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Tim Northover 31d093c705 ISelDAG: spot chain cycles involving MachineNodes 
Previously, the DAGISel function WalkChainUsers was spotting that it
had entered already-selected territory by whether a node was a
MachineNode (amongst other things). Since it's fairly common practice
to insert MachineNodes during ISelLowering, this was not the correct
check.

Looking around, it seems that other nodes get their NodeId set to -1
upon selection, so this makes sure the same thing happens to all
MachineNodes and uses that characteristic to determine whether we
should stop looking for a loop during selection.

This should fix PR15840.

llvm-svn: 191165
 		2013-09-22 08:21:56 +00:00
..
Analysis X86 horizontal vector reduction cost model 2013-09-19 17:48:48 +00:00
Assembler Remove verifier check that attribute 'builtin' is only applied to calls to 2013-09-07 00:25:48 +00:00
Bindings/Ocaml [PR11606] ocaml bindings tests produce binaries in source dir 2013-08-23 00:55:32 +00:00
Bitcode Patch provide by Tom Roeder! 2013-09-12 22:02:31 +00:00
BugPoint [tests] Cleanup initialization of test suffixes. 2013-08-16 00:37:11 +00:00
CodeGen ISelDAG: spot chain cycles involving MachineNodes 2013-09-22 08:21:56 +00:00
DebugInfo Initialize BSSSection explicitly in InitMachOMCObjectFileInfo() to appease msvc. 2013-09-21 02:34:45 +00:00
ExecutionEngine Fix some more MCJIT PIC test XFAILs (for i386) 2013-09-20 22:12:03 +00:00
Feature Implement function prefix data as an IR feature. 2013-09-16 01:08:15 +00:00
FileCheck [tests] Cleanup initialization of test suffixes. 2013-08-16 00:37:11 +00:00
Instrumentation [msan] Wrap indirect functions. 2013-09-19 15:22:35 +00:00
Integer [tests] Cleanup initialization of test suffixes. 2013-08-16 00:37:11 +00:00
JitListener Debug Info Testing: updated to use NULL instead of "i32 0" in a few fields. 2013-09-06 21:03:58 +00:00
Linker Implement function prefix data as an IR feature. 2013-09-16 01:08:15 +00:00
MC X86: Use R_X86_64_TPOFF64 for FK_Data_8 2013-09-22 05:30:16 +00:00
Object Add a minimal implementation of ranlib. 2013-08-28 16:22:16 +00:00
Other Update to remove the no-frame-pointer-elim-non-leaf flag if it was set to 'false'. 2013-08-22 21:28:54 +00:00
TableGen FileCheckize some tests. 2013-08-22 20:46:05 +00:00
Transforms SROA: Handle casts involving vectors of pointers and integer scalars. 2013-09-21 20:36:04 +00:00
Unit [tests] Update to use lit_config and lit package, as appropriate. 2013-08-09 16:22:05 +00:00
Verifier [tests] Cleanup initialization of test suffixes. 2013-08-16 00:37:11 +00:00
YAMLParser
…
tools test/tools/lto/lit.local.cfg: Suppress llvm-lto test on Cygwin and Win32, for now. 2013-09-20 12:57:25 +00:00
CMakeLists.txt Fix LTO handling of module-level assembly (PR14152). 2013-09-19 22:15:52 +00:00
Makefile Fix LTO handling of module-level assembly (PR14152). 2013-09-19 22:15:52 +00:00
Makefile.tests Remove dead code from the makefile build system. 2013-07-25 20:25:31 +00:00
TestRunner.sh
…
lit.cfg Fix some more MCJIT PIC test XFAILs (for i386) 2013-09-20 22:12:03 +00:00
lit.site.cfg.in Fix LTO handling of module-level assembly (PR14152). 2013-09-19 22:15:52 +00:00