Amy Huang d21fc4d81f Recommit "Add a heap alloc site marker field to the ExtraInfo in MachineInstrs"
Summary:
Fixes some things from original commit at https://reviews.llvm.org/D69136. The main
change is that the heap alloc marker is always stored as ExtraInfo in the machine
instruction instead of in the PointerSumType because it cannot hold more than
4 pointer types.

Add instruction marker to MachineInstr ExtraInfo. This does almost the
same thing as Pre/PostInstrSymbols, except that it doesn't create a label until
printing instructions. This allows for labels to be put around instructions that
are deleted/duplicated somewhere.
Use this marker to track heap alloc site call instructions.

Reviewers: rnk

Subscribers: MatzeB, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D69536
2019-10-28 16:59:32 -07:00
..
2019-10-05 08:57:17 +00:00
2019-10-28 12:57:26 -07:00
2019-10-28 12:57:26 -07:00