| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -instcombine -S | FileCheck %s |
| |
| define float @powf_expf(float %x, float %y) { |
| ; CHECK-LABEL: @powf_expf( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul fast float [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[EXP:%.*]] = call fast float @llvm.exp.f32(float [[MUL]]) |
| ; CHECK-NEXT: ret float [[EXP]] |
| ; |
| %call = call fast float @expf(float %x) nounwind readnone |
| %pow = call fast float @llvm.pow.f32(float %call, float %y) |
| ret float %pow |
| } |
| |
| define float @powf_expf_libcall(float %x, float %y) { |
| ; CHECK-LABEL: @powf_expf_libcall( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul fast float [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[EXPF:%.*]] = call fast float @expf(float [[MUL]]) |
| ; CHECK-NEXT: ret float [[EXPF]] |
| ; |
| %call = call fast float @expf(float %x) |
| %pow = call fast float @powf(float %call, float %y) |
| ret float %pow |
| } |
| |
| define double @pow_exp(double %x, double %y) { |
| ; CHECK-LABEL: @pow_exp( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul fast double [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[EXP:%.*]] = call fast double @llvm.exp.f64(double [[MUL]]) |
| ; CHECK-NEXT: ret double [[EXP]] |
| ; |
| %call = call fast double @exp(double %x) nounwind readnone |
| %pow = call fast double @llvm.pow.f64(double %call, double %y) |
| ret double %pow |
| } |
| |
| define double @pow_exp_not_intrinsic(double %x, double %y) { |
| ; CHECK-LABEL: @pow_exp_not_intrinsic( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul fast double [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[EXP:%.*]] = call fast double @llvm.exp.f64(double [[MUL]]) |
| ; CHECK-NEXT: ret double [[EXP]] |
| ; |
| %call = call fast double @exp(double %x) nounwind readnone |
| %pow = call fast double @pow(double %call, double %y) nounwind readnone |
| ret double %pow |
| } |
| |
| define fp128 @powl_expl(fp128 %x, fp128 %y) { |
| ; CHECK-LABEL: @powl_expl( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul fast fp128 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[EXP:%.*]] = call fast fp128 @llvm.exp.f128(fp128 [[MUL]]) |
| ; CHECK-NEXT: ret fp128 [[EXP]] |
| ; |
| %call = call fast fp128 @expl(fp128 %x) nounwind readnone |
| %pow = call fast fp128 @llvm.pow.f128(fp128 %call, fp128 %y) |
| ret fp128 %pow |
| } |
| |
| define fp128 @powl_expl_not_fast(fp128 %x, fp128 %y) { |
| ; CHECK-LABEL: @powl_expl_not_fast( |
| ; CHECK-NEXT: [[CALL:%.*]] = call fp128 @expl(fp128 [[X:%.*]]) |
| ; CHECK-NEXT: [[POW:%.*]] = call fast fp128 @llvm.pow.f128(fp128 [[CALL]], fp128 [[Y:%.*]]) |
| ; CHECK-NEXT: ret fp128 [[POW]] |
| ; |
| %call = call fp128 @expl(fp128 %x) |
| %pow = call fast fp128 @llvm.pow.f128(fp128 %call, fp128 %y) |
| ret fp128 %pow |
| } |
| |
| define float @powf_exp2f(float %x, float %y) { |
| ; CHECK-LABEL: @powf_exp2f( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul fast float [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[EXP2:%.*]] = call fast float @llvm.exp2.f32(float [[MUL]]) |
| ; CHECK-NEXT: ret float [[EXP2]] |
| ; |
| %call = call fast float @exp2f(float %x) nounwind readnone |
| %pow = call fast float @llvm.pow.f32(float %call, float %y) |
| ret float %pow |
| } |
| |
| define float @powf_exp2f_not_intrinsic(float %x, float %y) { |
| ; CHECK-LABEL: @powf_exp2f_not_intrinsic( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul fast float [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[EXP2:%.*]] = call fast float @llvm.exp2.f32(float [[MUL]]) |
| ; CHECK-NEXT: ret float [[EXP2]] |
| ; |
| %call = call fast float @exp2f(float %x) nounwind readnone |
| %pow = call fast float @powf(float %call, float %y) nounwind readnone |
| ret float %pow |
| } |
| |
| define double @pow_exp2(double %x, double %y) { |
| ; CHECK-LABEL: @pow_exp2( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul fast double [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[EXP2:%.*]] = call fast double @llvm.exp2.f64(double [[MUL]]) |
| ; CHECK-NEXT: ret double [[EXP2]] |
| ; |
| %call = call fast double @exp2(double %x) nounwind readnone |
| %pow = call fast double @llvm.pow.f64(double %call, double %y) |
| ret double %pow |
| } |
| |
| define double @pow_exp2_libcall(double %x, double %y) { |
| ; CHECK-LABEL: @pow_exp2_libcall( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul fast double [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[EXP2:%.*]] = call fast double @exp2(double [[MUL]]) |
| ; CHECK-NEXT: ret double [[EXP2]] |
| ; |
| %call = call fast double @exp2(double %x) |
| %pow = call fast double @pow(double %call, double %y) |
| ret double %pow |
| } |
| |
| define fp128 @powl_exp2l(fp128 %x, fp128 %y) { |
| ; CHECK-LABEL: @powl_exp2l( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul fast fp128 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: [[EXP2:%.*]] = call fast fp128 @llvm.exp2.f128(fp128 [[MUL]]) |
| ; CHECK-NEXT: ret fp128 [[EXP2]] |
| ; |
| %call = call fast fp128 @exp2l(fp128 %x) nounwind readnone |
| %pow = call fast fp128 @llvm.pow.f128(fp128 %call, fp128 %y) |
| ret fp128 %pow |
| } |
| |
| define fp128 @powl_exp2l_not_fast(fp128 %x, fp128 %y) { |
| ; CHECK-LABEL: @powl_exp2l_not_fast( |
| ; CHECK-NEXT: [[CALL:%.*]] = call fp128 @exp2l(fp128 [[X:%.*]]) |
| ; CHECK-NEXT: [[POW:%.*]] = call fast fp128 @llvm.pow.f128(fp128 [[CALL]], fp128 [[Y:%.*]]) |
| ; CHECK-NEXT: ret fp128 [[POW]] |
| ; |
| %call = call fp128 @exp2l(fp128 %x) |
| %pow = call fast fp128 @llvm.pow.f128(fp128 %call, fp128 %y) |
| ret fp128 %pow |
| } |
| |
| ; TODO: exp10() is not widely enabled by many targets yet. |
| |
| define float @powf_exp10f(float %x, float %y) { |
| ; CHECK-LABEL: @powf_exp10f( |
| ; CHECK-NEXT: [[CALL:%.*]] = call fast float @exp10f(float [[X:%.*]]) #1 |
| ; CHECK-NEXT: [[POW:%.*]] = call fast float @llvm.pow.f32(float [[CALL]], float [[Y:%.*]]) |
| ; CHECK-NEXT: ret float [[POW]] |
| ; |
| %call = call fast float @exp10f(float %x) nounwind readnone |
| %pow = call fast float @llvm.pow.f32(float %call, float %y) |
| ret float %pow |
| } |
| |
| define double @pow_exp10(double %x, double %y) { |
| ; CHECK-LABEL: @pow_exp10( |
| ; CHECK-NEXT: [[CALL:%.*]] = call fast double @exp10(double [[X:%.*]]) #1 |
| ; CHECK-NEXT: [[POW:%.*]] = call fast double @llvm.pow.f64(double [[CALL]], double [[Y:%.*]]) |
| ; CHECK-NEXT: ret double [[POW]] |
| ; |
| %call = call fast double @exp10(double %x) nounwind readnone |
| %pow = call fast double @llvm.pow.f64(double %call, double %y) |
| ret double %pow |
| } |
| |
| define fp128 @pow_exp10l(fp128 %x, fp128 %y) { |
| ; CHECK-LABEL: @pow_exp10l( |
| ; CHECK-NEXT: [[CALL:%.*]] = call fast fp128 @exp10l(fp128 [[X:%.*]]) #1 |
| ; CHECK-NEXT: [[POW:%.*]] = call fast fp128 @llvm.pow.f128(fp128 [[CALL]], fp128 [[Y:%.*]]) |
| ; CHECK-NEXT: ret fp128 [[POW]] |
| ; |
| %call = call fast fp128 @exp10l(fp128 %x) nounwind readnone |
| %pow = call fast fp128 @llvm.pow.f128(fp128 %call, fp128 %y) |
| ret fp128 %pow |
| } |
| |
| define float @reuse_fast(float %x, float %y, float * %p) { |
| ; CHECK-LABEL: @reuse_fast( |
| ; CHECK-NEXT: [[EXP:%.*]] = call fast float @expf(float [[X:%.*]]) |
| ; CHECK-NEXT: [[POW:%.*]] = call fast float @powf(float [[EXP]], float [[Y:%.*]]) |
| ; CHECK-NEXT: store float [[EXP]], float* [[P:%.*]], align 4 |
| ; CHECK-NEXT: ret float [[POW]] |
| ; |
| %exp = call fast float @expf(float %x) |
| %pow = call fast float @powf(float %exp, float %y) |
| store float %exp, float *%p, align 4 |
| ret float %pow |
| } |
| |
| define fp128 @reuse_libcall(fp128 %x, fp128 %y, fp128 * %p) { |
| ; CHECK-LABEL: @reuse_libcall( |
| ; CHECK-NEXT: [[EXP:%.*]] = call fp128 @expl(fp128 [[X:%.*]]) |
| ; CHECK-NEXT: [[POW:%.*]] = call fp128 @powl(fp128 [[EXP]], fp128 [[Y:%.*]]) |
| ; CHECK-NEXT: store fp128 [[EXP]], fp128* [[P:%.*]], align 16 |
| ; CHECK-NEXT: ret fp128 [[POW]] |
| ; |
| %exp = call fp128 @expl(fp128 %x) |
| %pow = call fp128 @powl(fp128 %exp, fp128 %y) |
| store fp128 %exp, fp128 *%p, align 16 |
| ret fp128 %pow |
| } |
| |
| define double @function_pointer(double ()* %fptr, double %p1) { |
| ; CHECK-LABEL: @function_pointer( |
| ; CHECK-NEXT: [[CALL1:%.*]] = call fast double [[FPTR:%.*]]() |
| ; CHECK-NEXT: [[POW:%.*]] = call fast double @llvm.pow.f64(double [[CALL1]], double [[P1:%.*]]) |
| ; CHECK-NEXT: ret double [[POW]] |
| ; |
| %call1 = call fast double %fptr() |
| %pow = call fast double @llvm.pow.f64(double %call1, double %p1) |
| ret double %pow |
| } |
| |
| ; pow(C,x) -> exp2(log2(C)*x) |
| |
| declare void @use_d(double) |
| declare void @use_f(float) |
| |
| define double @pow_ok_base(double %e) { |
| ; CHECK-LABEL: @pow_ok_base( |
| ; Do not change 0xBFE0776{{.*}} to the exact constant, see PR42740 |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul nnan ninf afn double [[E:%.*]], 0xBFE0776{{.*}} |
| ; CHECK-NEXT: [[EXP2:%.*]] = call nnan ninf afn double @exp2(double [[MUL]]) |
| ; CHECK-NEXT: ret double [[EXP2]] |
| ; |
| %call = tail call afn nnan ninf double @pow(double 0x3FE6666666666666, double %e) |
| ret double %call |
| } |
| |
| define double @pow_ok_base_fast(double %e) { |
| ; CHECK-LABEL: @pow_ok_base_fast( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul fast double [[E:%.*]], 0xBFE0776{{.*}} |
| ; CHECK-NEXT: [[EXP2:%.*]] = call fast double @exp2(double [[MUL]]) |
| ; CHECK-NEXT: ret double [[EXP2]] |
| ; |
| %call = tail call fast double @pow(double 0x3FE6666666666666, double %e) |
| ret double %call |
| } |
| |
| define double @pow_ok_base2(double %e) { |
| ; CHECK-LABEL: @pow_ok_base2( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul nnan ninf afn double [[E:%.*]], 0x4010952{{.*}} |
| ; CHECK-NEXT: [[EXP2:%.*]] = call nnan ninf afn double @exp2(double [[MUL]]) |
| ; CHECK-NEXT: ret double [[EXP2]] |
| ; |
| %call = tail call afn nnan ninf double @pow(double 1.770000e+01, double %e) |
| ret double %call |
| } |
| |
| define double @pow_ok_base3(double %e) { |
| ; CHECK-LABEL: @pow_ok_base3( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul nnan ninf afn double [[E:%.*]], 0x400AB0B5{{.*}} |
| ; CHECK-NEXT: [[EXP2:%.*]] = call nnan ninf afn double @exp2(double [[MUL]]) |
| ; CHECK-NEXT: ret double [[EXP2]] |
| ; |
| %call = tail call afn nnan ninf double @pow(double 1.010000e+01, double %e) |
| ret double %call |
| } |
| |
| define double @pow_ok_ten_base(double %e) { |
| ; CHECK-LABEL: @pow_ok_ten_base( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul nnan ninf afn double [[E:%.*]], 0x400A934F{{.*}} |
| ; CHECK-NEXT: [[EXP2:%.*]] = call nnan ninf afn double @exp2(double [[MUL]]) |
| ; CHECK-NEXT: ret double [[EXP2]] |
| ; |
| %call = tail call afn nnan ninf double @pow(double 1.000000e+01, double %e) |
| ret double %call |
| } |
| |
| define double @pow_ok_denorm_base(double %e) { |
| ; CHECK-LABEL: @pow_ok_denorm_base( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul nnan ninf afn double [[E:%.*]], 0xC0904800000005C5 |
| ; CHECK-NEXT: [[EXP2:%.*]] = call nnan ninf afn double @exp2(double [[MUL]]) |
| ; CHECK-NEXT: ret double [[EXP2]] |
| ; |
| %call = tail call afn nnan ninf double @pow(double 0x00000000FFFFFFFF, double %e) |
| ret double %call |
| } |
| |
| define float @powf_ok_base(float %e) { |
| ; CHECK-LABEL: @powf_ok_base( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul nnan ninf afn float [[E:%.*]], 0xBFE07762{{.*}} |
| ; CHECK-NEXT: [[EXP2F:%.*]] = call nnan ninf afn float @exp2f(float [[MUL]]) |
| ; CHECK-NEXT: ret float [[EXP2F]] |
| ; |
| %call = tail call afn nnan ninf float @powf(float 0x3FE6666660000000, float %e) |
| ret float %call |
| } |
| |
| define float @powf_ok_base2(float %e) { |
| ; CHECK-LABEL: @powf_ok_base2( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul nnan ninf afn float [[E:%.*]], 0x4010952{{.*}} |
| ; CHECK-NEXT: [[EXP2F:%.*]] = call nnan ninf afn float @exp2f(float [[MUL]]) |
| ; CHECK-NEXT: ret float [[EXP2F]] |
| ; |
| %call = tail call afn nnan ninf float @powf(float 0x4031B33340000000, float %e) |
| ret float %call |
| } |
| |
| define float @powf_ok_base3(float %e) { |
| ; CHECK-LABEL: @powf_ok_base3( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul nnan ninf afn float [[E:%.*]], 0x400AB0B5{{.*}} |
| ; CHECK-NEXT: [[EXP2F:%.*]] = call nnan ninf afn float @exp2f(float [[MUL]]) |
| ; CHECK-NEXT: ret float [[EXP2F]] |
| ; |
| %call = tail call afn nnan ninf float @powf(float 0x4024333340000000, float %e) |
| ret float %call |
| } |
| |
| define float @powf_ok_ten_base(float %e) { |
| ; CHECK-LABEL: @powf_ok_ten_base( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul nnan ninf afn float [[E:%.*]], 0x400A934{{.*}} |
| ; CHECK-NEXT: [[EXP2F:%.*]] = call nnan ninf afn float @exp2f(float [[MUL]]) |
| ; CHECK-NEXT: ret float [[EXP2F]] |
| ; |
| %call = tail call afn nnan ninf float @powf(float 1.000000e+01, float %e) |
| ret float %call |
| } |
| |
| define float @powf_ok_denorm_base(float %e) { |
| ; CHECK-LABEL: @powf_ok_denorm_base( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul nnan ninf afn float [[E:%.*]], -1.350000e+02 |
| ; CHECK-NEXT: [[EXP2F:%.*]] = call nnan ninf afn float @exp2f(float [[MUL]]) |
| ; CHECK-NEXT: ret float [[EXP2F]] |
| ; |
| %call = tail call afn nnan ninf float @powf(float 0x3780000000000000, float %e) |
| ret float %call |
| } |
| |
| ; Negative tests |
| |
| define double @pow_zero_base(double %e) { |
| ; CHECK-LABEL: @pow_zero_base( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call nnan ninf afn double @pow(double 0.000000e+00, double [[E:%.*]]) |
| ; CHECK-NEXT: ret double [[CALL]] |
| ; |
| %call = tail call afn nnan ninf double @pow(double 0.000000e+00, double %e) |
| ret double %call |
| } |
| |
| define double @pow_zero_base2(double %e) { |
| ; CHECK-LABEL: @pow_zero_base2( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call nnan ninf afn double @pow(double -0.000000e+00, double [[E:%.*]]) |
| ; CHECK-NEXT: ret double [[CALL]] |
| ; |
| %call = tail call afn nnan ninf double @pow(double -0.000000e+00, double %e) |
| ret double %call |
| } |
| |
| define double @pow_inf_base(double %e) { |
| ; CHECK-LABEL: @pow_inf_base( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call nnan ninf afn double @pow(double 0x7FF0000000000000, double [[E:%.*]]) |
| ; CHECK-NEXT: ret double [[CALL]] |
| ; |
| %call = tail call afn nnan ninf double @pow(double 0x7FF0000000000000, double %e) |
| ret double %call |
| } |
| |
| define double @pow_nan_base(double %e) { |
| ; CHECK-LABEL: @pow_nan_base( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call nnan ninf afn double @pow(double 0x7FF8000000000000, double [[E:%.*]]) |
| ; CHECK-NEXT: ret double [[CALL]] |
| ; |
| %call = tail call afn nnan ninf double @pow(double 0x7FF8000000000000, double %e) |
| ret double %call |
| } |
| |
| define double @pow_negative_base(double %e) { |
| ; CHECK-LABEL: @pow_negative_base( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call nnan ninf afn double @pow(double -4.000000e+00, double [[E:%.*]]) |
| ; CHECK-NEXT: ret double [[CALL]] |
| ; |
| %call = tail call afn nnan ninf double @pow(double -4.000000e+00, double %e) |
| ret double %call |
| } |
| |
| define double @pow_multiuse(double %e) { |
| ; CHECK-LABEL: @pow_multiuse( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul nnan ninf afn double [[E:%.*]], 0x4002934{{.*}} |
| ; CHECK-NEXT: [[EXP2:%.*]] = call nnan ninf afn double @exp2(double [[MUL]]) |
| ; CHECK-NEXT: tail call void @use_d(double [[EXP2]]) |
| ; CHECK-NEXT: ret double [[EXP2]] |
| ; |
| %call = tail call afn nnan ninf double @pow(double 5.000000e+00, double %e) |
| tail call void @use_d(double %call) |
| ret double %call |
| } |
| |
| define double @pow_ok_base_no_afn(double %e) { |
| ; CHECK-LABEL: @pow_ok_base_no_afn( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call nnan ninf double @pow(double 0x3FE6666666666666, double [[E:%.*]]) |
| ; CHECK-NEXT: ret double [[CALL]] |
| ; |
| %call = tail call nnan ninf double @pow(double 0x3FE6666666666666, double %e) |
| ret double %call |
| } |
| |
| define double @pow_ok_base_no_nnan(double %e) { |
| ; CHECK-LABEL: @pow_ok_base_no_nnan( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call ninf afn double @pow(double 0x3FE6666666666666, double [[E:%.*]]) |
| ; CHECK-NEXT: ret double [[CALL]] |
| ; |
| %call = tail call afn ninf double @pow(double 0x3FE6666666666666, double %e) |
| ret double %call |
| } |
| |
| define double @pow_ok_base_no_ninf(double %e) { |
| ; CHECK-LABEL: @pow_ok_base_no_ninf( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul nnan afn double [[E:%.*]], 0xBFE0776{{.*}} |
| ; CHECK-NEXT: [[EXP2:%.*]] = call nnan afn double @exp2(double [[MUL]]) |
| ; CHECK-NEXT: ret double [[EXP2]] |
| ; |
| %call = tail call afn nnan double @pow(double 0x3FE6666666666666, double %e) |
| ret double %call |
| } |
| |
| define float @powf_zero_base(float %e) { |
| ; CHECK-LABEL: @powf_zero_base( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call nnan ninf afn float @powf(float 0.000000e+00, float [[E:%.*]]) |
| ; CHECK-NEXT: ret float [[CALL]] |
| ; |
| %call = tail call afn nnan ninf float @powf(float 0.000000e+00, float %e) |
| ret float %call |
| } |
| |
| define float @powf_zero_base2(float %e) { |
| ; CHECK-LABEL: @powf_zero_base2( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call nnan ninf afn float @powf(float -0.000000e+00, float [[E:%.*]]) |
| ; CHECK-NEXT: ret float [[CALL]] |
| ; |
| %call = tail call afn nnan ninf float @powf(float -0.000000e+00, float %e) |
| ret float %call |
| } |
| |
| define float @powf_inf_base(float %e) { |
| ; CHECK-LABEL: @powf_inf_base( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call nnan ninf afn float @powf(float 0x7FF0000000000000, float [[E:%.*]]) |
| ; CHECK-NEXT: ret float [[CALL]] |
| ; |
| %call = tail call afn nnan ninf float @powf(float 0x7FF0000000000000, float %e) |
| ret float %call |
| } |
| |
| define float @powf_nan_base(float %e) { |
| ; CHECK-LABEL: @powf_nan_base( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call nnan ninf afn float @powf(float 0x7FF8000000000000, float [[E:%.*]]) |
| ; CHECK-NEXT: ret float [[CALL]] |
| ; |
| %call = tail call afn nnan ninf float @powf(float 0x7FF8000000000000, float %e) |
| ret float %call |
| } |
| |
| define float @powf_negative_base(float %e) { |
| ; CHECK-LABEL: @powf_negative_base( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call nnan ninf afn float @powf(float -4.000000e+00, float [[E:%.*]]) |
| ; CHECK-NEXT: ret float [[CALL]] |
| ; |
| %call = tail call afn nnan ninf float @powf(float -4.000000e+00, float %e) |
| ret float %call |
| } |
| |
| define float @powf_multiuse(float %e) { |
| ; CHECK-LABEL: @powf_multiuse( |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul nnan ninf afn float [[E:%.*]], 0x4002934{{.*}} |
| ; CHECK-NEXT: [[EXP2F:%.*]] = call nnan ninf afn float @exp2f(float [[MUL]]) |
| ; CHECK-NEXT: tail call void @use_f(float [[EXP2F]]) |
| ; CHECK-NEXT: ret float [[EXP2F]] |
| ; |
| %call = tail call afn nnan ninf float @powf(float 5.000000e+00, float %e) |
| tail call void @use_f(float %call) |
| ret float %call |
| } |
| |
| define float @powf_ok_base_no_afn(float %e) { |
| ; CHECK-LABEL: @powf_ok_base_no_afn( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call float @powf(float 0x3FE6666660000000, float [[E:%.*]]) |
| ; CHECK-NEXT: ret float [[CALL]] |
| ; |
| %call = tail call float @powf(float 0x3FE6666660000000, float %e) |
| ret float %call |
| } |
| |
| define fp128 @powl_long_dbl_no_fold(fp128 %e) { |
| ; CHECK-LABEL: @powl_long_dbl_no_fold( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call nnan ninf afn fp128 @powl(fp128 0xL00000000000000005001000000000000, fp128 [[E:%.*]]) |
| ; CHECK-NEXT: ret fp128 [[CALL]] |
| ; |
| %call = tail call afn nnan ninf fp128 @powl(fp128 0xL00000000000000005001000000000000, fp128 %e) |
| ret fp128 %call |
| } |
| |
| declare float @expf(float) |
| declare double @exp(double) |
| declare fp128 @expl(fp128) |
| declare float @exp2f(float) |
| declare double @exp2(double) |
| declare fp128 @exp2l(fp128) |
| declare float @exp10f(float) |
| declare double @exp10(double) |
| declare fp128 @exp10l(fp128) |
| declare float @powf(float, float) |
| declare double @pow(double, double) |
| declare fp128 @powl(fp128, fp128) |
| declare float @llvm.pow.f32(float, float) |
| declare double @llvm.pow.f64(double, double) |
| declare fp128 @llvm.pow.f128(fp128, fp128) |