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17676e0feb
llvm/test/CodeGen
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Bjorn Pettersson 17676e0feb [DAG] Teach computeKnownBits and ComputeNumSignBits in SelectionDAG to look through EXTRACT_VECTOR_ELT. 
Summary: Both computeKnownBits and ComputeNumSignBits can now do a simple
look-through of EXTRACT_VECTOR_ELT. It will compute the result based
on the known bits (or known sign bits) for the vector that the element
is extracted from.

Reviewers: bogner, tstellarAMD, mkuper

Subscribers: wdng, RKSimon, jyknight, llvm-commits, nhaehnle

Differential Revision: https://reviews.llvm.org/D25007

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@283347 91177308-0d34-0410-b5e6-96231b3b80d8
2016-10-05 17:40:27 +00:00
..
AArch64 Revert "Codegen: Tail-duplicate during placement." 2016-10-05 01:39:29 +00:00
AMDGPU [DAG] Teach computeKnownBits and ComputeNumSignBits in SelectionDAG to look through EXTRACT_VECTOR_ELT. 2016-10-05 17:40:27 +00:00
ARM [Thumb] Don't try and emit LDRH/LDRB from the constant pool 2016-10-05 14:52:13 +00:00
BPF Revert "In visitSTORE, always use FindBetterChain, rather than only when UseAA is enabled." 2016-09-28 16:37:50 +00:00
Generic llc: Add -start-before/-stop-before options 2016-09-23 21:46:02 +00:00
Hexagon Fix machine operand traversal in ScheduleDAGInstrs::fixupKills 2016-10-05 13:15:06 +00:00
Inputs
Lanai
Mips [mips][fastisel] Consider soft-float an unsupported floating point mode 2016-10-04 10:35:07 +00:00
MIR AMDGPU: Partially fix control flow at -O0 2016-09-29 01:44:16 +00:00
MSP430 Revert "In visitSTORE, always use FindBetterChain, rather than only when UseAA is enabled." 2016-09-28 16:37:50 +00:00
NVPTX [NVPTX] Added intrinsics for atom.gen.{sys|cta}.* instructions. 2016-09-28 17:25:38 +00:00
PowerPC Revert "Codegen: Tail-duplicate during placement." 2016-10-05 01:39:29 +00:00
SPARC [DAG] Teach computeKnownBits and ComputeNumSignBits in SelectionDAG to look through EXTRACT_VECTOR_ELT. 2016-10-05 17:40:27 +00:00
SystemZ Revert "In visitSTORE, always use FindBetterChain, rather than only when UseAA is enabled." 2016-09-28 16:37:50 +00:00
Thumb Revert "In visitSTORE, always use FindBetterChain, rather than only when UseAA is enabled." 2016-09-28 16:37:50 +00:00
Thumb2 Revert "[Thumb] Teach ISel how to lower compares of AND bitmasks efficiently" 2016-09-14 09:45:28 +00:00
WebAssembly Revert "Codegen: Tail-duplicate during placement." 2016-10-05 01:39:29 +00:00
WinEH
X86 [DAG] Teach computeKnownBits and ComputeNumSignBits in SelectionDAG to look through EXTRACT_VECTOR_ELT. 2016-10-05 17:40:27 +00:00
XCore Revert "In visitSTORE, always use FindBetterChain, rather than only when UseAA is enabled." 2016-09-28 16:37:50 +00:00