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1087b8fb2a
This is similar to the bug/fix: https://llvm.org/bugs/show_bug.cgi?id=26211 http://reviews.llvm.org/rL258325 The fmin() test case reveals another bug caused by sloppy code duplication. It will crash without this patch because fp128 is a valid floating-point type, but we would think that we had matched a function that used doubles. The new helper function can be used to replace similar checks that are used in several other places in this file. llvm-svn: 258428
414 lines
12 KiB
LLVM
414 lines
12 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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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"
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target triple = "x86_64-unknown-linux-gnu"
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; Check for and against shrinkage when using the
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; unsafe-fp-math function attribute on a math lib
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; function. This optimization may be overridden by
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; the -enable-double-float-shrink option.
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; PR17850: http://llvm.org/bugs/show_bug.cgi?id=17850
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define float @acos_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @acos(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: acos_test1
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; CHECK: call fast float @acosf(float %f)
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}
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define double @acos_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @acos(double %conv)
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ret double %call
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; CHECK-LABEL: acos_test2
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; CHECK: call fast double @acos(double %conv)
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}
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define float @acosh_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @acosh(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: acosh_test1
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; CHECK: call fast float @acoshf(float %f)
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}
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define double @acosh_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @acosh(double %conv)
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ret double %call
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; CHECK-LABEL: acosh_test2
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; CHECK: call fast double @acosh(double %conv)
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}
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define float @asin_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @asin(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: asin_test1
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; CHECK: call fast float @asinf(float %f)
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}
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define double @asin_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @asin(double %conv)
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ret double %call
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; CHECK-LABEL: asin_test2
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; CHECK: call fast double @asin(double %conv)
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}
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define float @asinh_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @asinh(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: asinh_test1
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; CHECK: call fast float @asinhf(float %f)
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}
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define double @asinh_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @asinh(double %conv)
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ret double %call
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; CHECK-LABEL: asinh_test2
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; CHECK: call fast double @asinh(double %conv)
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}
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define float @atan_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @atan(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: atan_test1
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; CHECK: call fast float @atanf(float %f)
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}
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define double @atan_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @atan(double %conv)
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ret double %call
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; CHECK-LABEL: atan_test2
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; CHECK: call fast double @atan(double %conv)
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}
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define float @atanh_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @atanh(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: atanh_test1
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; CHECK: call fast float @atanhf(float %f)
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}
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define double @atanh_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @atanh(double %conv)
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ret double %call
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; CHECK-LABEL: atanh_test2
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; CHECK: call fast double @atanh(double %conv)
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}
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define float @cbrt_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @cbrt(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: cbrt_test1
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; CHECK: call fast float @cbrtf(float %f)
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}
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define double @cbrt_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @cbrt(double %conv)
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ret double %call
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; CHECK-LABEL: cbrt_test2
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; CHECK: call fast double @cbrt(double %conv)
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}
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define float @exp_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @exp(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: exp_test1
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; CHECK: call fast float @expf(float %f)
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}
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define double @exp_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @exp(double %conv)
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ret double %call
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; CHECK-LABEL: exp_test2
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; CHECK: call fast double @exp(double %conv)
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}
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define float @expm1_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @expm1(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: expm1_test1
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; CHECK: call fast float @expm1f(float %f)
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}
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define double @expm1_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @expm1(double %conv)
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ret double %call
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; CHECK-LABEL: expm1_test2
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; CHECK: call fast double @expm1(double %conv)
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}
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; exp10f() doesn't exist for this triple, so it doesn't shrink.
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define float @exp10_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @exp10(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: exp10_test1
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; CHECK: call fast double @exp10(double %conv)
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}
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define double @exp10_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @exp10(double %conv)
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ret double %call
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; CHECK-LABEL: exp10_test2
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; CHECK: call fast double @exp10(double %conv)
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}
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define float @log_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @log(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: log_test1
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; CHECK: call fast float @logf(float %f)
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}
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define double @log_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @log(double %conv)
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ret double %call
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; CHECK-LABEL: log_test2
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; CHECK: call fast double @log(double %conv)
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}
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define float @log10_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @log10(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: log10_test1
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; CHECK: call fast float @log10f(float %f)
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}
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define double @log10_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @log10(double %conv)
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ret double %call
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; CHECK-LABEL: log10_test2
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; CHECK: call fast double @log10(double %conv)
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}
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define float @log1p_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @log1p(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: log1p_test1
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; CHECK: call fast float @log1pf(float %f)
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}
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define double @log1p_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @log1p(double %conv)
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ret double %call
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; CHECK-LABEL: log1p_test2
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; CHECK: call fast double @log1p(double %conv)
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}
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define float @log2_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @log2(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: log2_test1
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; CHECK: call fast float @log2f(float %f)
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}
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define double @log2_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @log2(double %conv)
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ret double %call
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; CHECK-LABEL: log2_test2
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; CHECK: call fast double @log2(double %conv)
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}
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define float @logb_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @logb(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: logb_test1
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; CHECK: call fast float @logbf(float %f)
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}
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define double @logb_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @logb(double %conv)
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ret double %call
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; CHECK-LABEL: logb_test2
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; CHECK: call fast double @logb(double %conv)
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}
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define float @sin_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @sin(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: sin_test1
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; CHECK: call fast float @sinf(float %f)
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}
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define double @sin_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @sin(double %conv)
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ret double %call
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; CHECK-LABEL: sin_test2
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; CHECK: call fast double @sin(double %conv)
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}
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define float @sqrt_test1(float %f) {
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%conv = fpext float %f to double
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%call = call double @sqrt(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: sqrt_test1
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; CHECK: call float @sqrtf(float %f)
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}
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define double @sqrt_test2(float %f) {
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%conv = fpext float %f to double
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%call = call double @sqrt(double %conv)
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ret double %call
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; CHECK-LABEL: sqrt_test2
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; CHECK: call double @sqrt(double %conv)
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}
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define float @sqrt_int_test1(float %f) {
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%conv = fpext float %f to double
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%call = call double @llvm.sqrt.f64(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: sqrt_int_test1
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; CHECK: call float @llvm.sqrt.f32(float %f)
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}
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define double @sqrt_int_test2(float %f) {
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%conv = fpext float %f to double
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%call = call double @llvm.sqrt.f64(double %conv)
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ret double %call
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; CHECK-LABEL: sqrt_int_test2
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; CHECK: call double @llvm.sqrt.f64(double %conv)
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}
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define float @tan_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @tan(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: tan_test1
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; CHECK: call fast float @tanf(float %f)
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}
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define double @tan_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @tan(double %conv)
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ret double %call
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; CHECK-LABEL: tan_test2
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; CHECK: call fast double @tan(double %conv)
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}
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define float @tanh_test1(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @tanh(double %conv)
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%conv1 = fptrunc double %call to float
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ret float %conv1
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; CHECK-LABEL: tanh_test1
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; CHECK: call fast float @tanhf(float %f)
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}
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define double @tanh_test2(float %f) {
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%conv = fpext float %f to double
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%call = call fast double @tanh(double %conv)
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ret double %call
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; CHECK-LABEL: tanh_test2
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; CHECK: call fast double @tanh(double %conv)
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}
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; 'arcp' on an fmax() is meaningless. This test just proves that
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; flags are propagated for shrunken *binary* double FP calls.
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define float @max1(float %a, float %b) {
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%c = fpext float %a to double
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%d = fpext float %b to double
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%e = call arcp double @fmax(double %c, double %d)
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%f = fptrunc double %e to float
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ret float %f
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; CHECK-LABEL: max1(
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; CHECK-NEXT: call arcp float @fmaxf(float %a, float %b)
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; CHECK-NEXT: ret
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}
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; A function can have a name that matches a common libcall,
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; but with the wrong type(s). Let it be.
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define float @fake_fmin(float %a, float %b) {
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%c = fpext float %a to fp128
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%d = fpext float %b to fp128
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%e = call fp128 @fmin(fp128 %c, fp128 %d)
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%f = fptrunc fp128 %e to float
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ret float %f
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; CHECK-LABEL: fake_fmin(
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; CHECK-NEXT: %c = fpext float %a to fp128
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; CHECK-NEXT: %d = fpext float %b to fp128
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; CHECK-NEXT: %e = call fp128 @fmin(fp128 %c, fp128 %d)
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; CHECK-NEXT: %f = fptrunc fp128 %e to float
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; CHECK-NEXT: ret float %f
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}
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declare fp128 @fmin(fp128, fp128) ; This is not the 'fmin' you're looking for.
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declare double @fmax(double, double)
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declare double @tanh(double)
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declare double @tan(double)
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; sqrt is a special case: the shrinking optimization
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; is valid even without unsafe-fp-math.
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declare double @sqrt(double)
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declare double @llvm.sqrt.f64(double)
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declare double @sin(double)
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declare double @log2(double)
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declare double @log1p(double)
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declare double @log10(double)
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declare double @log(double)
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declare double @logb(double)
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declare double @exp10(double)
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declare double @expm1(double)
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declare double @exp(double)
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declare double @cbrt(double)
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declare double @atanh(double)
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declare double @atan(double)
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declare double @acos(double)
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declare double @acosh(double)
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declare double @asin(double)
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declare double @asinh(double)
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