diff options
21 files changed, 202 insertions, 83 deletions
diff --git a/src/librustc/session/config.rs b/src/librustc/session/config.rs index 6ef64ef3d96..44dc04f0895 100644 --- a/src/librustc/session/config.rs +++ b/src/librustc/session/config.rs @@ -1097,6 +1097,8 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options, "generate a graphical HTML report of time spent in trans and LLVM"), thinlto: bool = (false, parse_bool, [TRACKED], "enable ThinLTO when possible"), + inline_in_all_cgus: Option<bool> = (None, parse_opt_bool, [TRACKED], + "control whether #[inline] functions are in all cgus"), } pub fn default_lib_output() -> CrateType { diff --git a/src/librustc_trans/back/symbol_names.rs b/src/librustc_trans/back/symbol_names.rs index 306071223fc..66a27f1c4a9 100644 --- a/src/librustc_trans/back/symbol_names.rs +++ b/src/librustc_trans/back/symbol_names.rs @@ -98,8 +98,10 @@ //! DefPaths which are much more robust in the face of changes to the code base. use monomorphize::Instance; +use trans_item::{TransItemExt, InstantiationMode}; use rustc::middle::weak_lang_items; +use rustc::middle::trans::TransItem; use rustc::hir::def_id::DefId; use rustc::hir::map as hir_map; use rustc::ty::{self, Ty, TyCtxt, TypeFoldable}; @@ -150,7 +152,10 @@ pub fn provide(providers: &mut Providers) { fn get_symbol_hash<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, // the DefId of the item this name is for - def_id: Option<DefId>, + def_id: DefId, + + // instance this name will be for + instance: Instance<'tcx>, // type of the item, without any generic // parameters substituted; this is @@ -160,7 +165,7 @@ fn get_symbol_hash<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, // values for generic type parameters, // if any. - substs: Option<&'tcx Substs<'tcx>>) + substs: &'tcx Substs<'tcx>) -> u64 { debug!("get_symbol_hash(def_id={:?}, parameters={:?})", def_id, substs); @@ -170,7 +175,7 @@ fn get_symbol_hash<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, // the main symbol name is not necessarily unique; hash in the // compiler's internal def-path, guaranteeing each symbol has a // truly unique path - hasher.hash(def_id.map(|def_id| tcx.def_path_hash(def_id))); + hasher.hash(tcx.def_path_hash(def_id)); // Include the main item-type. Note that, in this case, the // assertions about `needs_subst` may not hold, but this item-type @@ -186,19 +191,36 @@ fn get_symbol_hash<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, } // also include any type parameters (for generic items) - if let Some(substs) = substs { - assert!(!substs.has_erasable_regions()); - assert!(!substs.needs_subst()); - substs.visit_with(&mut hasher); - - // If this is an instance of a generic function, we also hash in - // the ID of the instantiating crate. This avoids symbol conflicts - // in case the same instances is emitted in two crates of the same - // project. - if substs.types().next().is_some() { - hasher.hash(tcx.crate_name.as_str()); - hasher.hash(tcx.sess.local_crate_disambiguator().as_str()); + assert!(!substs.has_erasable_regions()); + assert!(!substs.needs_subst()); + substs.visit_with(&mut hasher); + + let mut avoid_cross_crate_conflicts = false; + + // If this is an instance of a generic function, we also hash in + // the ID of the instantiating crate. This avoids symbol conflicts + // in case the same instances is emitted in two crates of the same + // project. + if substs.types().next().is_some() { + avoid_cross_crate_conflicts = true; + } + + // If we're dealing with an instance of a function that's inlined from + // another crate but we're marking it as globally shared to our + // compliation (aka we're not making an internal copy in each of our + // codegen units) then this symbol may become an exported (but hidden + // visibility) symbol. This means that multiple crates may do the same + // and we want to be sure to avoid any symbol conflicts here. + match TransItem::Fn(instance).instantiation_mode(tcx) { + InstantiationMode::GloballyShared { may_conflict: true } => { + avoid_cross_crate_conflicts = true; } + _ => {} + } + + if avoid_cross_crate_conflicts { + hasher.hash(tcx.crate_name.as_str()); + hasher.hash(tcx.sess.local_crate_disambiguator().as_str()); } }); @@ -309,7 +331,7 @@ fn compute_symbol_name<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, instance: Instance // and should not matter anyhow. let instance_ty = tcx.erase_regions(&instance_ty); - let hash = get_symbol_hash(tcx, Some(def_id), instance_ty, Some(substs)); + let hash = get_symbol_hash(tcx, def_id, instance, instance_ty, substs); SymbolPathBuffer::from_interned(tcx.def_symbol_name(def_id)).finish(hash) } diff --git a/src/librustc_trans/collector.rs b/src/librustc_trans/collector.rs index 73df1b45c59..9d1e36fa581 100644 --- a/src/librustc_trans/collector.rs +++ b/src/librustc_trans/collector.rs @@ -401,9 +401,9 @@ fn collect_items_rec<'a, 'tcx: 'a>(tcx: TyCtxt<'a, 'tcx, 'tcx>, } fn record_accesses<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, - caller: TransItem<'tcx>, - callees: &[TransItem<'tcx>], - inlining_map: &mut InliningMap<'tcx>) { + caller: TransItem<'tcx>, + callees: &[TransItem<'tcx>], + inlining_map: &mut InliningMap<'tcx>) { let is_inlining_candidate = |trans_item: &TransItem<'tcx>| { trans_item.instantiation_mode(tcx) == InstantiationMode::LocalCopy }; diff --git a/src/librustc_trans/partitioning.rs b/src/librustc_trans/partitioning.rs index 82ec1aaa413..e4bfd994868 100644 --- a/src/librustc_trans/partitioning.rs +++ b/src/librustc_trans/partitioning.rs @@ -279,75 +279,74 @@ fn place_root_translation_items<'a, 'tcx, I>(tcx: TyCtxt<'a, 'tcx, 'tcx>, let mut internalization_candidates = FxHashSet(); for trans_item in trans_items { - let is_root = trans_item.instantiation_mode(tcx) == InstantiationMode::GloballyShared; + match trans_item.instantiation_mode(tcx) { + InstantiationMode::GloballyShared { .. } => {} + InstantiationMode::LocalCopy => continue, + } - if is_root { - let characteristic_def_id = characteristic_def_id_of_trans_item(tcx, trans_item); - let is_volatile = is_incremental_build && - trans_item.is_generic_fn(); + let characteristic_def_id = characteristic_def_id_of_trans_item(tcx, trans_item); + let is_volatile = is_incremental_build && + trans_item.is_generic_fn(); - let codegen_unit_name = match characteristic_def_id { - Some(def_id) => compute_codegen_unit_name(tcx, def_id, is_volatile), - None => Symbol::intern(FALLBACK_CODEGEN_UNIT).as_str(), - }; + let codegen_unit_name = match characteristic_def_id { + Some(def_id) => compute_codegen_unit_name(tcx, def_id, is_volatile), + None => Symbol::intern(FALLBACK_CODEGEN_UNIT).as_str(), + }; - let make_codegen_unit = || { - CodegenUnit::new(codegen_unit_name.clone()) - }; + let make_codegen_unit = || { + CodegenUnit::new(codegen_unit_name.clone()) + }; - let codegen_unit = codegen_units.entry(codegen_unit_name.clone()) - .or_insert_with(make_codegen_unit); - - let (linkage, visibility) = match trans_item.explicit_linkage(tcx) { - Some(explicit_linkage) => (explicit_linkage, Visibility::Default), - None => { - match trans_item { - TransItem::Fn(ref instance) => { - let visibility = match instance.def { - InstanceDef::Item(def_id) => { - if def_id.is_local() { - if tcx.is_exported_symbol(def_id) { - Visibility::Default - } else { - internalization_candidates.insert(trans_item); - Visibility::Hidden - } + let codegen_unit = codegen_units.entry(codegen_unit_name.clone()) + .or_insert_with(make_codegen_unit); + + let (linkage, visibility) = match trans_item.explicit_linkage(tcx) { + Some(explicit_linkage) => (explicit_linkage, Visibility::Default), + None => { + match trans_item { + TransItem::Fn(ref instance) => { + let visibility = match instance.def { + InstanceDef::Item(def_id) => { + if def_id.is_local() { + if tcx.is_exported_symbol(def_id) { + Visibility::Default } else { - internalization_candidates.insert(trans_item); Visibility::Hidden } + } else { + Visibility::Hidden } - InstanceDef::FnPtrShim(..) | - InstanceDef::Virtual(..) | - InstanceDef::Intrinsic(..) | - InstanceDef::ClosureOnceShim { .. } | - InstanceDef::DropGlue(..) | - InstanceDef::CloneShim(..) => { - bug!("partitioning: Encountered unexpected - root translation item: {:?}", - trans_item) - } - }; - (Linkage::External, visibility) - } - TransItem::Static(node_id) | - TransItem::GlobalAsm(node_id) => { - let def_id = tcx.hir.local_def_id(node_id); - let visibility = if tcx.is_exported_symbol(def_id) { - Visibility::Default - } else { - internalization_candidates.insert(trans_item); + } + InstanceDef::FnPtrShim(..) | + InstanceDef::Virtual(..) | + InstanceDef::Intrinsic(..) | + InstanceDef::ClosureOnceShim { .. } | + InstanceDef::DropGlue(..) | + InstanceDef::CloneShim(..) => { Visibility::Hidden - }; - (Linkage::External, visibility) - } + } + }; + (Linkage::External, visibility) + } + TransItem::Static(node_id) | + TransItem::GlobalAsm(node_id) => { + let def_id = tcx.hir.local_def_id(node_id); + let visibility = if tcx.is_exported_symbol(def_id) { + Visibility::Default + } else { + Visibility::Hidden + }; + (Linkage::External, visibility) } } - }; - - codegen_unit.items_mut().insert(trans_item, (linkage, visibility)); - roots.insert(trans_item); + } + }; + if visibility == Visibility::Hidden { + internalization_candidates.insert(trans_item); } + + codegen_unit.items_mut().insert(trans_item, (linkage, visibility)); + roots.insert(trans_item); } // always ensure we have at least one CGU; otherwise, if we have a diff --git a/src/librustc_trans/trans_item.rs b/src/librustc_trans/trans_item.rs index 526b61303e1..e40b1617d0a 100644 --- a/src/librustc_trans/trans_item.rs +++ b/src/librustc_trans/trans_item.rs @@ -26,6 +26,7 @@ use monomorphize::Instance; use rustc::hir; use rustc::hir::def_id::DefId; use rustc::middle::trans::{Linkage, Visibility}; +use rustc::session::config::OptLevel; use rustc::traits; use rustc::ty::{self, Ty, TyCtxt, TypeFoldable}; use rustc::ty::subst::{Subst, Substs}; @@ -44,7 +45,20 @@ pub use rustc::middle::trans::TransItem; pub enum InstantiationMode { /// There will be exactly one instance of the given TransItem. It will have /// external linkage so that it can be linked to from other codegen units. - GloballyShared, + GloballyShared { + /// In some compilation scenarios we may decide to take functions that + /// are typically `LocalCopy` and instead move them to `GloballyShared` + /// to avoid translating them a bunch of times. In this situation, + /// however, our local copy may conflict with other crates also + /// inlining the same function. + /// + /// This flag indicates that this situation is occuring, and informs + /// symbol name calculation that some extra mangling is needed to + /// avoid conflicts. Note that this may eventually go away entirely if + /// ThinLTO enables us to *always* have a globally shared instance of a + /// function within one crate's compilation. + may_conflict: bool, + }, /// Each codegen unit containing a reference to the given TransItem will /// have its own private copy of the function (with internal linkage). @@ -154,18 +168,31 @@ pub trait TransItemExt<'a, 'tcx>: fmt::Debug { fn instantiation_mode(&self, tcx: TyCtxt<'a, 'tcx, 'tcx>) -> InstantiationMode { + let inline_in_all_cgus = + tcx.sess.opts.debugging_opts.inline_in_all_cgus.unwrap_or_else(|| { + tcx.sess.opts.optimize != OptLevel::No + }); + match *self.as_trans_item() { TransItem::Fn(ref instance) => { if self.explicit_linkage(tcx).is_none() && common::requests_inline(tcx, instance) { - InstantiationMode::LocalCopy + if inline_in_all_cgus { + InstantiationMode::LocalCopy + } else { + InstantiationMode::GloballyShared { may_conflict: true } + } } else { - InstantiationMode::GloballyShared + InstantiationMode::GloballyShared { may_conflict: false } } } - TransItem::Static(..) => InstantiationMode::GloballyShared, - TransItem::GlobalAsm(..) => InstantiationMode::GloballyShared, + TransItem::Static(..) => { + InstantiationMode::GloballyShared { may_conflict: false } + } + TransItem::GlobalAsm(..) => { + InstantiationMode::GloballyShared { may_conflict: false } + } } } diff --git a/src/test/codegen-units/item-collection/drop_in_place_intrinsic.rs b/src/test/codegen-units/item-collection/drop_in_place_intrinsic.rs index bd1325e7501..b8033b88fb7 100644 --- a/src/test/codegen-units/item-collection/drop_in_place_intrinsic.rs +++ b/src/test/codegen-units/item-collection/drop_in_place_intrinsic.rs @@ -10,6 +10,7 @@ // ignore-tidy-linelength // compile-flags:-Zprint-trans-items=eager +// compile-flags:-Zinline-in-all-cgus //~ TRANS_ITEM fn core::ptr[0]::drop_in_place[0]<drop_in_place_intrinsic::StructWithDtor[0]> @@ drop_in_place_intrinsic0[Internal] struct StructWithDtor(u32); diff --git a/src/test/codegen-units/item-collection/generic-drop-glue.rs b/src/test/codegen-units/item-collection/generic-drop-glue.rs index 108a8b570de..65936d12e31 100644 --- a/src/test/codegen-units/item-collection/generic-drop-glue.rs +++ b/src/test/codegen-units/item-collection/generic-drop-glue.rs @@ -10,6 +10,7 @@ // ignore-tidy-linelength // compile-flags:-Zprint-trans-items=eager +// compile-flags:-Zinline-in-all-cgus #![deny(dead_code)] diff --git a/src/test/codegen-units/item-collection/instantiation-through-vtable.rs b/src/test/codegen-units/item-collection/instantiation-through-vtable.rs index 875cacb3907..e32366d15c3 100644 --- a/src/test/codegen-units/item-collection/instantiation-through-vtable.rs +++ b/src/test/codegen-units/item-collection/instantiation-through-vtable.rs @@ -10,6 +10,7 @@ // ignore-tidy-linelength // compile-flags:-Zprint-trans-items=eager +// compile-flags:-Zinline-in-all-cgus #![deny(dead_code)] diff --git a/src/test/codegen-units/item-collection/non-generic-drop-glue.rs b/src/test/codegen-units/item-collection/non-generic-drop-glue.rs index a6081b2c5eb..5765f230e8b 100644 --- a/src/test/codegen-units/item-collection/non-generic-drop-glue.rs +++ b/src/test/codegen-units/item-collection/non-generic-drop-glue.rs @@ -10,6 +10,7 @@ // ignore-tidy-linelength // compile-flags:-Zprint-trans-items=eager +// compile-flags:-Zinline-in-all-cgus #![deny(dead_code)] diff --git a/src/test/codegen-units/item-collection/transitive-drop-glue.rs b/src/test/codegen-units/item-collection/transitive-drop-glue.rs index 8eef5f00f2a..be560690e51 100644 --- a/src/test/codegen-units/item-collection/transitive-drop-glue.rs +++ b/src/test/codegen-units/item-collection/transitive-drop-glue.rs @@ -10,6 +10,7 @@ // ignore-tidy-linelength // compile-flags:-Zprint-trans-items=eager +// compile-flags:-Zinline-in-all-cgus #![deny(dead_code)] diff --git a/src/test/codegen-units/item-collection/tuple-drop-glue.rs b/src/test/codegen-units/item-collection/tuple-drop-glue.rs index 7edb1c14525..ad1475a73f7 100644 --- a/src/test/codegen-units/item-collection/tuple-drop-glue.rs +++ b/src/test/codegen-units/item-collection/tuple-drop-glue.rs @@ -10,6 +10,7 @@ // ignore-tidy-linelength // compile-flags:-Zprint-trans-items=eager +// compile-flags:-Zinline-in-all-cgus #![deny(dead_code)] diff --git a/src/test/codegen-units/item-collection/unsizing.rs b/src/test/codegen-units/item-collection/unsizing.rs index cf0c6643238..d7e457cde8a 100644 --- a/src/test/codegen-units/item-collection/unsizing.rs +++ b/src/test/codegen-units/item-collection/unsizing.rs @@ -10,6 +10,7 @@ // ignore-tidy-linelength // compile-flags:-Zprint-trans-items=eager +// compile-flags:-Zinline-in-all-cgus #![deny(dead_code)] #![feature(coerce_unsized)] diff --git a/src/test/codegen-units/partitioning/extern-drop-glue.rs b/src/test/codegen-units/partitioning/extern-drop-glue.rs index 4e6ae167024..29528644ed0 100644 --- a/src/test/codegen-units/partitioning/extern-drop-glue.rs +++ b/src/test/codegen-units/partitioning/extern-drop-glue.rs @@ -13,6 +13,7 @@ // We specify -Z incremental here because we want to test the partitioning for // incremental compilation // compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp/partitioning-tests/extern-drop-glue +// compile-flags:-Zinline-in-all-cgus #![allow(dead_code)] #![crate_type="lib"] diff --git a/src/test/codegen-units/partitioning/inlining-from-extern-crate.rs b/src/test/codegen-units/partitioning/inlining-from-extern-crate.rs index 20920c9ebe4..4bfd35b59bc 100644 --- a/src/test/codegen-units/partitioning/inlining-from-extern-crate.rs +++ b/src/test/codegen-units/partitioning/inlining-from-extern-crate.rs @@ -12,6 +12,7 @@ // We specify -Z incremental here because we want to test the partitioning for // incremental compilation // compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp/partitioning-tests/inlining-from-extern-crate +// compile-flags:-Zinline-in-all-cgus #![crate_type="lib"] diff --git a/src/test/codegen-units/partitioning/local-drop-glue.rs b/src/test/codegen-units/partitioning/local-drop-glue.rs index d2ce847e108..65e91343ccf 100644 --- a/src/test/codegen-units/partitioning/local-drop-glue.rs +++ b/src/test/codegen-units/partitioning/local-drop-glue.rs @@ -12,6 +12,7 @@ // We specify -Z incremental here because we want to test the partitioning for // incremental compilation // compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp/partitioning-tests/local-drop-glue +// compile-flags:-Zinline-in-all-cgus #![allow(dead_code)] #![crate_type="lib"] diff --git a/src/test/codegen-units/partitioning/local-inlining-but-not-all.rs b/src/test/codegen-units/partitioning/local-inlining-but-not-all.rs new file mode 100644 index 00000000000..ccc8f03a40f --- /dev/null +++ b/src/test/codegen-units/partitioning/local-inlining-but-not-all.rs @@ -0,0 +1,54 @@ +// Copyright 2016 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// ignore-tidy-linelength +// We specify -Z incremental here because we want to test the partitioning for +// incremental compilation +// compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp/partitioning-tests/local-inlining-but-not-all +// compile-flags:-Zinline-in-all-cgus=no + +#![allow(dead_code)] +#![crate_type="lib"] + +mod inline { + + //~ TRANS_ITEM fn local_inlining_but_not_all::inline[0]::inlined_function[0] @@ local_inlining_but_not_all-inline[External] + #[inline(always)] + pub fn inlined_function() + { + + } +} + +mod user1 { + use super::inline; + + //~ TRANS_ITEM fn local_inlining_but_not_all::user1[0]::foo[0] @@ local_inlining_but_not_all-user1[Internal] + fn foo() { + inline::inlined_function(); + } +} + +mod user2 { + use super::inline; + + //~ TRANS_ITEM fn local_inlining_but_not_all::user2[0]::bar[0] @@ local_inlining_but_not_all-user2[Internal] + fn bar() { + inline::inlined_function(); + } +} + +mod non_user { + + //~ TRANS_ITEM fn local_inlining_but_not_all::non_user[0]::baz[0] @@ local_inlining_but_not_all-non_user[Internal] + fn baz() { + + } +} diff --git a/src/test/codegen-units/partitioning/local-inlining.rs b/src/test/codegen-units/partitioning/local-inlining.rs index a4d9e60d228..f3176191241 100644 --- a/src/test/codegen-units/partitioning/local-inlining.rs +++ b/src/test/codegen-units/partitioning/local-inlining.rs @@ -12,6 +12,7 @@ // We specify -Z incremental here because we want to test the partitioning for // incremental compilation // compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp/partitioning-tests/local-inlining +// compile-flags:-Zinline-in-all-cgus #![allow(dead_code)] #![crate_type="lib"] diff --git a/src/test/codegen-units/partitioning/local-transitive-inlining.rs b/src/test/codegen-units/partitioning/local-transitive-inlining.rs index 1beaa186d9e..bda76a8789f 100644 --- a/src/test/codegen-units/partitioning/local-transitive-inlining.rs +++ b/src/test/codegen-units/partitioning/local-transitive-inlining.rs @@ -12,6 +12,7 @@ // We specify -Z incremental here because we want to test the partitioning for // incremental compilation // compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp/partitioning-tests/local-transitive-inlining +// compile-flags:-Zinline-in-all-cgus #![allow(dead_code)] #![crate_type="lib"] diff --git a/src/test/codegen-units/partitioning/vtable-through-const.rs b/src/test/codegen-units/partitioning/vtable-through-const.rs index 74f2f843567..302f9312b57 100644 --- a/src/test/codegen-units/partitioning/vtable-through-const.rs +++ b/src/test/codegen-units/partitioning/vtable-through-const.rs @@ -13,6 +13,7 @@ // We specify -Z incremental here because we want to test the partitioning for // incremental compilation // compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp/partitioning-tests/vtable-through-const +// compile-flags:-Zinline-in-all-cgus // This test case makes sure, that references made through constants are // recorded properly in the InliningMap. diff --git a/src/test/run-make/sepcomp-cci-copies/Makefile b/src/test/run-make/sepcomp-cci-copies/Makefile index 8324a074d6c..ccd4e1b0e71 100644 --- a/src/test/run-make/sepcomp-cci-copies/Makefile +++ b/src/test/run-make/sepcomp-cci-copies/Makefile @@ -5,5 +5,6 @@ all: $(RUSTC) cci_lib.rs - $(RUSTC) foo.rs --emit=llvm-ir -C codegen-units=3 + $(RUSTC) foo.rs --emit=llvm-ir -C codegen-units=3 \ + -Z inline-in-all-cgus [ "$$(cat "$(TMPDIR)"/foo.*.ll | grep -c define\ .*cci_fn)" -eq "2" ] diff --git a/src/test/run-make/sepcomp-inlining/Makefile b/src/test/run-make/sepcomp-inlining/Makefile index 6dc837b8a78..1d20d940000 100644 --- a/src/test/run-make/sepcomp-inlining/Makefile +++ b/src/test/run-make/sepcomp-inlining/Makefile @@ -7,7 +7,8 @@ # in only one compilation unit. all: - $(RUSTC) foo.rs --emit=llvm-ir -C codegen-units=3 + $(RUSTC) foo.rs --emit=llvm-ir -C codegen-units=3 \ + -Z inline-in-all-cgus [ "$$(cat "$(TMPDIR)"/foo.*.ll | grep -c define\ i32\ .*inlined)" -eq "0" ] [ "$$(cat "$(TMPDIR)"/foo.*.ll | grep -c define\ internal\ i32\ .*inlined)" -eq "2" ] [ "$$(cat "$(TMPDIR)"/foo.*.ll | grep -c define\ hidden\ i32\ .*normal)" -eq "1" ] |