Add support for disabling llvm.lifetime intrinsics in the AlwaysInliner. These
are optimization hints, but at -O0 we're not optimizing. This becomes a problem
when the alwaysinline attribute is abused.
rdar://10921594
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151429 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/InlineAlways.cpp b/lib/Transforms/IPO/InlineAlways.cpp
index b9b78a1..b1fe24d 100644
--- a/lib/Transforms/IPO/InlineAlways.cpp
+++ b/lib/Transforms/IPO/InlineAlways.cpp
@@ -37,7 +37,11 @@
InlineCostAnalyzer CA;
public:
// Use extremely low threshold.
- AlwaysInliner() : Inliner(ID, -2000000000) {
+ AlwaysInliner() : Inliner(ID, -2000000000, true) {
+ initializeAlwaysInlinerPass(*PassRegistry::getPassRegistry());
+ }
+ AlwaysInliner(bool InsertLifetime) : Inliner(ID, -2000000000,
+ InsertLifetime) {
initializeAlwaysInlinerPass(*PassRegistry::getPassRegistry());
}
static char ID; // Pass identification, replacement for typeid
@@ -72,6 +76,10 @@
Pass *llvm::createAlwaysInlinerPass() { return new AlwaysInliner(); }
+Pass *llvm::createAlwaysInlinerPass(bool InsertLifetime) {
+ return new AlwaysInliner(InsertLifetime);
+}
+
// doInitialization - Initializes the vector of functions that have not
// been annotated with the "always inline" attribute.
bool AlwaysInliner::doInitialization(CallGraph &CG) {