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https://github.com/c64scene-ar/llvm-6502.git
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80075c482c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189068 91177308-0d34-0410-b5e6-96231b3b80d8
61 lines
1.8 KiB
LLVM
61 lines
1.8 KiB
LLVM
; RUN: llc < %s -mcpu=core2 | FileCheck %s
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; generated using "clang -S -O2 -ffast-math -emit-llvm sqrt.c" from
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; #include <math.h>
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;
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; double fd(double d){
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; return sqrt(d);
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; }
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;
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; float ff(float f){
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; return sqrtf(f);
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; }
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;
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; long double fld(long double ld){
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; return sqrtl(ld);
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; }
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;
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; Tests conversion of sqrt function calls into sqrt instructions when
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; -ffast-math is in effect.
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; ModuleID = 'sqrt.c'
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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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; Function Attrs: nounwind readnone uwtable
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define double @fd(double %d) #0 {
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entry:
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; CHECK: sqrtsd
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%call = tail call double @__sqrt_finite(double %d) #2
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ret double %call
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}
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; Function Attrs: nounwind readnone
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declare double @__sqrt_finite(double) #1
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; Function Attrs: nounwind readnone uwtable
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define float @ff(float %f) #0 {
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entry:
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; CHECK: sqrtss
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%call = tail call float @__sqrtf_finite(float %f) #2
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ret float %call
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}
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; Function Attrs: nounwind readnone
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declare float @__sqrtf_finite(float) #1
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; Function Attrs: nounwind readnone uwtable
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define x86_fp80 @fld(x86_fp80 %ld) #0 {
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entry:
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; CHECK: fsqrt
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%call = tail call x86_fp80 @__sqrtl_finite(x86_fp80 %ld) #2
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ret x86_fp80 %call
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}
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; Function Attrs: nounwind readnone
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declare x86_fp80 @__sqrtl_finite(x86_fp80) #1
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attributes #0 = { nounwind readnone uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "unsafe-fp-math"="true" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "unsafe-fp-math"="true" "use-soft-float"="false" }
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attributes #2 = { nounwind readnone }
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