| // This test checks if C functions with internal linkage names are mangled |
| // and the module hash suffixes attached including emitting DW_AT_linkage_name. |
| // |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux -debug-info-kind=limited -dwarf-version=4 -emit-llvm -o - %s | FileCheck %s --check-prefix=PLAIN |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux -debug-info-kind=limited -dwarf-version=4 -funique-internal-linkage-names -emit-llvm -o - %s | FileCheck %s --check-prefix=UNIQUE |
| // |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux -debug-info-kind=limited -dwarf-version=5 -emit-llvm -o - %s | FileCheck %s --check-prefix=PLAIN |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux -debug-info-kind=limited -dwarf-version=5 -funique-internal-linkage-names -emit-llvm -o - %s | FileCheck %s --check-prefix=UNIQUE |
| |
| static int glob; |
| // foo should be given a uniquefied name under -funique-internal-linkage-names. |
| static int foo(void) { |
| return glob; |
| } |
| |
| // K&R prototypes should be given uniquefied names under -funique-internal-linkage-names. |
| static int bar(a) int a; |
| { |
| return glob + a; |
| } |
| |
| void baz() { |
| foo(); |
| bar(1); |
| } |
| |
| |
| // PLAIN: @glob = internal global i32 |
| // PLAIN: define internal i32 @foo() |
| // PLAIN: define internal i32 @bar(i32 %a) |
| // PLAIN: distinct !DIGlobalVariable(name: "glob"{{.*}}) |
| // PLAIN: distinct !DISubprogram(name: "foo"{{.*}}) |
| // PLAIN: distinct !DISubprogram(name: "bar"{{.*}}) |
| // PLAIN-NOT: linkageName: |
| // |
| // UNIQUE: @glob = internal global i32 |
| // UNIQUE: define internal i32 @_ZL3foov.[[MODHASH:__uniq.[0-9]+]]() |
| // UNIQUE: define internal i32 @_ZL3bari.[[MODHASH]](i32 %a) |
| // UNIQUE: distinct !DIGlobalVariable(name: "glob"{{.*}}) |
| // UNIQUE: distinct !DISubprogram(name: "foo", linkageName: "_ZL3foov.[[MODHASH]]"{{.*}}) |
| // UNIQUE: distinct !DISubprogram(name: "bar", linkageName: "_ZL3bari.[[MODHASH]]"{{.*}}) |
