| ; RUN: opt < %s -instcombine -S | FileCheck %s |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Check for and against shrinkage when using the |
| ; unsafe-fp-math function attribute on a math lib |
| ; function. This optimization may be overridden by |
| ; the -enable-double-float-shrink option. |
| ; PR17850: http://llvm.org/bugs/show_bug.cgi?id=17850 |
| |
| define float @acos_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @acos(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: acos_test1 |
| ; CHECK: call fast float @acosf(float %f) |
| } |
| |
| define double @acos_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @acos(double %conv) |
| ret double %call |
| ; CHECK-LABEL: acos_test2 |
| ; CHECK: call fast double @acos(double %conv) |
| } |
| |
| define float @acosh_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @acosh(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: acosh_test1 |
| ; CHECK: call fast float @acoshf(float %f) |
| } |
| |
| define double @acosh_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @acosh(double %conv) |
| ret double %call |
| ; CHECK-LABEL: acosh_test2 |
| ; CHECK: call fast double @acosh(double %conv) |
| } |
| |
| define float @asin_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @asin(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: asin_test1 |
| ; CHECK: call fast float @asinf(float %f) |
| } |
| |
| define double @asin_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @asin(double %conv) |
| ret double %call |
| ; CHECK-LABEL: asin_test2 |
| ; CHECK: call fast double @asin(double %conv) |
| } |
| |
| define float @asinh_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @asinh(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: asinh_test1 |
| ; CHECK: call fast float @asinhf(float %f) |
| } |
| |
| define double @asinh_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @asinh(double %conv) |
| ret double %call |
| ; CHECK-LABEL: asinh_test2 |
| ; CHECK: call fast double @asinh(double %conv) |
| } |
| |
| define float @atan_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @atan(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: atan_test1 |
| ; CHECK: call fast float @atanf(float %f) |
| } |
| |
| define double @atan_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @atan(double %conv) |
| ret double %call |
| ; CHECK-LABEL: atan_test2 |
| ; CHECK: call fast double @atan(double %conv) |
| } |
| |
| define float @atanh_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @atanh(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: atanh_test1 |
| ; CHECK: call fast float @atanhf(float %f) |
| } |
| |
| define double @atanh_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @atanh(double %conv) |
| ret double %call |
| ; CHECK-LABEL: atanh_test2 |
| ; CHECK: call fast double @atanh(double %conv) |
| } |
| |
| define float @cbrt_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @cbrt(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: cbrt_test1 |
| ; CHECK: call fast float @cbrtf(float %f) |
| } |
| |
| define double @cbrt_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @cbrt(double %conv) |
| ret double %call |
| ; CHECK-LABEL: cbrt_test2 |
| ; CHECK: call fast double @cbrt(double %conv) |
| } |
| |
| define float @exp_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @exp(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: exp_test1 |
| ; CHECK: call fast float @expf(float %f) |
| } |
| |
| define double @exp_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @exp(double %conv) |
| ret double %call |
| ; CHECK-LABEL: exp_test2 |
| ; CHECK: call fast double @exp(double %conv) |
| } |
| |
| define float @expm1_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @expm1(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: expm1_test1 |
| ; CHECK: call fast float @expm1f(float %f) |
| } |
| |
| define double @expm1_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @expm1(double %conv) |
| ret double %call |
| ; CHECK-LABEL: expm1_test2 |
| ; CHECK: call fast double @expm1(double %conv) |
| } |
| |
| ; exp10f() doesn't exist for this triple, so it doesn't shrink. |
| |
| define float @exp10_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @exp10(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: exp10_test1 |
| ; CHECK: call fast double @exp10(double %conv) |
| } |
| |
| define double @exp10_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @exp10(double %conv) |
| ret double %call |
| ; CHECK-LABEL: exp10_test2 |
| ; CHECK: call fast double @exp10(double %conv) |
| } |
| |
| define float @log_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @log(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: log_test1 |
| ; CHECK: call fast float @logf(float %f) |
| } |
| |
| define double @log_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @log(double %conv) |
| ret double %call |
| ; CHECK-LABEL: log_test2 |
| ; CHECK: call fast double @log(double %conv) |
| } |
| |
| define float @log10_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @log10(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: log10_test1 |
| ; CHECK: call fast float @log10f(float %f) |
| } |
| |
| define double @log10_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @log10(double %conv) |
| ret double %call |
| ; CHECK-LABEL: log10_test2 |
| ; CHECK: call fast double @log10(double %conv) |
| } |
| |
| define float @log1p_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @log1p(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: log1p_test1 |
| ; CHECK: call fast float @log1pf(float %f) |
| } |
| |
| define double @log1p_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @log1p(double %conv) |
| ret double %call |
| ; CHECK-LABEL: log1p_test2 |
| ; CHECK: call fast double @log1p(double %conv) |
| } |
| |
| define float @log2_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @log2(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: log2_test1 |
| ; CHECK: call fast float @log2f(float %f) |
| } |
| |
| define double @log2_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @log2(double %conv) |
| ret double %call |
| ; CHECK-LABEL: log2_test2 |
| ; CHECK: call fast double @log2(double %conv) |
| } |
| |
| define float @logb_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @logb(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: logb_test1 |
| ; CHECK: call fast float @logbf(float %f) |
| } |
| |
| define double @logb_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @logb(double %conv) |
| ret double %call |
| ; CHECK-LABEL: logb_test2 |
| ; CHECK: call fast double @logb(double %conv) |
| } |
| |
| define float @sin_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @sin(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: sin_test1 |
| ; CHECK: call fast float @sinf(float %f) |
| } |
| |
| define double @sin_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @sin(double %conv) |
| ret double %call |
| ; CHECK-LABEL: sin_test2 |
| ; CHECK: call fast double @sin(double %conv) |
| } |
| |
| define float @sqrt_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call double @sqrt(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: sqrt_test1 |
| ; CHECK: call float @sqrtf(float %f) |
| } |
| |
| define double @sqrt_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call double @sqrt(double %conv) |
| ret double %call |
| ; CHECK-LABEL: sqrt_test2 |
| ; CHECK: call double @sqrt(double %conv) |
| } |
| |
| define float @sqrt_int_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call double @llvm.sqrt.f64(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: sqrt_int_test1 |
| ; CHECK: call float @llvm.sqrt.f32(float %f) |
| } |
| |
| define double @sqrt_int_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call double @llvm.sqrt.f64(double %conv) |
| ret double %call |
| ; CHECK-LABEL: sqrt_int_test2 |
| ; CHECK: call double @llvm.sqrt.f64(double %conv) |
| } |
| |
| define float @tan_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @tan(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: tan_test1 |
| ; CHECK: call fast float @tanf(float %f) |
| } |
| |
| define double @tan_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @tan(double %conv) |
| ret double %call |
| ; CHECK-LABEL: tan_test2 |
| ; CHECK: call fast double @tan(double %conv) |
| } |
| define float @tanh_test1(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @tanh(double %conv) |
| %conv1 = fptrunc double %call to float |
| ret float %conv1 |
| ; CHECK-LABEL: tanh_test1 |
| ; CHECK: call fast float @tanhf(float %f) |
| } |
| |
| define double @tanh_test2(float %f) { |
| %conv = fpext float %f to double |
| %call = call fast double @tanh(double %conv) |
| ret double %call |
| ; CHECK-LABEL: tanh_test2 |
| ; CHECK: call fast double @tanh(double %conv) |
| } |
| |
| ; 'arcp' on an fmax() is meaningless. This test just proves that |
| ; flags are propagated for shrunken *binary* double FP calls. |
| define float @max1(float %a, float %b) { |
| %c = fpext float %a to double |
| %d = fpext float %b to double |
| %e = call arcp double @fmax(double %c, double %d) |
| %f = fptrunc double %e to float |
| ret float %f |
| |
| ; CHECK-LABEL: max1( |
| ; CHECK-NEXT: call arcp float @fmaxf(float %a, float %b) |
| ; CHECK-NEXT: ret |
| } |
| |
| ; A function can have a name that matches a common libcall, |
| ; but with the wrong type(s). Let it be. |
| |
| define float @fake_fmin(float %a, float %b) { |
| %c = fpext float %a to fp128 |
| %d = fpext float %b to fp128 |
| %e = call fp128 @fmin(fp128 %c, fp128 %d) |
| %f = fptrunc fp128 %e to float |
| ret float %f |
| |
| ; CHECK-LABEL: fake_fmin( |
| ; CHECK-NEXT: %c = fpext float %a to fp128 |
| ; CHECK-NEXT: %d = fpext float %b to fp128 |
| ; CHECK-NEXT: %e = call fp128 @fmin(fp128 %c, fp128 %d) |
| ; CHECK-NEXT: %f = fptrunc fp128 %e to float |
| ; CHECK-NEXT: ret float %f |
| } |
| |
| declare fp128 @fmin(fp128, fp128) ; This is not the 'fmin' you're looking for. |
| |
| declare double @fmax(double, double) |
| |
| declare double @tanh(double) |
| declare double @tan(double) |
| |
| ; sqrt is a special case: the shrinking optimization |
| ; is valid even without unsafe-fp-math. |
| declare double @sqrt(double) |
| declare double @llvm.sqrt.f64(double) |
| |
| declare double @sin(double) |
| declare double @log2(double) |
| declare double @log1p(double) |
| declare double @log10(double) |
| declare double @log(double) |
| declare double @logb(double) |
| declare double @exp10(double) |
| declare double @expm1(double) |
| declare double @exp(double) |
| declare double @cbrt(double) |
| declare double @atanh(double) |
| declare double @atan(double) |
| declare double @acos(double) |
| declare double @acosh(double) |
| declare double @asin(double) |
| declare double @asinh(double) |
| |