File: pdb-global-constants.test

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# 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