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llvm-mirror/lib
Hal Finkel 4acb4516d6 [InstCombine] Simplify the logic from r219067 using ValueTracking
Joerg suggested on IRC that I look at generalizing the logic from r219067 to
handle more general redundancies (like removing an assume(x > 3) dominated by
an assume(x > 5)). The way to do this would be to ask ValueTracking to
determine the value of the i1 argument. It turns out that ValueTracking is not
very good at this right now (although it does get the trivial redundancy case)
because it does not understand ICmps. Nevertheless, the resulting code in
InstCombine is simpler than r219067, so we might as well do it now.

llvm-svn: 219070
2014-10-05 00:53:02 +00:00
..
Analysis Make AAMDNodes ctor and operator bool (!!!) explicit, mop up bugs and weirdness exposed by it. 2014-10-04 22:44:29 +00:00
AsmParser Make CallingConv::ID an alias of "unsigned". 2014-09-10 18:00:17 +00:00
Bitcode Do not destroy external linkage when deleting function body 2014-09-23 12:54:19 +00:00
CodeGen Make AAMDNodes ctor and operator bool (!!!) explicit, mop up bugs and weirdness exposed by it. 2014-10-04 22:44:29 +00:00
DebugInfo Remove unnecessary copying or replace it with moves in a bunch of places. 2014-10-04 16:55:56 +00:00
ExecutionEngine [MCJIT] Don't crash in debugging output for sections that aren't emitted. 2014-10-01 21:57:47 +00:00
IR Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +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 MCParser: Modernize memory handling. 2014-10-03 18:32:55 +00:00
Object llvm-readobj: print out the fields of the COFF delay-import table 2014-10-03 18:07:18 +00:00
Option Add an overload of getLastArgNoClaim taking two OptSpecifiers. 2014-09-12 19:42:53 +00:00
ProfileData Eliminate some deep std::vector copies. NFC. 2014-10-03 18:33:16 +00:00
Support Converting the ErrorHandlerMutex to a ManagedStatic to avoid the static constructor and destructor. 2014-10-03 22:03:12 +00:00
TableGen Eliminate some deep std::vector copies. NFC. 2014-10-03 18:33:16 +00:00
Target [SystemZ] Make operator bool explicit. NFC. 2014-10-04 22:44:35 +00:00
Transforms [InstCombine] Simplify the logic from r219067 using ValueTracking 2014-10-05 00:53:02 +00:00
CMakeLists.txt
LLVMBuild.txt
Makefile