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| author | Ayke van Laethem <[email protected]> | 2022-05-22 22:59:54 +0200 |
|---|---|---|
| committer | Ron Evans <[email protected]> | 2022-05-23 21:24:14 +0200 |
| commit | 7729a36782ecb1b778384badde69737ff2cdfe05 (patch) | |
| tree | 0bc587ad100301912356fff5d3ca279f3322a8ef /builder | |
| parent | 5404c81ffd23f890a3a4be3ca614b7c5a4b967d1 (diff) | |
| download | tinygo-7729a36782ecb1b778384badde69737ff2cdfe05.tar.gz tinygo-7729a36782ecb1b778384badde69737ff2cdfe05.zip | |
windows: use ThinLTO
Switch Windows builds to use ThinLTO. This gets us closer to using
ThinLTO everywhere.
Diffstat (limited to 'builder')
| -rw-r--r-- | builder/build.go | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/builder/build.go b/builder/build.go index 0917b6c90..77a4e1647 100644 --- a/builder/build.go +++ b/builder/build.go @@ -694,15 +694,23 @@ func Build(pkgName, outpath string, config *compileopts.Config, action func(Buil config.Options.PrintCommands(config.Target.Linker, ldflags...) } if config.UseThinLTO() { - ldflags = append(ldflags, - "-mllvm", "-mcpu="+config.CPU(), - "--lto-O"+strconv.Itoa(optLevel)) - if config.GOOS() == "darwin" { + ldflags = append(ldflags, "-mllvm", "-mcpu="+config.CPU()) + if config.GOOS() == "windows" { + // Options for the MinGW wrapper for the lld COFF linker. + ldflags = append(ldflags, + "-Xlink=/opt:lldlto="+strconv.Itoa(optLevel), + "--thinlto-cache-dir="+filepath.Join(cacheDir, "thinlto")) + } else if config.GOOS() == "darwin" { // Options for the ld64-compatible lld linker. - ldflags = append(ldflags, "-cache_path_lto", filepath.Join(cacheDir, "thinlto")) + ldflags = append(ldflags, + "--lto-O"+strconv.Itoa(optLevel), + "-cache_path_lto", filepath.Join(cacheDir, "thinlto")) } else { // Options for the ELF linker. - ldflags = append(ldflags, "--thinlto-cache-dir="+filepath.Join(cacheDir, "thinlto")) + ldflags = append(ldflags, + "--lto-O"+strconv.Itoa(optLevel), + "--thinlto-cache-dir="+filepath.Join(cacheDir, "thinlto"), + ) } if config.CodeModel() != "default" { ldflags = append(ldflags, |