It seems that the run time for Windows has changed and supports more math
functions than it used to, especially on AArch64, ARM, and AMD64.

Fixes PR40541.

Differential revision: https://reviews.llvm.org/D57625

llvm-svn: 353733

This reverts accidental commit ff552771.

llvm-svn: 353118

It seems that the run time for Windows has changed and supports more math
functions than before.  Since LLVM requires at least VS2015, I assume that
this is the run time that would be redistributed with programs built with
Clang.  Thus, I based this update on the header file `math.h` that
accompanies it.

This patch addresses the PR40541.  Unfortunately, I have no access to a
Windows development environment to validate it.

llvm-svn: 353114

Add checks for Win64 to existing cases.

llvm-svn: 352892

llvm-svn: 352886

llvm-svn: 292855

llvm-svn: 292178

Use the intrinsic instead of emitting the libcall which
will be replaced by the intrinsic.

llvm-svn: 292176

Add missing fabs(fpext) optimzation that worked with the call,
and also fixes it creating a second fpext when there were multiple
uses.

llvm-svn: 292172

The existing code missed some edge cases when e.g. we're going to emit sqrtf but
only the availability of sqrt was checked. This happens on odd platforms like
windows.

llvm-svn: 189724

This update was done with the following bash script:

  find test/Transforms -name "*.ll" | \
  while read NAME; do
    echo "$NAME"
    if ! grep -q "^; *RUN: *llc" $NAME; then
      TEMP=`mktemp -t temp`
      cp $NAME $TEMP
      sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
      while read FUNC; do
        sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3@$FUNC(/g" $TEMP
      done
      mv $TEMP $NAME
    fi
  done

llvm-svn: 186268

llvm-svn: 182211

llvm-svn: 154967

also fix SimplifyLibCalls to use TLI rather than compile-time conditionals to enable optimizations on floor, ceil, round, rint, and nearbyint

llvm-svn: 154960