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 SUMMARY 2RUN: llvm-pdbutil dump -types %t.pdb | FileCheck %s 3RUN: 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 SUMMARY 4RUN: llvm-pdbutil dump -types %t.pdb | FileCheck %s 5 6RUN: 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:icf 7RUN: llvm-pdbutil dump -types %t.pdb | FileCheck %s 8 9RUN: 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>&1 10RUN: 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>&1 11 12FIXME: The following RUN line should fail, regardless of whether debug info is 13enabled or not. Normally this would result in an error due to missing _PchSym_ 14references, but SymbolTable.cpp suppresses such errors. MSVC seems to have a 15special case for those symbols and it emits the LNK2011 error. 16 17RUN: 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-PRECOMPOBJ 18 19FAILURE-MISSING-PRECOMPOBJ: warning: Cannot use debug info for '{{.*}}precomp-a.obj' [LNK4099] 20FAILURE-MISSING-PRECOMPOBJ-NEXT: failed to load reference '{{.*}}precomp.obj': No matching precompiled header could be located. 21 22Check that a PCH object file with an empty S_OBJNAME record works fine. 23Edit out this record from the yaml-ified object: 24 - Kind: S_OBJNAME 25 ObjNameSym: 26 Signature: 545589255 27 ObjectName: 'F:\svn\lld\test\COFF\precomp\precomp.obj' 28 29RUN: obj2yaml %S/Inputs/precomp.obj | grep -v 'SectionData: *04000000' > %t.precomp.yaml 30RUN: sed '/S_OBJNAME/,/ObjectName:/d' < %t.precomp.yaml > precomp-no-objname.yaml 31RUN: sed '16,19s/Signature: *545589255/Signature: 0/' < %t.precomp.yaml > precomp-zero-sig.yaml 32RUN: yaml2obj precomp-no-objname.yaml -o %t.precomp-no-objname.obj 33RUN: yaml2obj precomp-zero-sig.yaml -o %t.precomp-zero-sig.obj 34RUN: 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-empty 35RUN: 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-empty 36RUN: 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-empty 37RUN: 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-empty 38 39WARNING-NOT: warning 40 41Check that a PCH with wrong signature, but with right LF_PRECOMP records count, works. 42 43RUN: sed '16,19s/Signature: *545589255/Signature: 123456789/' < %t.precomp.yaml > precomp-wrong-sig.yaml 44RUN: yaml2obj precomp-wrong-sig.yaml -o %T/precomp.obj 45RUN: env LLD_IN_TEST=1 lld-link %T/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-empty 46RUN: env LLD_IN_TEST=1 lld-link %T/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-empty 47 48Check that two PCH objs with duplicate signatures are an error. 49 50RUN: cp %S/Inputs/precomp.obj %t.precomp-dup.obj 51RUN: 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-SIGNATURE 52FAILURE-DUP-SIGNATURE: error: a PCH object with the same signature has already been provided ({{.*precomp.obj and .*precomp-dup.obj.*}}) 53 54 55CHECK: Types (TPI Stream) 56CHECK-NOT: LF_PRECOMP 57CHECK-NOT: LF_ENDPRECOMP 58 59SUMMARY: Summary 60SUMMARY-NEXT: -------------------------------------------------------------------------------- 61SUMMARY-NEXT: 3 Input OBJ files (expanded from all cmd-line inputs) 62SUMMARY-NEXT: 0 PDB type server dependencies 63SUMMARY-NEXT: 1 Precomp OBJ dependencies 64SUMMARY-NEXT: 1066 Input type records 65SUMMARY-NEXT: 55968 Input type records bytes 66SUMMARY-NEXT: 874 Merged TPI records 67SUMMARY-NEXT: 170 Merged IPI records 68SUMMARY-NEXT: 5 Output PDB strings 69SUMMARY-NEXT: 167 Global symbol records 70SUMMARY-NEXT: 20 Module symbol records 71SUMMARY-NEXT: 3 Public symbol records 72 73// precomp.h 74#pragma once 75int Function(char A); 76 77// precomp.cpp 78#include "precomp.h" 79 80// a.cpp 81#include "precomp.h" 82int main(void) { 83 Function('a'); 84 return 0; 85} 86 87// b.cpp 88#include "precomp.h" 89int Function(char a) { 90 return (int)a; 91} 92 93// cl.exe precomp.cpp /Z7 /Ycprecomp.h /c 94// cl.exe a.cpp b.cpp /Z7 /Yuprecomp.h /c 95