File: pdb-global-constants.test

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (28 lines) | stat: -rw-r--r-- 1,084 bytes parent folder | download | duplicates (25) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj %S/Inputs/pdb-global-constants-a.s -o %t-a.obj -triple x86_64-windows-msvc
# RUN: llvm-mc -filetype=obj %S/Inputs/pdb-global-constants-b.s -o %t-b.obj -triple x86_64-windows-msvc
# RUN: lld-link -entry:main -nodefaultlib %t-a.obj %t-b.obj -out:%t.exe -pdb:%t.pdb -debug
# RUN: llvm-pdbutil dump -globals %t.pdb | FileCheck %s

# Test that lld deduplicates S_CONSTANT records with the same name and value.
#
# Compiled from this C code, using
# clang t.cpp -g -gcodeview -S
#
# %t-a.cpp:
# const int Foo = 41;
# const int Bar = 42;
# int main() { return Foo + Bar; }
#
# %t-b.cpp:
# const int Foo = 42;
# const int Bar = 42;
# int foobar() { return Foo + Bar; }

CHECK:                       Global Symbols
CHECK:           88 | S_CONSTANT [size = 16] `Bar`
CHECK-NEXT:           type = 0x1002 (const int), value = 42
CHECK-NEXT:      72 | S_CONSTANT [size = 16] `Foo`
CHECK-NEXT:           type = 0x1002 (const int), value = 41
CHECK-NEXT:     128 | S_CONSTANT [size = 16] `Foo`
CHECK-NEXT:           type = 0x1002 (const int), value = 42