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llvm-mirror/lib/Transforms
Sanjay Patel 4bf58bc9d2 [InstCombine] canonicalize raw IR rotate patterns to funnel shift
The final piece of IR-level analysis to allow this was committed with:
rL350188

Using the intrinsics should improve transforms based on cost models
like vectorization and inlining.

The backend should be prepared too, so we can now canonicalize more
sequences of shift/logic to the intrinsics and know that the end
result should be equal or better to the original code even if the
target does not have an actual rotate instruction.

llvm-svn: 350199
2019-01-01 21:51:39 +00:00
..
AggressiveInstCombine [AggressiveInstCombine] convert rotate with guard branch into funnel shift (PR34924) 2018-12-17 21:14:51 +00:00
Coroutines Fix compiler warning about unused variable [NFC] 2018-12-12 06:33:45 +00:00
Hello cmake: Remove add_llvm_loadable_module() 2018-12-20 22:04:08 +00:00
InstCombine [InstCombine] canonicalize raw IR rotate patterns to funnel shift 2019-01-01 21:51:39 +00:00
Instrumentation [MSan] Handle llvm.is.constant intrinsic 2018-12-31 09:42:23 +00:00
IPO [IR] Add Instruction::isLifetimeStartOrEnd, NFC 2018-12-21 21:49:40 +00:00
ObjCARC Change the objc ARC optimizer to use the new objc.* intrinsics 2018-12-18 20:32:49 +00:00
Scalar Reapply "[BDCE][DemandedBits] Detect dead uses of undead instructions" 2019-01-01 10:05:26 +00:00
Utils [UnrollRuntime] NFC: Add comment and verify LCSSA 2018-12-28 18:52:16 +00:00
Vectorize [llvm] API for encoding/decoding DWARF discriminators. 2018-12-21 22:48:50 +00:00
CMakeLists.txt
LLVMBuild.txt