commit 7319cff8a828041ced37435e9cc4269d3f3e3ba2
author Florian Mayer <fmayer@google.com> Mon Oct 14 14:51:00 2024 -0700
committer Florian Mayer <fmayer@google.com> Mon Oct 14 21:54:38 2024 +0000
tree 25204d56dcd375bc12f72acc9047fb5a3e73fc23
parent 8017cca9eaabc14ffda4c8fcfc04b5ef7c047ace

Respect THINLTO_USE_MLGO for ML inliner

Test: m statsd with toolchain that doesn't support MLGO

Change-Id: Ibbe2de7ac41a17288d666111a49de34d437d7ead

cc/compiler.go

diff --git a/cc/compiler.go b/cc/compiler.go
index 022b712..7bba962 100644
--- a/cc/compiler.go
+++ b/cc/compiler.go
@@ -695,7 +695,9 @@
 
 	if ctx.optimizeForSize() {
 		flags.Local.CFlags = append(flags.Local.CFlags, "-Oz")
-		flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,-mllvm,-enable-ml-inliner=release")
+		if !ctx.Config().IsEnvFalse("THINLTO_USE_MLGO") {
+			flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,-mllvm,-enable-ml-inliner=release")
+		}
 	}
 
 	// Exclude directories from manual binder interface allowed list.