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Remove usage of --use-old-text for BOLT

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Jakub Beránek 2023-08-09 09:31:22 +02:00
parent 8838c73e86
commit 6b4ec09cab
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GPG Key ID: 909CD0D26483516B
1 changed files with 6 additions and 1 deletions
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7
src/tools/opt-dist/src/bolt.rs
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@ -65,8 +65,13 @@ pub fn bolt_optimize(path: &Utf8Path, profile: &LlvmBoltProfile) -> anyhow::Resu
.arg("-jump-tables=move") .arg("-jump-tables=move")
// Fold functions with identical code // Fold functions with identical code
.arg("-icf=1") .arg("-icf=1")
// The following flag saves about 50 MiB of libLLVM.so size.
// However, it succeeds very non-deterministically. To avoid frequent artifact size swings,
// it is kept disabled for now.
// FIXME(kobzol): try to re-enable this once BOLT in-place rewriting is merged or after
// we bump LLVM.
// Try to reuse old text segments to reduce binary size // Try to reuse old text segments to reduce binary size
.arg("--use-old-text") // .arg("--use-old-text")
// Update DWARF debug info in the final binary // Update DWARF debug info in the final binary
.arg("-update-debug-sections") .arg("-update-debug-sections")
// Print optimization statistics // Print optimization statistics