1RUN: lld-link %S/Inputs/precomp-a.obj %S/Inputs/precomp-b.obj %S/Inputs/precomp.obj /nodefaultlib /entry:main /debug /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
3
4RUN: 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
5RUN: llvm-pdbutil dump -types %t.pdb | FileCheck %s
6
7RUN: lld-link %S/Inputs/precomp-a.obj %S/Inputs/precomp-invalid.obj %S/Inputs/precomp.obj /nodefaultlib /entry:main /debug /pdb:%t.pdb /out:%t.exe /opt:ref /opt:icf 2>&1 | FileCheck %s -check-prefix FAILURE
8RUN: 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 | FileCheck %s -check-prefix FAILURE
9
10FIXME: The following RUN line should fail, regardless of whether debug info is
11enabled or not. Normally this would result in an error due to missing _PchSym_
12references, but SymbolTable.cpp suppresses such errors. MSVC seems to have a
13special case for those symbols and it emits the LNK2011 error.
14
15RUN: 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
16
17FAILURE: warning: Cannot use debug info for '{{.*}}precomp-invalid.obj' [LNK4099]
18FAILURE-NEXT: failed to load reference '{{.*}}precomp.obj': No matching precompiled header could be located.
19
20FAILURE-MISSING-PRECOMPOBJ: warning: Cannot use debug info for '{{.*}}precomp-a.obj' [LNK4099]
21FAILURE-MISSING-PRECOMPOBJ-NEXT: failed to load reference '{{.*}}precomp.obj': No matching precompiled header could be located.
22
23Check that a PCH object file with a missing S_OBJNAME record results in an
24error. Edit out this record from the yaml-ified object:
25  - Kind:            S_OBJNAME
26    ObjNameSym:
27      Signature:       545589255
28      ObjectName:      'F:\svn\lld\test\COFF\precomp\precomp.obj'
29
30RUN: obj2yaml %S/Inputs/precomp.obj | grep -v 'SectionData: *04000000' > %t.precomp.yaml
31RUN: sed '/S_OBJNAME/,/ObjectName:/d' < %t.precomp.yaml > precomp-no-objname.yaml
32RUN: sed 's/Signature: *545589255/Signature: 0/' < %t.precomp.yaml > precomp-zero-sig.yaml
33RUN: yaml2obj precomp-no-objname.yaml -o %t.precomp-no-objname.obj
34RUN: yaml2obj precomp-zero-sig.yaml -o %t.precomp-zero-sig.obj
35
36RUN: env LLD_IN_TEST=1 not lld-link %t.precomp-no-objname.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-NO-SIGNATURE
37
38RUN: env LLD_IN_TEST=1 not lld-link %t.precomp-zero-sig.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-NO-SIGNATURE
39
40FAILURE-NO-SIGNATURE: error: {{.*}}.obj claims to be a PCH object, but does not have a valid signature
41
42Check that two PCH objs with duplicate signatures are an error.
43
44RUN: cp %S/Inputs/precomp.obj %t.precomp-dup.obj
45
46RUN: 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
47
48FAILURE-DUP-SIGNATURE: error: a PCH object with the same signature has already been provided ({{.*precomp.obj and .*precomp-dup.obj.*}})
49
50
51CHECK: Types (TPI Stream)
52CHECK-NOT: LF_PRECOMP
53CHECK-NOT: LF_ENDPRECOMP
54
55
56Re-run with ghash. Eventually, perhaps this will be the default.
57
58RUN: lld-link %S/Inputs/precomp-a.obj %S/Inputs/precomp-b.obj %S/Inputs/precomp.obj /nodefaultlib /entry:main /debug /debug:ghash /pdb:%t.pdb /out:%t.exe /opt:ref /opt:icf /summary | FileCheck %s -check-prefix SUMMARY
59RUN: llvm-pdbutil dump -types %t.pdb | FileCheck %s
60
61
62SUMMARY:                                     Summary
63SUMMARY-NEXT: --------------------------------------------------------------------------------
64SUMMARY-NEXT:               3 Input OBJ files (expanded from all cmd-line inputs)
65SUMMARY-NEXT:               0 PDB type server dependencies
66SUMMARY-NEXT:               1 Precomp OBJ dependencies
67SUMMARY-NEXT:            1066 Input type records
68SUMMARY-NEXT:           55968 Input type records bytes
69SUMMARY-NEXT:             874 Merged TPI records
70SUMMARY-NEXT:             170 Merged IPI records
71SUMMARY-NEXT:               5 Output PDB strings
72SUMMARY-NEXT:             167 Global symbol records
73SUMMARY-NEXT:              20 Module symbol records
74SUMMARY-NEXT:               3 Public symbol records
75
76// precomp.h
77#pragma once
78int Function(char A);
79
80// precomp.cpp
81#include "precomp.h"
82
83// a.cpp
84#include "precomp.h"
85int main(void) {
86  Function('a');
87  return 0;
88}
89
90// b.cpp
91#include "precomp.h"
92int Function(char a) {
93  return (int)a;
94}
95
96// cl.exe precomp.cpp /Z7 /Ycprecomp.h /c
97// cl.exe a.cpp b.cpp /Z7 /Yuprecomp.h /c
98