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158 lines
6.7 KiB
158 lines
6.7 KiB
4 months ago
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; First ensure that the ThinLTO handling in the gold plugin handles
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; bitcode without summary sections gracefully.
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; RUN: llvm-as %s -o %t.o
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; RUN: llvm-as %p/Inputs/thinlto.ll -o %t2.o
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; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext \
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; RUN: -m elf_x86_64 \
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; RUN: --plugin-opt=thinlto \
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; RUN: --plugin-opt=thinlto-index-only \
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; RUN: -shared %t.o %t2.o -o %t3
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; RUN: not test -e %t3
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; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext \
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; RUN: -m elf_x86_64 \
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; RUN: --plugin-opt=thinlto \
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; RUN: -shared %t.o %t2.o -o %t4
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; RUN: llvm-nm %t4 | FileCheck %s --check-prefix=NM
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; Next generate summary sections and test gold handling.
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; RUN: opt -module-summary %s -o %t.o
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; RUN: opt -module-summary %p/Inputs/thinlto.ll -o %t2.o
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; Ensure gold generates an index and not a binary if requested.
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; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext \
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; RUN: -m elf_x86_64 \
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; RUN: --plugin-opt=thinlto \
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; RUN: --plugin-opt=thinlto-index-only \
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; RUN: -shared %t.o %t2.o -o %t3
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; RUN: llvm-bcanalyzer -dump %t.o.thinlto.bc | FileCheck %s --check-prefix=BACKEND1
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; RUN: llvm-bcanalyzer -dump %t2.o.thinlto.bc | FileCheck %s --check-prefix=BACKEND2
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; RUN: llvm-dis %t.o.thinlto.bc -o - | FileCheck %s --check-prefix=DIS1
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; RUN: llvm-dis %t2.o.thinlto.bc -o - | FileCheck %s --check-prefix=DIS2
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; RUN: not test -e %t3
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; Ensure gold generates an index as well as a binary with save-temps in ThinLTO mode.
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; First force single-threaded mode
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; RUN: rm -f %t4*
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; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext \
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; RUN: -m elf_x86_64 \
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; RUN: --plugin-opt=save-temps \
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; RUN: --plugin-opt=thinlto \
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; RUN: --plugin-opt=jobs=1 \
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; RUN: -shared %t.o %t2.o -o %t4
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; RUN: llvm-bcanalyzer -dump %t4.index.bc | FileCheck %s --check-prefix=COMBINED
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; RUN: llvm-nm %t4 | FileCheck %s --check-prefix=NM
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; Ensure ld does not emit empty combined module in default.
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; RUN: ls %t4.lto.o* | count 2
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; Check with --no-map-whole-files
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; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext \
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; RUN: -m elf_x86_64 \
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; RUN: --plugin-opt=save-temps \
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; RUN: --plugin-opt=thinlto \
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; RUN: --plugin-opt=jobs=1 \
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; RUN: --no-map-whole-files \
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; RUN: -shared %t.o %t2.o -o %t4
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; RUN: llvm-bcanalyzer -dump %t4.index.bc | FileCheck %s --check-prefix=COMBINED
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; RUN: llvm-nm %t4 | FileCheck %s --check-prefix=NM
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; Next force multi-threaded mode
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; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext \
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; RUN: -m elf_x86_64 \
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; RUN: --plugin-opt=save-temps \
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; RUN: --plugin-opt=thinlto \
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; RUN: --plugin-opt=jobs=2 \
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; RUN: -shared %t.o %t2.o -o %t4
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; RUN: llvm-bcanalyzer -dump %t4.index.bc | FileCheck %s --check-prefix=COMBINED
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; RUN: llvm-nm %t4 | FileCheck %s --check-prefix=NM
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; Test --plugin-opt=obj-path to ensure unique object files generated.
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; RUN: rm -f %t5.o %t5.o1
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; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext \
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; RUN: -m elf_x86_64 \
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; RUN: --plugin-opt=thinlto \
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; RUN: --plugin-opt=jobs=2 \
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; RUN: --plugin-opt=obj-path=%t5.o \
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; RUN: -shared %t.o %t2.o -o %t4
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; RUN: llvm-nm %t5.o1 | FileCheck %s --check-prefix=NM2
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; RUN: llvm-nm %t5.o2 | FileCheck %s --check-prefix=NM2
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; Ensure ld emits empty combined module if specific obj-path.
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; RUN: ls %t5.o* | count 3
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; Test to ensure that thinlto-index-only with obj-path creates the file.
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; RUN: rm -f %t5.o %t5.o1
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; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext \
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; RUN: -m elf_x86_64 \
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; RUN: --plugin-opt=thinlto \
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; RUN: --plugin-opt=jobs=2 \
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; RUN: --plugin-opt=thinlto-index-only \
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; RUN: --plugin-opt=obj-path=%t5.o \
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; RUN: -shared %t.o %t2.o -o %t4
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; RUN: llvm-readobj -h %t5.o | FileCheck %s --check-prefix=FORMAT
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; RUN: llvm-nm %t5.o 2>&1 | count 0
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; NM: T f
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; NM2: T {{f|g}}
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; FORMAT: Format: elf64-x86-64
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; The backend index for this module contains summaries from itself and
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; Inputs/thinlto.ll, as it imports from the latter.
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; BACKEND1: <MODULE_STRTAB_BLOCK
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; BACKEND1-NEXT: <ENTRY {{.*}} record string = '{{.*}}/test/tools/gold/X86/Output/thinlto.ll.tmp{{.*}}.o'
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; BACKEND1-NEXT: <ENTRY {{.*}} record string = '{{.*}}/test/tools/gold/X86/Output/thinlto.ll.tmp{{.*}}.o'
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; BACKEND1-NEXT: </MODULE_STRTAB_BLOCK
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; BACKEND1-NEXT: <GLOBALVAL_SUMMARY_BLOCK
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; BACKEND1-NEXT: <VERSION
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; BACKEND1-NEXT: <FLAGS
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; BACKEND1-NEXT: <VALUE_GUID op0={{1|2}} op1={{-3706093650706652785|-5300342847281564238}}
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; BACKEND1-NEXT: <VALUE_GUID op0={{1|2}} op1={{-3706093650706652785|-5300342847281564238}}
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; BACKEND1-NEXT: <COMBINED
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; BACKEND1-NEXT: <COMBINED
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; BACKEND1-NEXT: <BLOCK_COUNT
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; BACKEND1-NEXT: </GLOBALVAL_SUMMARY_BLOCK
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; The backend index for Input/thinlto.ll contains summaries from itself only,
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; as it does not import anything.
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; BACKEND2: <MODULE_STRTAB_BLOCK
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; BACKEND2-NEXT: <ENTRY {{.*}} record string = '{{.*}}/test/tools/gold/X86/Output/thinlto.ll.tmp2.o'
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; BACKEND2-NEXT: </MODULE_STRTAB_BLOCK
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; BACKEND2-NEXT: <GLOBALVAL_SUMMARY_BLOCK
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; BACKEND2-NEXT: <VERSION
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; BACKEND2-NEXT: <FLAGS
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; BACKEND2-NEXT: <VALUE_GUID op0=1 op1=-5300342847281564238
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; BACKEND2-NEXT: <COMBINED
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; BACKEND2-NEXT: <BLOCK_COUNT
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; BACKEND2-NEXT: </GLOBALVAL_SUMMARY_BLOCK
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; DIS1: ^0 = module: (path: "{{.*}}thinlto.ll.tmp.o", hash: (0, 0, 0, 0, 0))
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; DIS1: ^1 = module: (path: "{{.*}}thinlto.ll.tmp2.o", hash: (0, 0, 0, 0, 0))
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; DIS1: ^2 = gv: (guid: 13146401226427987378, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 1, dsoLocal: 0, canAutoHide: 0), insts: 1)))
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; DIS1: ^3 = gv: (guid: 14740650423002898831, summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 1, dsoLocal: 0, canAutoHide: 0), insts: 2, calls: ((callee: ^2)))))
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; DIS2: ^0 = module: (path: "{{.*}}thinlto.ll.tmp2.o", hash: (0, 0, 0, 0, 0))
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; DIS2: ^1 = gv: (guid: 13146401226427987378, summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 1, dsoLocal: 0, canAutoHide: 0), insts: 1)))
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; COMBINED: <MODULE_STRTAB_BLOCK
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; COMBINED-NEXT: <ENTRY {{.*}} record string = '{{.*}}/test/tools/gold/X86/Output/thinlto.ll.tmp{{.*}}.o'
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; COMBINED-NEXT: <ENTRY {{.*}} record string = '{{.*}}/test/tools/gold/X86/Output/thinlto.ll.tmp{{.*}}.o'
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; COMBINED-NEXT: </MODULE_STRTAB_BLOCK
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; COMBINED-NEXT: <GLOBALVAL_SUMMARY_BLOCK
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; COMBINED-NEXT: <VERSION
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; COMBINED-NEXT: <FLAGS
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; COMBINED-NEXT: <VALUE_GUID op0={{1|2}} op1={{-3706093650706652785|-5300342847281564238}}
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; COMBINED-NEXT: <VALUE_GUID op0={{1|2}} op1={{-3706093650706652785|-5300342847281564238}}
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; COMBINED-NEXT: <COMBINED
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; COMBINED-NEXT: <COMBINED
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; COMBINED-NEXT: <BLOCK_COUNT
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; COMBINED-NEXT: </GLOBALVAL_SUMMARY_BLOCK
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target datalayout = "e-m:e-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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