Enable LLVM Polly via llvm-args.
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@ -138,6 +138,9 @@ changelog-seen = 2
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# Whether or not to specify `-DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=YES`
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#allow-old-toolchain = false
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# Whether to include the Polly optimizer.
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#polly = false
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# =============================================================================
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# General build configuration options
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# =============================================================================
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@ -99,6 +99,7 @@ pub struct Config {
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pub llvm_version_suffix: Option<String>,
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pub llvm_use_linker: Option<String>,
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pub llvm_allow_old_toolchain: Option<bool>,
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pub llvm_polly: Option<bool>,
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pub llvm_from_ci: bool,
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pub use_lld: bool,
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@ -418,6 +419,7 @@ struct Llvm {
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use_libcxx: Option<bool>,
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use_linker: Option<String>,
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allow_old_toolchain: Option<bool>,
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polly: Option<bool>,
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download_ci_llvm: Option<StringOrBool>,
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}
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@ -762,6 +764,7 @@ impl Config {
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set(&mut config.llvm_use_libcxx, llvm.use_libcxx);
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config.llvm_use_linker = llvm.use_linker.clone();
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config.llvm_allow_old_toolchain = llvm.allow_old_toolchain;
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config.llvm_polly = llvm.polly;
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config.llvm_from_ci = match llvm.download_ci_llvm {
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Some(StringOrBool::String(s)) => {
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assert!(s == "if-available", "unknown option `{}` for download-ci-llvm", s);
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@ -795,6 +798,7 @@ impl Config {
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check_ci_llvm!(llvm.use_libcxx);
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check_ci_llvm!(llvm.use_linker);
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check_ci_llvm!(llvm.allow_old_toolchain);
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check_ci_llvm!(llvm.polly);
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// CI-built LLVM is shared
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config.llvm_link_shared = true;
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@ -257,6 +257,10 @@ impl Step for Llvm {
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enabled_llvm_projects.push("compiler-rt");
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}
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if let Some(true) = builder.config.llvm_polly {
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enabled_llvm_projects.push("polly");
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}
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// We want libxml to be disabled.
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// See https://github.com/rust-lang/rust/pull/50104
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cfg.define("LLVM_ENABLE_LIBXML2", "OFF");
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