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llvm-mirror/test/Transforms/DeadArgElim
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Peter Collingbourne 5b721561aa DI: Reverse direction of subprogram -> function edge. 
Previously, subprograms contained a metadata reference to the function they
described. Because most clients need to get or set a subprogram for a given
function rather than the other way around, this created unneeded inefficiency.

For example, many passes needed to call the function llvm::makeSubprogramMap()
to build a mapping from functions to subprograms, and the IR linker needed to
fix up function references in a way that caused quadratic complexity in the IR
linking phase of LTO.

This change reverses the direction of the edge by storing the subprogram as
function-level metadata and removing DISubprogram's function field.

Since this is an IR change, a bitcode upgrade has been provided.

Fixes PR23367. An upgrade script for textual IR for out-of-tree clients is
attached to the PR.

Differential Revision: http://reviews.llvm.org/D14265

llvm-svn: 252219
2015-11-05 22:03:56 +00:00
..
2006-06-27-struct-ret.ll
2007-02-07-FuncRename.ll
2007-10-18-VarargsReturn.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
2007-12-20-ParamAttrs.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
2008-01-16-VarargsParamAttrs.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
2008-06-23-DeadAfterLive.ll
2009-03-17-MRE-Invoke.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
2010-04-30-DbgInfo.ll DI: Require subprogram definitions to be distinct 2015-08-28 20:26:49 +00:00
2013-05-17-VarargsAndBlockAddress.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
aggregates.ll [DeadArgElim] Split the invoke successor edge 2015-09-23 15:41:09 +00:00
basictest.ll
canon.ll
dbginfo.ll DI: Reverse direction of subprogram -> function edge. 2015-11-05 22:03:56 +00:00
dead_vaargs.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
deadexternal.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
deadretval2.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
deadretval.ll
keepalive.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
linkage.ll Fix a bug in Dead Argument Elimination. 2013-10-09 17:21:44 +00:00
multdeadretval.ll
naked_functions.ll DeadArgElim: don't eliminate arguments from naked functions 2015-09-01 18:06:46 +00:00
returned.ll Start using CHECK-LABEL in some tests. 2013-07-12 14:54:12 +00:00
variadic_safety.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00