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Simon Dardis 70dbd5fbd0 Infer lowest bits of an integer Multiply when the low bits of the operands are known 
When the lowest bits of the operands to an integer multiply are known, the low bits of the result are deducible.
Code to deduce known-zero bottom bits already existed, but this change improves on that by deducing known-ones.

Patch by: Pedro Ferreira

Reviewers: craig.topper, sanjoy, efriedma

Differential Revision: https://reviews.llvm.org/D34029

llvm-svn: 320269
 		2017-12-09 23:25:57 +00:00
..
ADT [Support] Add unit test for printLowerCase 2017-11-28 16:11:56 +00:00
Analysis Infer lowest bits of an integer Multiply when the low bits of the operands are known 2017-12-09 23:25:57 +00:00
AsmParser Remove every uses of getGlobalContext() in LLVM (but the C API) 2016-04-14 21:59:01 +00:00
BinaryFormat [BinaryFormat] Fix out of bounds read. 2017-08-31 12:50:42 +00:00
Bitcode Re-sort #include lines for unittests. This uses a slightly modified 2017-06-06 11:06:56 +00:00
CodeGen [CodeGen] Move printing MO_Immediate operands to MachineOperand::print 2017-12-08 22:53:21 +00:00
DebugInfo [DebugInfo] Fix register variables not showing up in pdb. 2017-12-07 22:51:16 +00:00
ExecutionEngine [ORC] Mark SymbolStringPool methods as inline to avoid linkage errors, add a 2017-12-07 23:32:11 +00:00
FuzzMutate [FuzzMutate] Correctly insert sinks and sources around invoke instructions 2017-12-08 08:53:16 +00:00
IR Generalize llvm::replaceDbgDeclare and actually support the use-case that 2017-12-08 21:58:18 +00:00
LineEditor
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Linker Fix build for LLVM unittests 2017-09-15 21:12:13 +00:00
MC Move Object format code to lib/BinaryFormat. 2017-06-07 03:48:56 +00:00
MI Fix a bunch more layering of CodeGen headers that are in Target 2017-11-17 01:07:10 +00:00
Object Fix unittest for buildbot with mips host (32bit big endian) from r295174 2017-02-15 16:03:22 +00:00
ObjectYAML
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Option [GSoC] Flag value completion for clang 2017-06-20 16:31:31 +00:00
ProfileData [Coverage] Scan ahead for the most-recent completed count (PR35495) 2017-12-07 00:01:15 +00:00
Support [AArch64] Add Exynos to host detection 2017-12-08 21:09:59 +00:00
Target Reapply "[GlobalISel] Remove the GISelAccessor API." 2017-08-15 22:31:51 +00:00
Transforms Generalize llvm::replaceDbgDeclare and actually support the use-case that 2017-12-08 21:58:18 +00:00
XRay [XRay][graph] Disambiguate name of type from member name 2017-02-10 06:59:25 +00:00
tools [CMake] Use PRIVATE in target_link_libraries for executables 2017-12-05 21:49:56 +00:00
CMakeLists.txt Reland 'Classify llvm-cfi-verify.' 2017-10-11 20:35:01 +00:00