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Change the return type of UpgradeARCRuntimeCalls to void

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Nothing is using the function return.

llvm-svn: 368367
This commit is contained in:
Akira Hatanaka 2019-08-08 23:33:17 +00:00
parent f4a0c268dc
commit d219fa3461
2 changed files with 6 additions and 10 deletions
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2
include/llvm/IR/AutoUpgrade.h
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@ -60,7 +60,7 @@ namespace llvm {
/// Convert calls to ARC runtime functions to intrinsic calls if the bitcode
/// has the arm64 retainAutoreleasedReturnValue marker.
bool UpgradeARCRuntimeCalls(Module &M);
void UpgradeARCRuntimeCalls(Module &M);
void UpgradeSectionAttributes(Module &M);

14
lib/IR/AutoUpgrade.cpp
View File

@ -3854,28 +3854,26 @@ bool llvm::UpgradeRetainReleaseMarker(Module &M) {
return Changed;
}
bool llvm::UpgradeARCRuntimeCalls(Module &M) {
void llvm::UpgradeARCRuntimeCalls(Module &M) {
auto UpgradeToIntrinsic = [&](const char *OldFunc,
llvm::Intrinsic::ID IntrinsicFunc) {
Function *Fn = M.getFunction(OldFunc);
if (!Fn)
return false;
return;
Function *NewFn = llvm::Intrinsic::getDeclaration(&M, IntrinsicFunc);
Fn->replaceAllUsesWith(NewFn);
Fn->eraseFromParent();
return true;
};
// Unconditionally convert "clang.arc.use" to "llvm.objc.clang.arc.use".
bool Changed =
UpgradeToIntrinsic("clang.arc.use", llvm::Intrinsic::objc_clang_arc_use);
UpgradeToIntrinsic("clang.arc.use", llvm::Intrinsic::objc_clang_arc_use);
// Return if the bitcode doesn't have the arm64 retainAutoreleasedReturnValue
// marker. We don't know for sure that it was compiled with ARC in that case.
if (!M.getModuleFlag("clang.arc.retainAutoreleasedReturnValueMarker"))
return false;
return;
std::pair<const char *, llvm::Intrinsic::ID> RuntimeFuncs[] = {
{"objc_autorelease", llvm::Intrinsic::objc_autorelease},
@ -3917,9 +3915,7 @@ bool llvm::UpgradeARCRuntimeCalls(Module &M) {
llvm::Intrinsic::objc_arc_annotation_bottomup_bbend}};
for (auto &I : RuntimeFuncs)
Changed |= UpgradeToIntrinsic(I.first, I.second);
return Changed;
UpgradeToIntrinsic(I.first, I.second);
}
bool llvm::UpgradeModuleFlags(Module &M) {