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llvm-mirror/lib/Transforms/InstCombine
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Sanjay Patel 4b27b87f4a [InstCombine] try to convert x86 movmsk intrinsic to generic IR (PR39927) 
call iM movmsk(sext <N x i1> X) --> zext (bitcast <N x i1> X to iN) to iM

This has the potential to create less-than-8-bit scalar types as shown in 
some of the test diffs, but it looks like the backend knows how to deal 
with that in these patterns. This is the simple part of the fix suggested in:
https://bugs.llvm.org/show_bug.cgi?id=39927

Differential Revision: https://reviews.llvm.org/D55529

llvm-svn: 348862
2018-12-11 16:38:03 +00:00
..
CMakeLists.txt
InstCombineAddSub.cpp [InstCombine] name change: foldShuffledBinop -> foldVectorBinop; NFC 2018-10-03 15:20:58 +00:00
InstCombineAndOrXor.cpp [CmpInstAnalysis] fix function signature for ICmp code to predicate; NFC 2018-12-04 18:53:27 +00:00
InstCombineCalls.cpp [InstCombine] try to convert x86 movmsk intrinsic to generic IR (PR39927) 2018-12-11 16:38:03 +00:00
InstCombineCasts.cpp [InstCombine] fix rotate narrowing bug for non-pow-2 types 2018-11-15 17:19:14 +00:00
InstCombineCompares.cpp [InstCombine] foldICmpWithLowBitMaskedVal(): don't miscompile -1 vector elts 2018-12-06 08:14:24 +00:00
InstCombineInternal.h [InstCombine] add helper for icmp with dominator; NFC 2018-12-04 15:35:17 +00:00
InstCombineLoadStoreAlloca.cpp [InstCombine] Set debug loc on mergeStoreIntoSuccessor phi 2018-11-19 19:55:02 +00:00
InstCombineMulDivRem.cpp Add a emitUnaryFloatFnCall version that fetches the function name from TLI 2018-10-18 06:27:53 +00:00
InstCombinePHI.cpp Use llvm::{all,any,none}_of instead std::{all,any,none}_of. NFC 2018-10-19 06:12:02 +00:00
InstCombineSelect.cpp [InstSimplify] fold select with implied condition 2018-11-29 18:44:39 +00:00
InstCombineShifts.cpp [InstCombine] Ensure nested shifts are in range (OSS-Fuzz #9880) 2018-11-06 11:28:22 +00:00
InstCombineSimplifyDemanded.cpp Revert r347871 "Fix: Add support for TFE/LWE in image intrinsic" 2018-11-29 20:14:17 +00:00
InstCombineTables.td
InstCombineVectorOps.cpp InstCombine: Scalarize single use icmp/fcmp 2018-12-10 21:50:54 +00:00
InstructionCombining.cpp [InstCombine] fix undef propagation bug with shuffle+binop 2018-12-03 21:15:17 +00:00
LLVMBuild.txt