| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -instcombine -S < %s | FileCheck %s |
| |
| ; PR42190 |
| |
| define double @pow_sitofp_const_base_fast(i32 %x) { |
| ; CHECK-LABEL: @pow_sitofp_const_base_fast( |
| ; CHECK-NEXT: [[SUBFP:%.*]] = sitofp i32 [[X:%.*]] to float |
| ; CHECK-NEXT: [[POWI:%.*]] = tail call fast float @llvm.pow.f32(float 7.000000e+00, float [[SUBFP]]) |
| ; CHECK-NEXT: [[RES:%.*]] = fpext float [[POWI]] to double |
| ; CHECK-NEXT: ret double [[RES]] |
| ; |
| %subfp = sitofp i32 %x to float |
| %powi = tail call fast float @llvm.pow.f32(float 7.000000e+00, float %subfp) |
| %res = fpext float %powi to double |
| ret double %res |
| } |
| |
| define double @pow_sitofp_const_base_power_of_2_fast(i32 %x) { |
| ; CHECK-LABEL: @pow_sitofp_const_base_power_of_2_fast( |
| ; CHECK-NEXT: [[SUBFP:%.*]] = sitofp i32 [[X:%.*]] to float |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul fast float [[SUBFP]], 4.000000e+00 |
| ; CHECK-NEXT: [[EXP2:%.*]] = call fast float @llvm.exp2.f32(float [[MUL]]) |
| ; CHECK-NEXT: [[RES:%.*]] = fpext float [[EXP2]] to double |
| ; CHECK-NEXT: ret double [[RES]] |
| ; |
| %subfp = sitofp i32 %x to float |
| %powi = tail call fast float @llvm.pow.f32(float 16.000000e+00, float %subfp) |
| %res = fpext float %powi to double |
| ret double %res |
| } |
| |
| define double @pow_sitofp_float_base_fast(float %base, i32 %x) { |
| ; CHECK-LABEL: @pow_sitofp_float_base_fast( |
| ; CHECK-NEXT: [[SUBFP:%.*]] = sitofp i32 [[X:%.*]] to float |
| ; CHECK-NEXT: [[POWI:%.*]] = tail call fast float @llvm.pow.f32(float [[BASE:%.*]], float [[SUBFP]]) |
| ; CHECK-NEXT: [[RES:%.*]] = fpext float [[POWI]] to double |
| ; CHECK-NEXT: ret double [[RES]] |
| ; |
| %subfp = sitofp i32 %x to float |
| %powi = tail call fast float @llvm.pow.f32(float %base, float %subfp) |
| %res = fpext float %powi to double |
| ret double %res |
| } |
| |
| define double @pow_sitofp_double_base_fast(double %base, i32 %x) { |
| ; CHECK-LABEL: @pow_sitofp_double_base_fast( |
| ; CHECK-NEXT: [[SUBFP:%.*]] = sitofp i32 [[X:%.*]] to double |
| ; CHECK-NEXT: [[RES:%.*]] = tail call fast double @llvm.pow.f64(double [[BASE:%.*]], double [[SUBFP]]) |
| ; CHECK-NEXT: ret double [[RES]] |
| ; |
| %subfp = sitofp i32 %x to double |
| %res = tail call fast double @llvm.pow.f64(double %base, double %subfp) |
| ret double %res |
| } |
| |
| define double @powf_exp_const_int_fast(double %base) { |
| ; CHECK-LABEL: @powf_exp_const_int_fast( |
| ; CHECK-NEXT: [[RES:%.*]] = tail call fast double @llvm.pow.f64(double [[BASE:%.*]], double 4.000000e+01) |
| ; CHECK-NEXT: ret double [[RES]] |
| ; |
| %res = tail call fast double @llvm.pow.f64(double %base, double 4.000000e+01) |
| ret double %res |
| } |
| |
| define double @pow_sitofp_const_base_no_fast(i32 %x) { |
| ; CHECK-LABEL: @pow_sitofp_const_base_no_fast( |
| ; CHECK-NEXT: [[SUBFP:%.*]] = sitofp i32 [[X:%.*]] to float |
| ; CHECK-NEXT: [[POWI:%.*]] = tail call float @llvm.pow.f32(float 7.000000e+00, float [[SUBFP]]) |
| ; CHECK-NEXT: [[RES:%.*]] = fpext float [[POWI]] to double |
| ; CHECK-NEXT: ret double [[RES]] |
| ; |
| %subfp = sitofp i32 %x to float |
| %powi = tail call float @llvm.pow.f32(float 7.000000e+00, float %subfp) |
| %res = fpext float %powi to double |
| ret double %res |
| } |
| |
| define double @pow_sitofp_const_base_power_of_2_no_fast(i32 %x) { |
| ; CHECK-LABEL: @pow_sitofp_const_base_power_of_2_no_fast( |
| ; CHECK-NEXT: [[SUBFP:%.*]] = sitofp i32 [[X:%.*]] to float |
| ; CHECK-NEXT: [[MUL:%.*]] = fmul float [[SUBFP]], 4.000000e+00 |
| ; CHECK-NEXT: [[EXP2:%.*]] = call float @llvm.exp2.f32(float [[MUL]]) |
| ; CHECK-NEXT: [[RES:%.*]] = fpext float [[EXP2]] to double |
| ; CHECK-NEXT: ret double [[RES]] |
| ; |
| %subfp = sitofp i32 %x to float |
| %powi = tail call float @llvm.pow.f32(float 16.000000e+00, float %subfp) |
| %res = fpext float %powi to double |
| ret double %res |
| } |
| |
| define double @pow_sitofp_float_base_no_fast(float %base, i32 %x) { |
| ; CHECK-LABEL: @pow_sitofp_float_base_no_fast( |
| ; CHECK-NEXT: [[SUBFP:%.*]] = sitofp i32 [[X:%.*]] to float |
| ; CHECK-NEXT: [[POWI:%.*]] = tail call float @llvm.pow.f32(float [[BASE:%.*]], float [[SUBFP]]) |
| ; CHECK-NEXT: [[RES:%.*]] = fpext float [[POWI]] to double |
| ; CHECK-NEXT: ret double [[RES]] |
| ; |
| %subfp = sitofp i32 %x to float |
| %powi = tail call float @llvm.pow.f32(float %base, float %subfp) |
| %res = fpext float %powi to double |
| ret double %res |
| } |
| |
| define double @pow_sitofp_double_base_no_fast(double %base, i32 %x) { |
| ; CHECK-LABEL: @pow_sitofp_double_base_no_fast( |
| ; CHECK-NEXT: [[SUBFP:%.*]] = sitofp i32 [[X:%.*]] to double |
| ; CHECK-NEXT: [[POWI:%.*]] = tail call double @llvm.pow.f64(double [[BASE:%.*]], double [[SUBFP]]) |
| ; CHECK-NEXT: ret double [[POWI]] |
| ; |
| %subfp = sitofp i32 %x to double |
| %powi = tail call double @llvm.pow.f64(double %base, double %subfp) |
| ret double %powi |
| } |
| |
| define double @powf_exp_const_int_no_fast(double %base) { |
| ; CHECK-LABEL: @powf_exp_const_int_no_fast( |
| ; CHECK-NEXT: [[RES:%.*]] = tail call double @llvm.pow.f64(double [[BASE:%.*]], double 4.000000e+01) |
| ; CHECK-NEXT: ret double [[RES]] |
| ; |
| %res = tail call double @llvm.pow.f64(double %base, double 4.000000e+01) |
| ret double %res |
| } |
| |
| define double @powf_exp_const_not_int_fast(double %base) { |
| ; CHECK-LABEL: @powf_exp_const_not_int_fast( |
| ; CHECK-NEXT: [[RES:%.*]] = tail call fast double @llvm.pow.f64(double [[BASE:%.*]], double 3.750000e+01) |
| ; CHECK-NEXT: ret double [[RES]] |
| ; |
| %res = tail call fast double @llvm.pow.f64(double %base, double 3.750000e+01) |
| ret double %res |
| } |
| |
| define double @powf_exp_const_not_int_no_fast(double %base) { |
| ; CHECK-LABEL: @powf_exp_const_not_int_no_fast( |
| ; CHECK-NEXT: [[RES:%.*]] = tail call double @llvm.pow.f64(double [[BASE:%.*]], double 3.750000e+01) |
| ; CHECK-NEXT: ret double [[RES]] |
| ; |
| %res = tail call double @llvm.pow.f64(double %base, double 3.750000e+01) |
| ret double %res |
| } |
| |
| declare float @llvm.pow.f32(float, float) |
| declare double @llvm.pow.f64(double, double) |