0, -2^(-25)) # ;############################################################### ; Tests addition of -1.0 and -2^(-25) where the exact result falls between ; -1.0 and -1.0 - 2^(-23): ; - RN, RZ, RP: Return -1.0 (rounding to nearest/zero/up) ; - RM: Return -1.0 - 2^(-23) (rounding down) define float @test_neg_1_minus_ulp_rm_f() { ; CHECK-LABEL: define float @test_neg_1_minus_ulp_rm_f() { ; CHECK-NEXT: ret float 0xBFF0000020000000 ; %res = call float @llvm.nvvm.add.rm.f(float -1.0, float 0xBE60000000000000) ret float %res } define float @test_neg_1_minus_ulp_rn_f() { ; CHECK-LABEL: define float @test_neg_1_minus_ulp_rn_f() { ; CHECK-NEXT: ret float -1.000000e+00 ; %res = call float @llvm.nvvm.add.rn.f(float -1.0, float 0xBE60000000000000) ret float %res } define float @test_neg_1_minus_ulp_rp_f() { ; CHECK-LABEL: define float @test_neg_1_minus_ulp_rp_f() { ; CHECK-NEXT: ret float -1.000000e+00 ; %res = call float @llvm.nvvm.add.rp.f(float -1.0, float 0xBE60000000000000) ret float %res } define float @test_neg_1_minus_ulp_rz_f() { ; CHECK-LABEL: define float @test_neg_1_minus_ulp_rz_f() { ; CHECK-NEXT: ret float -1.000000e+00 ; %res = call float @llvm.nvvm.add.rz.f(float -1.0, float 0xBE60000000000000) ret float %res } define float @test_neg_1_minus_ulp_rm_ftz_f() { ; CHECK-LABEL: define float @test_neg_1_minus_ulp_rm_ftz_f() { ; CHECK-NEXT: ret float 0xBFF0000020000000 ; %res = call float @llvm.nvvm.add.rm.ftz.f(float -1.0, float 0xBE60000000000000) ret float %res } define float @test_neg_1_minus_ulp_rn_ftz_f() { ; CHECK-LABEL: define float @test_neg_1_minus_ulp_rn_ftz_f() { ; CHECK-NEXT: ret float -1.000000e+00 ; %res = call float @llvm.nvvm.add.rn.ftz.f(float -1.0, float 0xBE60000000000000) ret float %res } define float @test_neg_1_minus_ulp_rp_ftz_f() { ; CHECK-LABEL: define float @test_neg_1_minus_ulp_rp_ftz_f() { ; CHECK-NEXT: ret float -1.000000e+00 ; %res = call float @llvm.nvvm.add.rp.ftz.f(float -1.0, float 0xBE60000000000000) ret float %res } define float @test_neg_1_minus_ulp_rz_ftz_f() { ; CHECK-LABEL: define float @test_neg_1_minus_ulp_rz_ftz_f() { ; CHECK-NEXT: ret float -1.000000e+00 ; %res = call float @llvm.nvvm.add.rz.ftz.f(float -1.0, float 0xBE60000000000000) ret float %res } ;############################################################### ;# Add(-1.0, -2^(-54)) # ;############################################################### ; Tests addition of -1.0 and -2^(-54) where the exact result falls between ; -1.0 and -1.0 - 2^(-52): ; - RN, RZ, RP: Return -1.0 (rounding to nearest/zero/up) ; - RM: Return -1.0 - 2^(-52) (rounding down) define double @test_neg_1_minus_ulp_rm_d() { ; CHECK-LABEL: define double @test_neg_1_minus_ulp_rm_d() { ; CHECK-NEXT: ret double 0xBFF0000000000001 ; %res = call double @llvm.nvvm.add.rm.d(double -1.0, double 0xBC90000000000000) ret double %res } define double @test_neg_1_minus_ulp_rn_d() { ; CHECK-LABEL: define double @test_neg_1_minus_ulp_rn_d() { ; CHECK-NEXT: ret double -1.000000e+00 ; %res = call double @llvm.nvvm.add.rn.d(double -1.0, double 0xBC90000000000000) ret double %res } define double @test_neg_1_minus_ulp_rp_d() { ; CHECK-LABEL: define double @test_neg_1_minus_ulp_rp_d() { ; CHECK-NEXT: ret double -1.000000e+00 ; %res = call double @llvm.nvvm.add.rp.d(double -1.0, double 0xBC90000000000000) ret double %res } define double @test_neg_1_minus_ulp_rz_d() { ; CHECK-LABEL: define double @test_neg_1_minus_ulp_rz_d() { ; CHECK-NEXT: ret double -1.000000e+00 ; %res = call double @llvm.nvvm.add.rz.d(double -1.0, double 0xBC90000000000000) ret double %res }