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llvm-project/llvm/lib/Transforms/InstCombine
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Jingyue Wu baabe5091c Canonicalize addrspacecast ConstExpr between different pointer types 
As a follow-up to r210375 which canonicalizes addrspacecast
instructions, this patch canonicalizes addrspacecast constant
expressions.

Given clang uses ConstantExpr::getAddrSpaceCast to emit addrspacecast
cosntant expressions, this patch is also a step towards having the
frontend emit canonicalized addrspacecasts.

Piggyback a minor refactor in InstCombineCasts.cpp

Update three affected tests in addrspacecast-alias.ll,
access-non-generic.ll and constant-fold-gep.ll and added one new test in
constant-fold-address-space-pointer.ll

llvm-svn: 211004
 		2014-06-15 21:40:57 +00:00
..
CMakeLists.txt Tidy up a bit. No functional change. 2013-04-05 21:20:12 +00:00
InstCombine.h Added select flavour for ABS and NEG(ABS) 2014-06-06 06:54:45 +00:00
InstCombineAddSub.cpp InstCombine: Improvement to check if signed addition overflows. 2014-06-04 15:39:14 +00:00
InstCombineAndOrXor.cpp Reorder shuffle and binary operation. 2014-05-11 08:46:12 +00:00
InstCombineCalls.cpp [PPC64LE] Correct vperm -> shuffle transform for little endian 2014-06-05 19:46:04 +00:00
InstCombineCasts.cpp Canonicalize addrspacecast ConstExpr between different pointer types 2014-06-15 21:40:57 +00:00
InstCombineCompares.cpp Look through addrspacecasts when turning ptr comparisons into 2014-06-09 19:20:29 +00:00
InstCombineLoadStoreAlloca.cpp [C++] Use 'nullptr'. Transforms edition. 2014-04-25 05:29:35 +00:00
InstCombineMulDivRem.cpp Optimize integral reciprocal (udiv 1, x and sdiv 1, x) to not use division. This fires exactly once in a clang bootstrap, but covers a few different results from http://www.cs.utah.edu/~regehr/souper/ 2014-05-14 03:03:05 +00:00
InstCombinePHI.cpp [C++] Use 'nullptr'. Transforms edition. 2014-04-25 05:29:35 +00:00
InstCombineSelect.cpp This removes TODO added in http://reviews.llvm.org/D3658 2014-06-12 14:06:00 +00:00
InstCombineShifts.cpp Reorder shuffle and binary operation. 2014-05-11 08:46:12 +00:00
InstCombineSimplifyDemanded.cpp Rename ComputeMaskedBits to computeKnownBits. "Masked" has been 2014-05-14 21:14:37 +00:00
InstCombineVectorOps.cpp Fix type of shuffle resulted from shuffle merge. 2014-05-13 06:07:21 +00:00
InstCombineWorklist.h [C++] Use 'nullptr'. 2014-04-28 04:05:08 +00:00
InstructionCombining.cpp Add a Constant version of stripPointerCasts. 2014-06-04 19:01:48 +00:00
LLVMBuild.txt LLVMBuild: Remove trailing newline, which irked me. 2011-12-12 19:48:00 +00:00
Makefile
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