return INSTR_PROF_QUOTE(INSTR_PROF_PROFILE_RUNTIME_VAR);
}
-/// Return the name of the compiler generated function that references the
-/// runtime hook variable. The function is a weak global.
-inline StringRef getInstrProfRuntimeHookVarUseFuncName() {
- return "__llvm_profile_runtime_user";
-}
-
inline StringRef getInstrProfCounterBiasVarName() {
return "__llvm_profile_counter_bias";
}
new GlobalVariable(*M, Int32Ty, false, GlobalValue::ExternalLinkage,
nullptr, getInstrProfRuntimeHookVarName());
- // Make a function that uses it.
- auto *User = Function::Create(FunctionType::get(Int32Ty, false),
- GlobalValue::LinkOnceODRLinkage,
- getInstrProfRuntimeHookVarUseFuncName(), M);
- User->addFnAttr(Attribute::NoInline);
- if (Options.NoRedZone)
- User->addFnAttr(Attribute::NoRedZone);
- User->setVisibility(GlobalValue::HiddenVisibility);
- if (TT.supportsCOMDAT())
- User->setComdat(M->getOrInsertComdat(User->getName()));
-
- IRBuilder<> IRB(BasicBlock::Create(M->getContext(), "", User));
- auto *Load = IRB.CreateLoad(Int32Ty, Var);
- IRB.CreateRet(Load);
-
// Mark the user variable as used so that it isn't stripped out.
- CompilerUsedVars.push_back(User);
+ CompilerUsedVars.push_back(Var);
return true;
}
}
declare void @llvm.instrprof.increment(i8*, i64, i32, i32)
-
-; MACHO: define linkonce_odr hidden i32 @__llvm_profile_runtime_user() {{.*}} {
-; MACHO: %[[REG:.*]] = load i32, i32* @__llvm_profile_runtime
-; MACHO: ret i32 %[[REG]]
-; MACHO: }
-; COFF: define linkonce_odr hidden i32 @__llvm_profile_runtime_user() {{.*}} comdat {
-; ELF-NOT: define linkonce_odr hidden i32 @__llvm_profile_runtime_user() {{.*}} {
-; ELF-NOT: %[[REG:.*]] = load i32, i32* @__llvm_profile_runtime
declare void @llvm.instrprof.increment(i8*, i64, i32, i32)
-; ELF: @llvm.compiler.used = appending global {{.*}} @__llvm_profile_runtime_user {{.*}} @__profd_foo {{.*}} @__profd_bar {{.*}} @__profd_baz
-; MACHO: @llvm.used = appending global {{.*}} @__llvm_profile_runtime_user {{.*}} @__profd_foo {{.*}} @__profd_bar {{.*}} @__profd_baz
-; WIN: @llvm.used = appending global {{.*}} @__llvm_profile_runtime_user {{.*}} @__profd_foo {{.*}} @__profd_bar {{.*}} @__profd_baz
+; ELF: @llvm.compiler.used = appending global {{.*}} @__llvm_profile_runtime {{.*}} @__profd_foo {{.*}} @__profd_bar {{.*}} @__profd_baz
+; MACHO: @llvm.used = appending global {{.*}} @__llvm_profile_runtime {{.*}} @__profd_foo {{.*}} @__profd_bar {{.*}} @__profd_baz
+; WIN: @llvm.used = appending global {{.*}} @__llvm_profile_runtime {{.*}} @__profd_foo {{.*}} @__profd_bar {{.*}} @__profd_baz
; ELF_GENERIC: define internal void @__llvm_profile_register_functions() unnamed_addr {
+; ELF_GENERIC-NEXT: call void @__llvm_profile_register_function(i8* bitcast (i32* @__llvm_profile_runtime to i8*))
; ELF_GENERIC-NEXT: call void @__llvm_profile_register_function(i8* bitcast ({ i64, i64, i64*, i8*, i8*, i32, [2 x i16] }* @__profd_foo to i8*))
; ELF_GENERIC-NEXT: call void @__llvm_profile_register_function(i8* bitcast ({ i64, i64, i64*, i8*, i8*, i32, [2 x i16] }* @__profd_bar to i8*))
; ELF_GENERIC-NEXT: call void @__llvm_profile_register_function(i8* bitcast ({ i64, i64, i64*, i8*, i8*, i32, [2 x i16] }* @__profd_baz to i8*))