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Merge "Provide an environment variable to disable mlgo" into main

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This commit is contained in:
Aditya Kumar
2023-11-15 22:13:18 +00:00
committed by Gerrit Code Review
parent 8d25afd575 76c7385f22
commit a70ebccccf
1 changed files with 6 additions and 4 deletions
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10
cc/lto.go
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@@ -147,10 +147,12 @@ func (lto *lto) flags(ctx BaseModuleContext, flags Flags) Flags {
}
}
// Register allocation MLGO flags for ARM64.
if ctx.Arch().ArchType == android.Arm64 {
ltoCFlags = append(ltoCFlags, "-mllvm -regalloc-enable-advisor=release")
ltoLdFlags = append(ltoLdFlags, "-Wl,-mllvm,-regalloc-enable-advisor=release")
if !ctx.Config().IsEnvFalse("THINLTO_USE_MLGO") {
// Register allocation MLGO flags for ARM64.
if ctx.Arch().ArchType == android.Arm64 {
ltoCFlags = append(ltoCFlags, "-mllvm -regalloc-enable-advisor=release")
ltoLdFlags = append(ltoLdFlags, "-Wl,-mllvm,-regalloc-enable-advisor=release")
}
// Flags for training MLGO model.
if ctx.Config().IsEnvTrue("THINLTO_EMIT_INDEXES_AND_IMPORTS") {
ltoLdFlags = append(ltoLdFlags, "-Wl,--save-temps=import")