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

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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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cc/lto.go
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@@ -147,10 +147,12 @@ func (lto *lto) flags(ctx BaseModuleContext, flags Flags) Flags {
} }
} }
if !ctx.Config().IsEnvFalse("THINLTO_USE_MLGO") {
// Register allocation MLGO flags for ARM64. // Register allocation MLGO flags for ARM64.
if ctx.Arch().ArchType == android.Arm64 { if ctx.Arch().ArchType == android.Arm64 {
ltoCFlags = append(ltoCFlags, "-mllvm -regalloc-enable-advisor=release") ltoCFlags = append(ltoCFlags, "-mllvm -regalloc-enable-advisor=release")
ltoLdFlags = append(ltoLdFlags, "-Wl,-mllvm,-regalloc-enable-advisor=release") ltoLdFlags = append(ltoLdFlags, "-Wl,-mllvm,-regalloc-enable-advisor=release")
}
// Flags for training MLGO model. // Flags for training MLGO model.
if ctx.Config().IsEnvTrue("THINLTO_EMIT_INDEXES_AND_IMPORTS") { if ctx.Config().IsEnvTrue("THINLTO_EMIT_INDEXES_AND_IMPORTS") {
ltoLdFlags = append(ltoLdFlags, "-Wl,--save-temps=import") ltoLdFlags = append(ltoLdFlags, "-Wl,--save-temps=import")