; ModuleID = 'test.c' source_filename = "test.c" target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-pc-linux-gnu" ; Function Attrs: norecurse nounwind readnone uwtable define dso_local double @f(double %a) local_unnamed_addr #0 { entry: %tobool = fcmp fast une double %a, 0.000000e+00 %inc = fadd fast double %a, 1.000000e+00 %a.addr.0 = select i1 %tobool, double %inc, double %a ret double %a.addr.0 } attributes #0 = { norecurse nounwind readnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="true" "no-jump-tables"="false" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="true" "use-soft-float"="false" } !llvm.module.flags = !{!0} !llvm.ident = !{!1} !llvm.commandline = !{!2} !0 = !{i32 1, !"wchar_size", i32 4} !1 = !{!"clang version 10.0.0-4ubuntu1 "} !2 = !{!"/usr/lib/llvm-10/bin/clang -O3 test.c -emit-llvm -S -fno-discard-value-names -frecord-command-line -ffast-math"}