| ; REQUIRES: x86 |
| |
| ; Basic ThinLTO tests. |
| ; RUN: rm -rf %t && mkdir %t && cd %t |
| ; RUN: mkdir d e |
| ; RUN: opt -module-summary %s -o a.o |
| ; RUN: opt -module-summary %p/Inputs/thinlto.ll -o d/b.o |
| |
| ; First force single-threaded mode |
| ; RUN: rm -f out.lto.a.o d/out.lto.b.o |
| ; RUN: ld.lld -save-temps --thinlto-jobs=1 -shared a.o d/b.o -o e/out |
| ; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 |
| ; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 |
| |
| ; Next force multi-threaded mode |
| ; RUN: rm -f out.lto.a.o d/out.lto.b.o |
| ; RUN: ld.lld -save-temps --thinlto-jobs=2 -shared a.o d/b.o -o e/out |
| ; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 |
| ; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 |
| |
| ;; --plugin-opt=jobs= is an alias. |
| ; RUN: rm -f out.lto.a.o d/out.lto.b.o |
| ; RUN: ld.lld -save-temps --plugin-opt=jobs=2 -shared a.o d/b.o -o e/out |
| ; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 |
| ; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 |
| |
| ;; --thinlto-jobs= defaults to --threads=. |
| ; RUN: rm -f out.lto.a.o d/out.lto.b.o |
| ; RUN: ld.lld -save-temps --threads=2 -shared a.o d/b.o -o e/out |
| ; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 |
| ; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 |
| |
| ;; --thinlto-jobs= overrides --threads=. |
| ; RUN: rm -f out.lto.a.o d/out.lto.b.o |
| ; RUN: ld.lld -save-temps --threads=1 --plugin-opt=jobs=2 -shared a.o d/b.o -o e/out |
| ; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 |
| ; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 |
| |
| ; Test with all threads, on all cores, on all CPU sockets |
| ; RUN: rm -f out.lto.a.o d/out.lto.b.o |
| ; RUN: ld.lld -save-temps --thinlto-jobs=all -shared a.o d/b.o -o e/out |
| ; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 |
| ; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 |
| |
| ; Test with many more threads than the system has |
| ; RUN: rm -f out.lto.a.o d/out.lto.b.o |
| ; RUN: ld.lld -save-temps --thinlto-jobs=100 -shared a.o d/b.o -o e/out |
| ; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 |
| ; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 |
| |
| ; Test with a bad value |
| ; RUN: rm -f out.lto.a.o d/out.lto.b.o |
| ; RUN: not ld.lld -save-temps --thinlto-jobs=foo -shared a.o d/b.o -o e/out 2>&1 | FileCheck %s --check-prefix=BAD-JOBS |
| ; BAD-JOBS: error: --thinlto-jobs: invalid job count: foo |
| |
| ; Then check without --thinlto-jobs (which currently defaults to heavyweight_hardware_concurrency, meanning one thread per hardware core -- not SMT) |
| ; RUN: ld.lld -shared -save-temps a.o d/b.o -o e/out |
| ; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 |
| ; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 |
| |
| ; Check that -save-temps is usable with thin archives |
| ; RUN: mkdir dir |
| ; RUN: cp d/b.o dir/t.o |
| ; RUN: llvm-ar rcsT dir/t.a dir/t.o |
| ; RUN: ld.lld -save-temps a.o dir/t.a -o %t.null |
| ; RUN: ls dir/t.a*.0.preopt.bc |
| |
| ; NM1: T f |
| ; NM2: T g |
| |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| declare void @g(...) |
| |
| define void @f() { |
| entry: |
| call void (...) @g() |
| ret void |
| } |