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1RUN: lld-link %S/Inputs/precomp-a.obj %S/Inputs/precomp-b.obj %S/Inputs/precomp.obj /nodefaultlib /entry:main /debug:noghash /pdb:%t.pdb /out:%t.exe /opt:ref /opt:icf /summary | FileCheck %s -check-prefix SUMMARY2RUN: llvm-pdbutil dump -types %t.pdb | FileCheck %s3RUN: lld-link %S/Inputs/precomp-a.obj %S/Inputs/precomp-b.obj %S/Inputs/precomp.obj /nodefaultlib /entry:main /debug:ghash /pdb:%t.pdb /out:%t.exe /opt:ref /opt:icf /summary | FileCheck %s -check-prefix SUMMARY4RUN: llvm-pdbutil dump -types %t.pdb | FileCheck %s5 6RUN: lld-link %S/Inputs/precomp-a.obj %S/Inputs/precomp-b.obj %S/Inputs/precomp.obj /nodefaultlib /entry:main /out:%t.exe /opt:ref /opt:icf /summary | FileCheck %s -check-prefix SUMMARY-NODEBUG7RUN: lld-link %S/Inputs/precomp-a.obj %S/Inputs/precomp-b.obj %S/Inputs/precomp.obj /nodefaultlib /entry:main /out:%t.exe /opt:ref /opt:icf /summary | FileCheck %s -check-prefix SUMMARY-NODEBUG8 9RUN: lld-link %S/Inputs/precomp.obj %S/Inputs/precomp-a.obj %S/Inputs/precomp-b.obj /nodefaultlib /entry:main /debug /pdb:%t.pdb /out:%t.exe /opt:ref /opt:icf10RUN: llvm-pdbutil dump -types %t.pdb | FileCheck %s11 12RUN: lld-link %S/Inputs/precomp-a.obj %S/Inputs/precomp-invalid.obj %S/Inputs/precomp.obj /nodefaultlib /entry:main /debug:noghash /pdb:%t.pdb /out:%t.exe /opt:ref /opt:icf 2>&113RUN: lld-link %S/Inputs/precomp-a.obj %S/Inputs/precomp-invalid.obj %S/Inputs/precomp.obj /nodefaultlib /entry:main /debug:ghash /pdb:%t.pdb /out:%t.exe /opt:ref /opt:icf 2>&114 15FIXME: The following RUN line should fail, regardless of whether debug info is16enabled or not. Normally this would result in an error due to missing _PchSym_17references, but SymbolTable.cpp suppresses such errors. MSVC seems to have a18special case for those symbols and it emits the LNK2011 error.19 20RUN: lld-link %S/Inputs/precomp-a.obj %S/Inputs/precomp-b.obj /nodefaultlib /entry:main /debug /pdb:%t.pdb /out:%t.exe /opt:ref /opt:icf 2>&1 | FileCheck %s -check-prefix FAILURE-MISSING-PRECOMPOBJ21 22FAILURE-MISSING-PRECOMPOBJ: warning: Cannot use debug info for '{{.*}}precomp-a.obj' [LNK4099]23FAILURE-MISSING-PRECOMPOBJ-NEXT: failed to load reference '{{.*}}precomp.obj': No matching precompiled header could be located.24 25Check that a PCH object file with an empty S_OBJNAME record works fine.26Edit out this record from the yaml-ified object:27 - Kind: S_OBJNAME28 ObjNameSym:29 Signature: 54558925530 ObjectName: 'F:\svn\lld\test\COFF\precomp\precomp.obj'31 32RUN: obj2yaml %S/Inputs/precomp.obj | grep -v 'SectionData: *04000000' > %t.precomp.yaml33RUN: sed '/S_OBJNAME/,/ObjectName:/d' < %t.precomp.yaml > precomp-no-objname.yaml34RUN: sed '16,19s/Signature: *545589255/Signature: 0/' < %t.precomp.yaml > precomp-zero-sig.yaml35RUN: yaml2obj precomp-no-objname.yaml -o %t.precomp-no-objname.obj36RUN: yaml2obj precomp-zero-sig.yaml -o %t.precomp-zero-sig.obj37RUN: env LLD_IN_TEST=1 lld-link %t.precomp-no-objname.obj %S/Inputs/precomp-a.obj %S/Inputs/precomp-b.obj /nodefaultlib /entry:main /debug:noghash /pdb:%t.pdb /out:%t.exe 2>&1 | FileCheck %s -check-prefix WARNING --allow-empty38RUN: env LLD_IN_TEST=1 lld-link %t.precomp-no-objname.obj %S/Inputs/precomp-a.obj %S/Inputs/precomp-b.obj /nodefaultlib /entry:main /debug:ghash /pdb:%t.pdb /out:%t.exe 2>&1 | FileCheck %s -check-prefix WARNING --allow-empty39RUN: env LLD_IN_TEST=1 lld-link %t.precomp-zero-sig.obj %S/Inputs/precomp-a.obj %S/Inputs/precomp-b.obj /nodefaultlib /entry:main /debug:noghash /pdb:%t.pdb /out:%t.exe 2>&1 | FileCheck %s -check-prefix WARNING --allow-empty40RUN: env LLD_IN_TEST=1 lld-link %t.precomp-zero-sig.obj %S/Inputs/precomp-a.obj %S/Inputs/precomp-b.obj /nodefaultlib /entry:main /debug:ghash /pdb:%t.pdb /out:%t.exe 2>&1 | FileCheck %s -check-prefix WARNING --allow-empty41 42WARNING-NOT: warning43 44Check that a PCH with wrong signature, but with right LF_PRECOMP records count, works.45 46RUN: mkdir -p %t.dir47RUN: sed '16,19s/Signature: *545589255/Signature: 123456789/' < %t.precomp.yaml > precomp-wrong-sig.yaml48RUN: yaml2obj precomp-wrong-sig.yaml -o %t.dir/precomp.obj49RUN: env LLD_IN_TEST=1 lld-link %t.dir/precomp.obj %S/Inputs/precomp-a.obj %S/Inputs/precomp-b.obj /nodefaultlib /entry:main /debug:noghash /pdb:%t.pdb /out:%t.exe 2>&1 | FileCheck %s -check-prefix WARNING --allow-empty50RUN: env LLD_IN_TEST=1 lld-link %t.dir/precomp.obj %S/Inputs/precomp-a.obj %S/Inputs/precomp-b.obj /nodefaultlib /entry:main /debug:ghash /pdb:%t.pdb /out:%t.exe 2>&1 | FileCheck %s -check-prefix WARNING --allow-empty51 52Check that two PCH objs with duplicate signatures are an error.53 54RUN: cp %S/Inputs/precomp.obj %t.precomp-dup.obj55RUN: env LLD_IN_TEST=1 not lld-link %S/Inputs/precomp.obj %t.precomp-dup.obj %S/Inputs/precomp-a.obj %S/Inputs/precomp-b.obj /nodefaultlib /entry:main /debug /pdb:%t.pdb /out:%t.exe 2>&1 | FileCheck %s -check-prefix FAILURE-DUP-SIGNATURE56FAILURE-DUP-SIGNATURE: error: a PCH object with the same signature has already been provided ({{.*precomp.obj and .*precomp-dup.obj.*}})57 58 59CHECK: Types (TPI Stream)60CHECK-NOT: LF_PRECOMP61CHECK-NOT: LF_ENDPRECOMP62 63SUMMARY: Summary64SUMMARY-NEXT: --------------------------------------------------------------------------------65SUMMARY-NEXT: 3 Input OBJ files (expanded from all cmd-line inputs)66SUMMARY-NEXT: Size of all consumed OBJ files (non-lazy), in bytes67SUMMARY-NEXT: 0 PDB type server dependencies68SUMMARY-NEXT: 1 Precomp OBJ dependencies69SUMMARY-NEXT: 1,066 Input debug type records70SUMMARY-NEXT: 55,968 Size of all input debug type records, in bytes71SUMMARY-NEXT: 874 Merged TPI records72SUMMARY-NEXT: 170 Merged IPI records73SUMMARY-NEXT: 5 Output PDB strings74SUMMARY-NEXT: 167 Global symbol records75SUMMARY-NEXT: 20 Module symbol records76SUMMARY-NEXT: 3 Public symbol records77 78SUMMARY-NODEBUG: Summary79SUMMARY-NODEBUG-NEXT: --------------------------------------------------------------------------------80SUMMARY-NODEBUG-NEXT: 3 Input OBJ files (expanded from all cmd-line inputs)81SUMMARY-NODEBUG-NEXT: Size of all consumed OBJ files (non-lazy), in bytes82SUMMARY-NODEBUG-NEXT: 0 PDB type server dependencies83SUMMARY-NODEBUG-NEXT: 0 Precomp OBJ dependencies84SUMMARY-NODEBUG-NEXT: 0 Input debug type records85SUMMARY-NODEBUG-NEXT: 0 Size of all input debug type records, in bytes86SUMMARY-NODEBUG-NEXT: 0 Merged TPI records87SUMMARY-NODEBUG-NEXT: 0 Merged IPI records88SUMMARY-NODEBUG-NEXT: 0 Output PDB strings89SUMMARY-NODEBUG-NEXT: 0 Global symbol records90SUMMARY-NODEBUG-NEXT: 0 Module symbol records91SUMMARY-NODEBUG-NEXT: 0 Public symbol records92 93// precomp.h94#pragma once95int Function(char A);96 97// precomp.cpp98#include "precomp.h"99 100// a.cpp101#include "precomp.h"102int main(void) {103 Function('a');104 return 0;105}106 107// b.cpp108#include "precomp.h"109int Function(char a) {110 return (int)a;111}112 113// cl.exe precomp.cpp /Z7 /Ycprecomp.h /c114// cl.exe a.cpp b.cpp /Z7 /Yuprecomp.h /c115