| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -instcombine -S < %s | FileCheck %s |
| |
| declare double @llvm.pow.f64(double, double) |
| declare float @llvm.pow.f32(float, float) |
| |
| ; pow(x, 4.0f) |
| define float @test_simplify_4f(float %x) { |
| ; CHECK-LABEL: @test_simplify_4f( |
| ; CHECK-NEXT: [[TMP1:%.*]] = fmul fast float [[X:%.*]], [[X]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = fmul fast float [[TMP1]], [[TMP1]] |
| ; CHECK-NEXT: ret float [[TMP2]] |
| ; |
| %1 = call fast float @llvm.pow.f32(float %x, float 4.000000e+00) |
| ret float %1 |
| } |
| |
| ; pow(x, 3.0) |
| define double @test_simplify_3(double %x) { |
| ; CHECK-LABEL: @test_simplify_3( |
| ; CHECK-NEXT: [[TMP1:%.*]] = fmul fast double [[X:%.*]], [[X]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = fmul fast double [[TMP1]], [[X]] |
| ; CHECK-NEXT: ret double [[TMP2]] |
| ; |
| %1 = call fast double @llvm.pow.f64(double %x, double 3.000000e+00) |
| ret double %1 |
| } |
| |
| ; pow(x, 4.0) |
| define double @test_simplify_4(double %x) { |
| ; CHECK-LABEL: @test_simplify_4( |
| ; CHECK-NEXT: [[TMP1:%.*]] = fmul fast double [[X:%.*]], [[X]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = fmul fast double [[TMP1]], [[TMP1]] |
| ; CHECK-NEXT: ret double [[TMP2]] |
| ; |
| %1 = call fast double @llvm.pow.f64(double %x, double 4.000000e+00) |
| ret double %1 |
| } |
| |
| ; pow(x, 15.0) |
| define double @test_simplify_15(double %x) { |
| ; CHECK-LABEL: @test_simplify_15( |
| ; CHECK-NEXT: [[TMP1:%.*]] = fmul fast double [[X:%.*]], [[X]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = fmul fast double [[TMP1]], [[X]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = fmul fast double [[TMP2]], [[TMP2]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = fmul fast double [[TMP3]], [[TMP3]] |
| ; CHECK-NEXT: [[TMP5:%.*]] = fmul fast double [[TMP2]], [[TMP4]] |
| ; CHECK-NEXT: ret double [[TMP5]] |
| ; |
| %1 = call fast double @llvm.pow.f64(double %x, double 1.500000e+01) |
| ret double %1 |
| } |
| |
| ; pow(x, -7.0) |
| define double @test_simplify_neg_7(double %x) { |
| ; CHECK-LABEL: @test_simplify_neg_7( |
| ; CHECK-NEXT: [[TMP1:%.*]] = fmul fast double [[X:%.*]], [[X]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = fmul fast double [[TMP1]], [[TMP1]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = fmul fast double [[TMP2]], [[X]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = fmul fast double [[TMP1]], [[TMP3]] |
| ; CHECK-NEXT: [[TMP5:%.*]] = fdiv fast double 1.000000e+00, [[TMP4]] |
| ; CHECK-NEXT: ret double [[TMP5]] |
| ; |
| %1 = call fast double @llvm.pow.f64(double %x, double -7.000000e+00) |
| ret double %1 |
| } |
| |
| ; pow(x, -19.0) |
| define double @test_simplify_neg_19(double %x) { |
| ; CHECK-LABEL: @test_simplify_neg_19( |
| ; CHECK-NEXT: [[TMP1:%.*]] = fmul fast double [[X:%.*]], [[X]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = fmul fast double [[TMP1]], [[TMP1]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = fmul fast double [[TMP2]], [[TMP2]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = fmul fast double [[TMP3]], [[TMP3]] |
| ; CHECK-NEXT: [[TMP5:%.*]] = fmul fast double [[TMP1]], [[TMP4]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = fmul fast double [[TMP5]], [[X]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = fdiv fast double 1.000000e+00, [[TMP6]] |
| ; CHECK-NEXT: ret double [[TMP7]] |
| ; |
| %1 = call fast double @llvm.pow.f64(double %x, double -1.900000e+01) |
| ret double %1 |
| } |
| |
| ; pow(x, 11.23) |
| define double @test_simplify_11_23(double %x) { |
| ; CHECK-LABEL: @test_simplify_11_23( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call fast double @llvm.pow.f64(double [[X:%.*]], double 1.123000e+01) |
| ; CHECK-NEXT: ret double [[TMP1]] |
| ; |
| %1 = call fast double @llvm.pow.f64(double %x, double 1.123000e+01) |
| ret double %1 |
| } |
| |
| ; pow(x, 32.0) |
| define double @test_simplify_32(double %x) { |
| ; CHECK-LABEL: @test_simplify_32( |
| ; CHECK-NEXT: [[TMP1:%.*]] = fmul fast double [[X:%.*]], [[X]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = fmul fast double [[TMP1]], [[TMP1]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = fmul fast double [[TMP2]], [[TMP2]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = fmul fast double [[TMP3]], [[TMP3]] |
| ; CHECK-NEXT: [[TMP5:%.*]] = fmul fast double [[TMP4]], [[TMP4]] |
| ; CHECK-NEXT: ret double [[TMP5]] |
| ; |
| %1 = call fast double @llvm.pow.f64(double %x, double 3.200000e+01) |
| ret double %1 |
| } |
| |
| ; pow(x, 33.0) |
| define double @test_simplify_33(double %x) { |
| ; CHECK-LABEL: @test_simplify_33( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call fast double @llvm.pow.f64(double [[X:%.*]], double 3.300000e+01) |
| ; CHECK-NEXT: ret double [[TMP1]] |
| ; |
| %1 = call fast double @llvm.pow.f64(double %x, double 3.300000e+01) |
| ret double %1 |
| } |
| |