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Duncan P. N. Exon Smith ca3b3d5e2c AsmPrinter: Stop creating DebugLocs 
While looking at a heap profile of a clang LTO bootstrap with -g, I
noticed that 2.2% of memory in an `llvm-lto` of clang is from calling
`DebugLoc::get()` in `collectVariableInfo()` (accounting for ~40% of
memory used for `MDLocation`s).

I suspect this was introduced by r226736, whose goal was to prevent
uniquing of `DebugLoc`s (goal achieved, if so).

There's no reason we need a `DebugLoc` here at all -- it was just being
used for (in)convenient API -- so the fix is to pass the scope and
inlined-at directly to `LexicalScopes::findInlinedScope()`.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229459 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-17 00:02:27 +00:00
..
Analysis Revert 229175 2015-02-15 19:07:31 +00:00
AsmParser AsmParser: extractvalue requires at least one index operand 2015-02-16 09:18:13 +00:00
Bitcode Bitcode: Fix major regression: large files w/ debug info 2015-02-16 19:18:01 +00:00
CodeGen AsmPrinter: Stop creating DebugLocs 2015-02-17 00:02:27 +00:00
DebugInfo llvm-pdbdump: Add flags controlling the type of values to dump. 2015-02-15 20:27:53 +00:00
ExecutionEngine [ExecutionEngine] Fix dependence issue by moving RTDyldMemoryManager into 2015-02-15 23:22:43 +00:00
Fuzzer [fuzzer] move default sanitizer options to a separate file 2015-02-06 19:52:07 +00:00
IR [X86] Remove the multiply by 8 that goes into the shift constant for X86ISD::VSHLDQ and X86ISD::VSRLDQ. This simplifies the pattern matching in isel and allows these nodes to become the patterns embedded in the instruction. 2015-02-16 20:52:07 +00:00
IRReader Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
LineEditor Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
Linker [LinkModules] Change the way ModuleLinker merges triples. 2015-02-13 00:40:41 +00:00
LTO [PM] Remove the old 'PassManager.h' header file at the top level of 2015-02-13 10:01:29 +00:00
MC Removing LLVM_DELETED_FUNCTION, as MSVC 2012 was the last reason for requiring the macro. NFC; LLVM edition. 2015-02-15 22:54:22 +00:00
Object Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
Option Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
ProfileData Revert "InstrProf: Add unit tests for the profile reader and writer" 2015-02-16 23:31:07 +00:00
Support We require MSVC 1800 as our minimum, so these checks can safely go away; NFC. 2015-02-16 18:23:00 +00:00
TableGen MSVC 2013 does not ICE on this code in the same fashion that MSVC 2012 did; NFC. 2015-02-16 19:33:36 +00:00
Target [PowerPC] Support non-direct-sub/superclass VSX copies 2015-02-16 23:46:30 +00:00
Transforms InstCombine: fold more cases of (fp_to_u/sint (u/sint_to_fp val)) 2015-02-16 21:47:54 +00:00
CMakeLists.txt Reverting r227452, which adds back the fuzzer library. Now excluding the fuzzer library based on LLVM_USE_SANITIZE_COVERAGE being set or unset. 2015-01-29 16:58:29 +00:00
LLVMBuild.txt
Makefile Move DebugInfo to DebugInfo/DWARF. 2015-01-30 18:07:45 +00:00