1; REQUIRES: x86 2 3; Basic ThinLTO tests. 4; RUN: rm -rf %t && mkdir %t && cd %t 5; RUN: mkdir d e 6; RUN: opt -module-summary %s -o a.o 7; RUN: opt -module-summary %p/Inputs/thinlto.ll -o d/b.o 8 9; First force single-threaded mode 10; RUN: rm -f out.lto.a.o d/out.lto.b.o 11; RUN: ld.lld -save-temps --thinlto-jobs=1 -shared a.o d/b.o -o e/out 12; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 13; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 14 15; Next force multi-threaded mode 16; RUN: rm -f out.lto.a.o d/out.lto.b.o 17; RUN: ld.lld -save-temps --thinlto-jobs=2 -shared a.o d/b.o -o e/out 18; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 19; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 20 21;; --plugin-opt=jobs= is an alias. 22; RUN: rm -f out.lto.a.o d/out.lto.b.o 23; RUN: ld.lld -save-temps --plugin-opt=jobs=2 -shared a.o d/b.o -o e/out 24; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 25; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 26 27;; --thinlto-jobs= defaults to --threads=. 28; RUN: rm -f out.lto.a.o d/out.lto.b.o 29; RUN: ld.lld -save-temps --threads=2 -shared a.o d/b.o -o e/out 30; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 31; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 32 33;; --thinlto-jobs= overrides --threads=. 34; RUN: rm -f out.lto.a.o d/out.lto.b.o 35; RUN: ld.lld -save-temps --threads=1 --plugin-opt=jobs=2 -shared a.o d/b.o -o e/out 36; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 37; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 38 39; Test with all threads, on all cores, on all CPU sockets 40; RUN: rm -f out.lto.a.o d/out.lto.b.o 41; RUN: ld.lld -save-temps --thinlto-jobs=all -shared a.o d/b.o -o e/out 42; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 43; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 44 45; Test with many more threads than the system has 46; RUN: rm -f out.lto.a.o d/out.lto.b.o 47; RUN: ld.lld -save-temps --thinlto-jobs=100 -shared a.o d/b.o -o e/out 48; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 49; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 50 51; Test with a bad value 52; RUN: rm -f out.lto.a.o d/out.lto.b.o 53; 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 54; BAD-JOBS: error: --thinlto-jobs: invalid job count: foo 55 56; Then check without --thinlto-jobs (which currently defaults to heavyweight_hardware_concurrency, meanning one thread per hardware core -- not SMT) 57; RUN: ld.lld -shared -save-temps a.o d/b.o -o e/out 58; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1 59; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2 60 61; Check that -save-temps is usable with thin archives 62; RUN: mkdir dir 63; RUN: cp d/b.o dir/t.o 64; RUN: llvm-ar rcsT dir/t.a dir/t.o 65; RUN: ld.lld -save-temps a.o dir/t.a -o %t.null 66; RUN: ls dir/t.a*.0.preopt.bc 67 68; NM1: T f 69; NM2: T g 70 71target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 72target triple = "x86_64-unknown-linux-gnu" 73 74declare void @g(...) 75 76define void @f() { 77entry: 78 call void (...) @g() 79 ret void 80} 81