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llvm-mirror/test/Transforms/InstSimplify
Sanjoy Das 4802c96296 Simplify x >=u x >> y and x >=u x udiv y
Summary:
Extends InstSimplify to handle both `x >=u x >> y` and `x >=u x udiv y`.

This is a folloup of rL258422 and
https://github.com/rust-lang/rust/pull/30917 where llvm failed to
optimize away the bounds checking in a binary search.

Patch by Arthur Silva!

Reviewers: sanjoy

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D25941

llvm-svn: 285228
2016-10-26 19:18:43 +00:00
..
2010-12-20-Boolean.ll
2011-01-14-Thread.ll
2011-02-01-Vector.ll
2011-09-05-InsertExtractValue.ll
2011-10-27-BinOpCrash.ll
2011-11-23-MaskedBitsCrash.ll
2013-04-19-ConstantFoldingCrash.ll
add-mask.ll
AndOrXor.ll [InstSimplify] move one and add more tests for potential negation folds 2016-10-19 18:42:12 +00:00
apint-or.ll
assume.ll
bitcast-vector-fold.ll [ConstantFold] Improve the bitcast folding logic for constant vectors. 2016-09-13 14:50:47 +00:00
bswap.ll
call-callconv.ll
call.ll Simplify llvm.masked.load w/ undef masks 2016-07-14 06:58:37 +00:00
cast.ll [InstSimplify] Fold gep (gep V, C), (xor V, -1) to C-1 2016-08-16 06:13:46 +00:00
compare.ll Simplify x >=u x >> y and x >=u x udiv y 2016-10-26 19:18:43 +00:00
dead-code-removal.ll
exact-nsw-nuw.ll
fast-math.ll
fdiv.ll
floating-point-arithmetic.ll
floating-point-compare.ll [instsimplify] Fix incorrect folding of an ordered fcmp with a vector of all NaN. 2016-09-02 14:47:43 +00:00
fold-builtin-fma.ll
gep.ll
icmp-constant.ll [InstSimplify] allow icmp with constant folds for splat vectors, part 2 2016-08-23 18:00:51 +00:00
implies.ll
load-relative-32.ll
load-relative.ll
load.ll [ConstantFolding] Extend FoldReinterpretLoadFromConstPtr to handle negative offsets 2016-07-13 23:33:07 +00:00
maxmin.ll
negate.ll [InstSimplify] fold negation of sign-bit 2016-10-19 21:23:45 +00:00
noalias-ptr.ll
past-the-end.ll
phi.ll
pr28725.ll [ConstantFolding] Use ConstantExpr::getWithOperands 2016-07-29 03:27:31 +00:00
ptr_diff.ll
reassociate.ll
rem.ll
require-dominator.ll Add unittest for r280760 2016-09-08 16:53:40 +00:00
returned.ll Pointer-comparison folding should look through returned-argument functions 2016-07-11 03:37:59 +00:00
select.ll [InstSimplify] don't crash handling a pointer or aggregate type 2016-07-21 21:56:00 +00:00
shift-128-kb.ll
shift-knownbits.ll
shr-nop.ll [ValueTracking] improve ComputeNumSignBits for vector constants 2016-06-22 19:20:59 +00:00
undef.ll [InstCombine] replace divide-by-constant checks with asserts; NFC 2016-08-30 17:31:34 +00:00
vec-cmp.ll
vector_gep.ll
vector_ptr_bitcast.ll