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Set dso_local on string literals. 

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@328040 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2018-03-20 20:42:55 +00:00
parent 9901645365
commit 84b0664388
6 changed files with 13 additions and 12 deletions
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1
lib/CodeGen/CodeGenModule.cpp
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@ -4016,6 +4016,7 @@ GenerateStringLiteral(llvm::Constant *C, llvm::GlobalValue::LinkageTypes LT,
assert(CGM.supportsCOMDAT() && "Only COFF uses weak string literals");
GV->setComdat(M.getOrInsertComdat(GV->getName()));
}
CGM.setDSOLocal(GV);
return GV;
}

2
test/CodeGen/c-strings.c
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@ -6,7 +6,7 @@
// CHECK: @align = {{(dso_local )?}}global i8 [[ALIGN:[0-9]+]]
// ITANIUM: @.str = private unnamed_addr constant [6 x i8] c"hello\00"
// MSABI: @"??_C@_05CJBACGMB@hello?$AA@" = linkonce_odr unnamed_addr constant [6 x i8] c"hello\00", comdat, align 1
// MSABI: @"??_C@_05CJBACGMB@hello?$AA@" = linkonce_odr dso_local unnamed_addr constant [6 x i8] c"hello\00", comdat, align 1
// ITANIUM: @f1.x = internal global i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i32 0, i32 0)
// MSABI: @f1.x = internal global i8* getelementptr inbounds ([6 x i8], [6 x i8]* @"??_C@_05CJBACGMB@hello?$AA@", i32 0, i32 0)
// CHECK: @f2.x = internal global [6 x i8] c"hello\00", align [[ALIGN]]

4
test/CodeGen/string-literal-short-wstring.c
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@ -12,12 +12,12 @@ int main() {
char b[10] = "\u1120\u0220\U00102030";
// ITANIUM: private unnamed_addr constant [3 x i16] [i16 65, i16 66, i16 0]
// MSABI: linkonce_odr unnamed_addr constant [3 x i16] [i16 65, i16 66, i16 0]
// MSABI: linkonce_odr dso_local unnamed_addr constant [3 x i16] [i16 65, i16 66, i16 0]
const wchar_t *foo = L"AB";
// This should convert to utf16.
// ITANIUM: private unnamed_addr constant [5 x i16] [i16 4384, i16 544, i16 -9272, i16 -9168, i16 0]
// MSABI: linkonce_odr unnamed_addr constant [5 x i16] [i16 4384, i16 544, i16 -9272, i16 -9168, i16 0]
// MSABI: linkonce_odr dso_local unnamed_addr constant [5 x i16] [i16 4384, i16 544, i16 -9272, i16 -9168, i16 0]
const wchar_t *bar = L"\u1120\u0220\U00102030";

2
test/CodeGen/wchar-const.c
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@ -15,7 +15,7 @@ typedef __WCHAR_TYPE__ wchar_t;
// CHECK-DAR: private unnamed_addr constant [18 x i32] [i32 84,
// CHECK-WIN: linkonce_odr unnamed_addr constant [18 x i16] [i16 84,
// CHECK-WIN: linkonce_odr dso_local unnamed_addr constant [18 x i16] [i16 84,
extern void foo(const wchar_t* p);
int main (int argc, const char * argv[])
{

14
test/CodeGenCXX/funcsig.cpp
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@ -12,24 +12,24 @@ int printf(const char *, ...);
void funcNoProto() {
printf("__FUNCSIG__ %s\n\n", __FUNCSIG__);
}
// CHECK-C: @"??_C@_0BL@IHLLLCAO@void?5__cdecl?5funcNoProto?$CI?$CJ?$AA@" = linkonce_odr unnamed_addr constant [27 x i8] c"void __cdecl funcNoProto()\00"
// CHECK-CXX: @"??_C@_0BP@PJOECCJN@void?5__cdecl?5funcNoProto?$CIvoid?$CJ?$AA@" = linkonce_odr unnamed_addr constant [31 x i8] c"void __cdecl funcNoProto(void)\00"
// CHECK-C: @"??_C@_0BL@IHLLLCAO@void?5__cdecl?5funcNoProto?$CI?$CJ?$AA@" = linkonce_odr dso_local unnamed_addr constant [27 x i8] c"void __cdecl funcNoProto()\00"
// CHECK-CXX: @"??_C@_0BP@PJOECCJN@void?5__cdecl?5funcNoProto?$CIvoid?$CJ?$AA@" = linkonce_odr dso_local unnamed_addr constant [31 x i8] c"void __cdecl funcNoProto(void)\00"
void funcNoParams(void) {
printf("__FUNCSIG__ %s\n\n", __FUNCSIG__);
}
// CHECK: @"??_C@_0CA@GBIDFNBN@void?5__cdecl?5funcNoParams?$CIvoid?$CJ?$AA@" = linkonce_odr unnamed_addr constant [32 x i8] c"void __cdecl funcNoParams(void)\00"
// CHECK: @"??_C@_0CA@GBIDFNBN@void?5__cdecl?5funcNoParams?$CIvoid?$CJ?$AA@" = linkonce_odr dso_local unnamed_addr constant [32 x i8] c"void __cdecl funcNoParams(void)\00"
void freeFunc(int *p, char c) {
printf("__FUNCSIG__ %s\n\n", __FUNCSIG__);
}
// CHECK: @"??_C@_0CD@KLGMNNL@void?5__cdecl?5freeFunc?$CIint?5?$CK?0?5cha@" = linkonce_odr unnamed_addr constant [{{.*}} x i8] c"void __cdecl freeFunc(int *, char)\00"
// CHECK: @"??_C@_0CD@KLGMNNL@void?5__cdecl?5freeFunc?$CIint?5?$CK?0?5cha@" = linkonce_odr dso_local unnamed_addr constant [{{.*}} x i8] c"void __cdecl freeFunc(int *, char)\00"
#ifdef __cplusplus
void funcVarargs(...) {
printf("__FUNCSIG__ %s\n\n", __FUNCSIG__);
}
// CHECK-CXX: @"??_C@_0BO@BOBPLEKP@void?5__cdecl?5funcVarargs?$CI?4?4?4?$CJ?$AA@" = linkonce_odr unnamed_addr constant [30 x i8] c"void __cdecl funcVarargs(...)\00"
// CHECK-CXX: @"??_C@_0BO@BOBPLEKP@void?5__cdecl?5funcVarargs?$CI?4?4?4?$CJ?$AA@" = linkonce_odr dso_local unnamed_addr constant [30 x i8] c"void __cdecl funcVarargs(...)\00"
struct TopLevelClass {
void topLevelMethod(int *, char);
@ -37,7 +37,7 @@ struct TopLevelClass {
void TopLevelClass::topLevelMethod(int *, char) {
printf("__FUNCSIG__ %s\n\n", __FUNCSIG__);
}
// CHECK-CXX: @"??_C@_0DL@OBHNMDP@void?5__thiscall?5TopLevelClass?3?3t@" = linkonce_odr unnamed_addr constant [{{.*}} x i8] c"void __thiscall TopLevelClass::topLevelMethod(int *, char)\00"
// CHECK-CXX: @"??_C@_0DL@OBHNMDP@void?5__thiscall?5TopLevelClass?3?3t@" = linkonce_odr dso_local unnamed_addr constant [{{.*}} x i8] c"void __thiscall TopLevelClass::topLevelMethod(int *, char)\00"
namespace NS {
struct NamespacedClass {
@ -46,6 +46,6 @@ struct NamespacedClass {
void NamespacedClass::namespacedMethod(int *, char) {
printf("__FUNCSIG__ %s\n\n", __FUNCSIG__);
}
// CHECK-CXX: @"??_C@_0ED@PFDKIEBA@void?5__thiscall?5NS?3?3NamespacedCl@" = linkonce_odr unnamed_addr constant [{{.*}} x i8] c"void __thiscall NS::NamespacedClass::namespacedMethod(int *, char)\00"
// CHECK-CXX: @"??_C@_0ED@PFDKIEBA@void?5__thiscall?5NS?3?3NamespacedCl@" = linkonce_odr dso_local unnamed_addr constant [{{.*}} x i8] c"void __thiscall NS::NamespacedClass::namespacedMethod(int *, char)\00"
}
#endif

2
test/CodeGenCXX/ms_wide_predefined_expr.cpp
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@ -1,6 +1,6 @@
// RUN: %clang_cc1 %s -fms-extensions -triple i686-pc-win32 -emit-llvm -o - | FileCheck %s
// CHECK: @"??_C@_19DPFBEKIN@?$AAf?$AAu?$AAn?$AAc?$AA?$AA@" = linkonce_odr unnamed_addr constant [5 x i16] [i16 102, i16 117, i16 110, i16 99, i16 0], comdat, align 2
// CHECK: @"??_C@_19DPFBEKIN@?$AAf?$AAu?$AAn?$AAc?$AA?$AA@" = linkonce_odr dso_local unnamed_addr constant [5 x i16] [i16 102, i16 117, i16 110, i16 99, i16 0], comdat, align 2
void wprint(const wchar_t*);