| ; REQUIRES: x86 |
| ; RUN: rm -rf %t; split-file %s %t |
| |
| ;; First ensure that the ThinLTO handling in lld handles |
| ;; bitcode without summary sections gracefully and generates index file. |
| ; RUN: llvm-as %t/f.ll -o %t/1.o |
| ; RUN: llvm-as %t/g.ll -o %t/2.o |
| ; RUN: %lld --thinlto-index-only -dylib %t/1.o %t/2.o -o %t/3 |
| ; RUN: ls %t/2.o.thinlto.bc |
| ; RUN: not test -e %t/3 |
| ; RUN: %lld -dylib %t/1.o %t/2.o -o %t/3 |
| ; RUN: llvm-nm %t/3 | FileCheck %s --check-prefix=NM |
| |
| ;; Basic ThinLTO tests. |
| ; RUN: opt -module-summary %t/f.ll -o %t/1.o |
| ; RUN: opt -module-summary %t/g.ll -o %t/2.o |
| ; RUN: opt -module-summary %t/empty.ll -o %t/3.o |
| |
| ;; Ensure lld doesn't generates index files when thinlto-index-only is not enabled. |
| ; RUN: rm -f %t/1.o.thinlto.bc %t/2.o.thinlto.bc %t/3.o.thinlto.bc |
| ; RUN: %lld -dylib %t/1.o %t/2.o %t/3.o -o %t/5 |
| ; RUN: not ls %t/1.o.thinlto.bc |
| ; RUN: not ls %t/2.o.thinlto.bc |
| ; RUN: not ls %t/3.o.thinlto.bc |
| |
| ;; Ensure lld generates an index and not a binary if requested. |
| ; RUN: %lld --thinlto-index-only -dylib %t/1.o %t/2.o -o %t/4 |
| ; RUN: llvm-bcanalyzer -dump %t/1.o.thinlto.bc | FileCheck %s -DP1=%t/1.o -DP2=%t/2.o --check-prefix=BACKEND1 |
| ; RUN: llvm-bcanalyzer -dump %t/2.o.thinlto.bc | FileCheck %s -DP2=%t/2.o --check-prefix=BACKEND2 |
| ; RUN: not test -e %t/4 |
| |
| ;; Ensure lld generates an index even if the file is wrapped in --start-lib/--end-lib. |
| ; RUN: rm -f %t/2.o.thinlto.bc %t/4 |
| ; RUN: %lld --thinlto-index-only -dylib %t/1.o %t/3.o --start-lib %t/2.o --end-lib -o %t/4 |
| ; RUN: llvm-dis < %t/2.o.thinlto.bc | grep -q '\^0 = module:' |
| ; RUN: not test -e %t/4 |
| |
| ;; Test that LLD generates an empty index even for lazy object file that is not added to link. |
| ;; Test LLD generates empty imports file either because of thinlto-emit-imports-files option. |
| ; RUN: rm -f %t/1.o.thinlto.bc %t/1.o.imports |
| ; RUN: %lld --thinlto-index-only -dylib %t/2.o --start-lib %t/1.o --end-lib \ |
| ; RUN: --thinlto-emit-imports-files -o %t/3 |
| ; RUN: ls %t/1.o.thinlto.bc |
| ; RUN: ls %t/1.o.imports |
| |
| ;; Ensure LLD generates an empty index for each bitcode file even if all bitcode files are lazy. |
| ; RUN: rm -f %t/dummy.o %t/1.o.thinlto.bc |
| ; RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin /dev/null -o %t/dummy.o |
| ; RUN: %lld --thinlto-index-only -dylib %t/dummy.o --start-lib %t/1.o --end-lib -o /dev/null |
| ; RUN: ls %t/1.o.thinlto.bc |
| |
| ;; Ensure when the same bitcode object is given as both lazy and non-lazy, |
| ;; LLD does not generate an empty index for the lazy object. |
| ; RUN: rm -f %t/2.o.thinlto.bc |
| ; RUN: %lld --thinlto-index-only -dylib %t/1.o %t/2.o --start-lib %t/2.o --end-lib -o /dev/null |
| ; RUN: llvm-dis < %t/2.o.thinlto.bc | grep -q '\^0 = module:' |
| ; RUN: rm -f %t/2.o.thinlto.bc |
| ; RUN: %lld --thinlto-index-only -dylib --start-lib %t/2.o --end-lib %t/2.o %t/1.o -o /dev/null |
| ; RUN: llvm-dis < %t/2.o.thinlto.bc | grep -q '\^0 = module:' |
| |
| ;; Ensure when the same lazy bitcode object is given multiple times, |
| ;; no empty index file is generated if one of the copies is linked. |
| ; RUN: rm -f %t/2.o.thinlto.bc |
| ; RUN: %lld --thinlto-index-only -dylib %t/1.o --start-lib %t/2.o --end-lib --start-lib %t/2.o --end-lib -o /dev/null |
| ; RUN: llvm-dis < %t/2.o.thinlto.bc | grep -q '\^0 = module:' |
| |
| ; NM: T _f |
| |
| ;; The backend index for this module contains summaries from itself and |
| ;; g.ll, as it imports from the latter. |
| ; BACKEND1: <MODULE_STRTAB_BLOCK |
| ; BACKEND1-NEXT: <ENTRY {{.*}} record string = '[[P1]]' |
| ; BACKEND1-NEXT: <ENTRY {{.*}} record string = '[[P2]]' |
| ; BACKEND1-NEXT: </MODULE_STRTAB_BLOCK |
| ; BACKEND1: <GLOBALVAL_SUMMARY_BLOCK |
| ; BACKEND1: <VERSION |
| ; BACKEND1: <FLAGS |
| ; BACKEND1: <VALUE_GUID op0={{1|2}} op1={{-3706093650706652785|-5300342847281564238}} |
| ; BACKEND1: <VALUE_GUID op0={{1|2}} op1={{-3706093650706652785|-5300342847281564238}} |
| ; BACKEND1: <COMBINED |
| ; BACKEND1: <COMBINED |
| ; BACKEND1: </GLOBALVAL_SUMMARY_BLOCK |
| |
| ;; The backend index for g.ll contains summaries from itself only, |
| ;; as it does not import anything. |
| ; BACKEND2: <MODULE_STRTAB_BLOCK |
| ; BACKEND2-NEXT: <ENTRY {{.*}} record string = '[[P2]]' |
| ; BACKEND2-NEXT: </MODULE_STRTAB_BLOCK |
| ; BACKEND2-NEXT: <GLOBALVAL_SUMMARY_BLOCK |
| ; BACKEND2-NEXT: <VERSION |
| ; BACKEND2-NEXT: <FLAGS |
| ; BACKEND2-NEXT: <VALUE_GUID op0=1 op1=-5300342847281564238 |
| ; BACKEND2-NEXT: <COMBINED |
| ; BACKEND2-NEXT: <BLOCK_COUNT op0=2/> |
| ; BACKEND2-NEXT: </GLOBALVAL_SUMMARY_BLOCK |
| |
| ;--- f.ll |
| target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-darwin" |
| |
| declare void @g(...) |
| |
| define void @f() { |
| entry: |
| call void (...) @g() |
| ret void |
| } |
| |
| ;--- g.ll |
| target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-darwin" |
| |
| define void @g() { |
| entry: |
| ret void |
| } |
| |
| ;--- empty.ll |
| target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-darwin" |