derek.holloway
7502bf64a4
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81 lines
3.1 KiB
LLVM
81 lines
3.1 KiB
LLVM
; REQUIRES: x86
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; Basic ThinLTO tests.
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; RUN: rm -rf %t && mkdir %t && cd %t
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; RUN: mkdir d e
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; RUN: opt -module-summary %s -o a.o
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; RUN: opt -module-summary %p/Inputs/thinlto.ll -o d/b.o
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; First force single-threaded mode
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; RUN: rm -f out.lto.a.o d/out.lto.b.o
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; RUN: ld.lld -save-temps --thinlto-jobs=1 -shared a.o d/b.o -o e/out
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; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1
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; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2
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; Next force multi-threaded mode
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; RUN: rm -f out.lto.a.o d/out.lto.b.o
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; RUN: ld.lld -save-temps --thinlto-jobs=2 -shared a.o d/b.o -o e/out
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; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1
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; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2
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;; --plugin-opt=jobs= is an alias.
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; RUN: rm -f out.lto.a.o d/out.lto.b.o
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; RUN: ld.lld -save-temps --plugin-opt=jobs=2 -shared a.o d/b.o -o e/out
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; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1
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; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2
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;; --thinlto-jobs= defaults to --threads=.
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; RUN: rm -f out.lto.a.o d/out.lto.b.o
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; RUN: ld.lld -save-temps --threads=2 -shared a.o d/b.o -o e/out
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; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1
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; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2
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;; --thinlto-jobs= overrides --threads=.
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; RUN: rm -f out.lto.a.o d/out.lto.b.o
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; RUN: ld.lld -save-temps --threads=1 --plugin-opt=jobs=2 -shared a.o d/b.o -o e/out
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; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1
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; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2
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; Test with all threads, on all cores, on all CPU sockets
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; RUN: rm -f out.lto.a.o d/out.lto.b.o
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; RUN: ld.lld -save-temps --thinlto-jobs=all -shared a.o d/b.o -o e/out
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; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1
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; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2
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; Test with many more threads than the system has
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; RUN: rm -f out.lto.a.o d/out.lto.b.o
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; RUN: ld.lld -save-temps --thinlto-jobs=100 -shared a.o d/b.o -o e/out
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; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1
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; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2
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; Test with a bad value
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; RUN: rm -f out.lto.a.o d/out.lto.b.o
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; 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
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; BAD-JOBS: error: --thinlto-jobs: invalid job count: foo
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; Then check without --thinlto-jobs (which currently defaults to heavyweight_hardware_concurrency, meanning one thread per hardware core -- not SMT)
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; RUN: ld.lld -shared -save-temps a.o d/b.o -o e/out
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; RUN: llvm-nm out.lto.a.o | FileCheck %s --check-prefix=NM1
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; RUN: llvm-nm d/out.lto.b.o | FileCheck %s --check-prefix=NM2
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; Check that -save-temps is usable with thin archives
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; RUN: mkdir dir
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; RUN: cp d/b.o dir/t.o
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; RUN: llvm-ar rcsT dir/t.a dir/t.o
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; RUN: ld.lld -save-temps a.o dir/t.a -o %t.null
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; RUN: ls dir/t.a*.0.preopt.bc
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; NM1: T f
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; NM2: T g
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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declare void @g(...)
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define void @f() {
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entry:
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call void (...) @g()
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ret void
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}
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