Diego Novillo 418d0cf1c1 Support using sample profiles with partial debug info. ... Summary: When using a profile, we used to require the use -gmlt so that we could get access to the line locations. This is used to match line numbers in the input profile to the line numbers in the function's IR. But this is actually not necessary. The driver can provide source location tracking without the emission of debug information. In these cases, the annotation 'llvm.dbg.cu' is missing from the IR, but the actual line location annotations are still present. This patch adds a new way of looking for the start of the current function. Instead of looking through the compile units in llvm.dbg.cu, we can walk up the scope for the first instruction in the function with a debug loc. If that describes the function, we use it. Otherwise, we keep looking until we find one. If no such instruction is found, we then give up and produce an error. Reviewers: echristo, dblaikie Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D5887 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220382 91177308-0d34-0410-b5e6-96231b3b80d8		2014-10-22 12:59:00 +00:00
..
Analysis	[InstSimplify] Support constant folding to vector of pointers	2014-10-22 12:18:48 +00:00
AsmParser	Make CallingConv::ID an alias of "unsigned".	2014-09-10 18:00:17 +00:00
Bitcode	IR: Reorder metadata bitcode serialization, NFC	2014-10-21 22:27:47 +00:00
CodeGen	Fix typo	2014-10-22 00:28:59 +00:00
DebugInfo	Constify input argument of RelocVisitor and DWARFContext constructors. NFC.	2014-10-20 20:28:51 +00:00
ExecutionEngine	[MCJIT] Defer application of AArch64 MachO GOT relocations until resolve time.	2014-10-21 23:41:15 +00:00
IR	Revert "Teach the load analysis to allow finding available values which require" (r220277)	2014-10-21 23:49:52 +00:00
IRReader	Pass a && to getLazyBitcodeModule.	2014-09-03 17:31:46 +00:00
LineEditor
Linker	Merge alignment of common GlobalValue.	2014-09-09 17:48:18 +00:00
LTO	LTO: Document the Boolean argument from r218784	2014-10-02 21:11:04 +00:00
MC	Drop support for an old version of ld64 (from darwin 9).	2014-10-21 18:31:09 +00:00
Object	[MCJIT] Temporarily revert r220245 - it broke several bots.	2014-10-21 00:24:02 +00:00
Option	Add an overload of getLastArgNoClaim taking two OptSpecifiers.	2014-09-12 19:42:53 +00:00
ProfileData	Reduce double set lookups. NFC.	2014-10-10 15:32:50 +00:00
Support	PR21202: Memory leak in Windows RWMutexImpl when using SRWLOCK	2014-10-21 00:34:39 +00:00
TableGen	Eliminate some deep std::vector copies. NFC.	2014-10-03 18:33:16 +00:00
Target	[AArch64] Cleanup A57PBQPConstraints	2014-10-22 12:40:20 +00:00
Transforms	Support using sample profiles with partial debug info.	2014-10-22 12:59:00 +00:00
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