Also fix a problem in forward propagation:
const TerminatorInst *TI = It->getTerminator();
was set outside the while loop that iterates over It.
llvm-svn: 342275
Before tagging a function with coldcc make sure the target supports cold calling
convention. Without this patch HotColdSplitting pass fails on aarch64 with:
fatal error: error in backend: Unsupported calling convention.
llvm-svn: 341838
Find cold blocks based on profile information (or optionally with static analysis).
Forward propagate profile information to all cold-blocks.
Outline a cold region.
Set calling conv and prof hint for the callsite of the outlined function.
Worked in collaboration with: Sebastian Pop <s.pop@samsung.com>
Differential Revision: https://reviews.llvm.org/D50658
llvm-svn: 341669
Sebastian Pop