| ; REQUIRES: x86 |
| ; RUN: rm -rf %t && split-file %s %t && cd %t |
| ; RUN: mkdir d |
| |
| ;; First ensure that the ThinLTO handling in lld handles |
| ;; bitcode without summary sections gracefully and generates index file. |
| ; RUN: llvm-as 1.ll -o 1.o |
| ; RUN: llvm-as %p/Inputs/thinlto.ll -o d/2.o |
| ; RUN: ld.lld --plugin-opt=thinlto-index-only -shared 1.o d/2.o -o 3 |
| ; RUN: ls d/2.o.thinlto.bc |
| ; RUN: not test -e 3 |
| ; RUN: ld.lld -shared 1.o d/2.o -o 3 |
| ; RUN: llvm-nm 3 | FileCheck %s --check-prefix=NM |
| |
| ;; Basic ThinLTO tests. |
| ; RUN: llvm-as 0.ll -o 0.o |
| ; RUN: opt -module-summary 1.ll -o 1.o |
| ; RUN: opt -module-summary %p/Inputs/thinlto.ll -o d/2.o |
| ; RUN: opt -module-summary %p/Inputs/thinlto_empty.ll -o 3.o |
| ; RUN: cp 3.o 4.o |
| |
| ;; Ensure lld doesn't generates index files when --thinlto-index-only is not enabled. |
| ; RUN: rm -f 1.o.thinlto.bc d/2.o.thinlto.bc |
| ; RUN: ld.lld -shared 1.o d/2.o -o /dev/null |
| ; RUN: not ls 1.o.thinlto.bc |
| ; RUN: not ls d/2.o.thinlto.bc |
| |
| ;; Ensure lld generates an index and not a binary if requested. |
| ; RUN: ld.lld --plugin-opt=thinlto-index-only -shared 1.o --start-lib d/2.o 3.o --end-lib 4.o -o 4 |
| ; RUN: not test -e 4 |
| ; RUN: llvm-bcanalyzer -dump 1.o.thinlto.bc | FileCheck %s --check-prefix=BACKEND1 |
| ; RUN: llvm-bcanalyzer -dump d/2.o.thinlto.bc | FileCheck %s --check-prefix=BACKEND2 |
| ; RUN: llvm-dis < 3.o.thinlto.bc | FileCheck %s --check-prefix=BACKEND3 |
| ; RUN: llvm-dis < 4.o.thinlto.bc | FileCheck %s --check-prefix=BACKEND4 |
| |
| ; RUN: rm -f 1.o.thinlto.bc d/2.o.thinlto.bc 3.o.thinlto.bc 4.o.thinlto.bc |
| ; RUN: ld.lld --plugin-opt=thinlto-index-only=4.txt --plugin-opt=thinlto-emit-imports-files -shared 1.o --start-lib d/2.o 3.o --end-lib 4.o -o 4 |
| ; RUN: not test -e 4 |
| ; RUN: FileCheck %s --check-prefix=RSP --implicit-check-not={{.}} < 4.txt |
| ; RUN: llvm-bcanalyzer -dump 1.o.thinlto.bc | FileCheck %s --check-prefix=BACKEND1 |
| ; RUN: llvm-bcanalyzer -dump d/2.o.thinlto.bc | FileCheck %s --check-prefix=BACKEND2 |
| ; RUN: llvm-dis < 3.o.thinlto.bc | FileCheck %s --check-prefix=BACKEND3 |
| ; RUN: llvm-dis < 4.o.thinlto.bc | FileCheck %s --check-prefix=BACKEND4 |
| ; RUN: FileCheck %s --check-prefix=IMPORTS1 --implicit-check-not={{.}} < 1.o.imports |
| ; RUN: count 0 < d/2.o.imports |
| ;; Test that LLD generates an empty index even for lazy object file that is not added to link. |
| ; RUN: count 0 < 3.o.imports |
| ; RUN: count 0 < 4.o.imports |
| |
| ;; Test the other spelling --thinlto-index-only= --thinlto-emit-imports-files and the interaction with --save-temps. |
| ; RUN: rm -f 4.txt 1.o.thinlto.bc d/2.o.thinlto.bc 3.o.thinlto.bc 4.o.thinlto.bc |
| ; RUN: ld.lld --thinlto-index-only=4.txt --thinlto-emit-imports-files --save-temps -shared 0.o 1.o --start-lib d/2.o 3.o --end-lib 4.o -o t |
| ; RUN: not test -e 4 |
| ; RUN: FileCheck %s --check-prefix=RSP --implicit-check-not={{.}} < 4.txt |
| ; RUN: llvm-bcanalyzer -dump 1.o.thinlto.bc | FileCheck %s --check-prefix=BACKEND1 |
| ; RUN: FileCheck %s --check-prefix=IMPORTS1 --implicit-check-not={{.}} < 1.o.imports |
| ; RUN: FileCheck %s --check-prefix=RESOLUTION < t.resolution.txt |
| ; RUN: llvm-dis < t.index.bc | FileCheck %s --check-prefix=INDEX-BC |
| |
| ; RSP: 1.o |
| ; RSP-NEXT: d/2.o |
| ; RSP-NEXT: 4.o |
| |
| ; IMPORTS1: d/2.o |
| |
| ; RESOLUTION: 0.o |
| ; RESOLUTION-NEXT: -r=0.o,foo,px |
| ; RESOLUTION-NEXT: 1.o |
| |
| ; INDEX-BC: ^0 = module: (path: "1.o", hash: (0, 0, 0, 0, 0)) |
| ; INDEX-BC-NEXT: ^1 = module: (path: "4.o", hash: (0, 0, 0, 0, 0)) |
| ; INDEX-BC-NEXT: ^2 = module: (path: "d/2.o", hash: (0, 0, 0, 0, 0)) |
| |
| ;; Ensure LLD generates an empty index for each bitcode file even if all bitcode files are lazy. |
| ; RUN: rm -f 1.o.thinlto.bc |
| ; RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux-gnu /dev/null -o dummy.o |
| ; RUN: ld.lld --plugin-opt=thinlto-index-only -shared dummy.o --start-lib 1.o --end-lib -o /dev/null |
| ; RUN: ls 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 d/2.o.thinlto.bc |
| ; RUN: ld.lld --plugin-opt=thinlto-index-only -shared 1.o d/2.o --start-lib d/2.o --end-lib -o /dev/null |
| ; RUN: llvm-dis < d/2.o.thinlto.bc | grep -q '\^0 = module:' |
| ; RUN: rm -f d/2.o.thinlto.bc |
| ; RUN: ld.lld --plugin-opt=thinlto-index-only -shared --start-lib d/2.o --end-lib d/2.o 1.o -o /dev/null |
| ; RUN: llvm-dis < d/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 d/2.o.thinlto.bc |
| ; RUN: ld.lld --plugin-opt=thinlto-index-only -shared 1.o --start-lib d/2.o --end-lib --start-lib d/2.o --end-lib -o /dev/null |
| ; RUN: llvm-dis < d/2.o.thinlto.bc | grep -q '\^0 = module:' |
| |
| ; NM: T f |
| |
| ;; The backend index for this module contains summaries from itself and |
| ;; Inputs/thinlto.ll, as it imports from the latter. |
| ; BACKEND1: <MODULE_STRTAB_BLOCK |
| ; BACKEND1-NEXT: <ENTRY {{.*}} record string = '1.o' |
| ; BACKEND1-NEXT: <ENTRY {{.*}} record string = 'd/2.o' |
| ; 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 Input/thinlto.ll contains summaries from itself only, |
| ;; as it does not import anything. |
| ; BACKEND2: <MODULE_STRTAB_BLOCK |
| ; BACKEND2-NEXT: <ENTRY {{.*}} record string = 'd/2.o' |
| ; 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: </GLOBALVAL_SUMMARY_BLOCK |
| |
| ; BACKEND3: ^0 = flags: |
| |
| ; BACKEND4: ^0 = module: (path: "4.o", hash: (0, 0, 0, 0, 0)) |
| |
| ;--- 0.ll |
| 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" |
| |
| define void @foo() { |
| ret void |
| } |
| |
| ;--- 1.ll |
| 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 |
| } |