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2282 Commits

Author SHA1 Message Date
Amaury Sechet
763c59dc9a Make cltz and cttz zero undef when the operand cannot be zero in InstCombine 
Summary: Also add popcount(n) == bitsize(n)  -> n == -1 transformation.

Reviewers: majnemer, spatel

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D23134

llvm-svn: 279141
 2016-08-18 20:43:50 +00:00
Sanjay Patel
40e8ca46ad [InstCombine] use m_APInt to allow icmp (trunc X, Y), C folds for splat constant vectors 
This is a sibling of:
https://reviews.llvm.org/rL278859
https://reviews.llvm.org/rL278935
https://reviews.llvm.org/rL278945
https://reviews.llvm.org/rL279066
https://reviews.llvm.org/rL279077
https://reviews.llvm.org/rL279101

llvm-svn: 279133
 2016-08-18 20:28:54 +00:00
Sanjay Patel
fa5ca2bf46 [InstCombine] use m_APInt to allow icmp (udiv X, Y), C folds for splat constant vectors 
This is a sibling of:
https://reviews.llvm.org/rL278859
https://reviews.llvm.org/rL278935
https://reviews.llvm.org/rL278945
https://reviews.llvm.org/rL279066
https://reviews.llvm.org/rL279077

llvm-svn: 279101
 2016-08-18 17:55:59 +00:00
Sanjay Patel
6347807f87 [InstCombine] use m_APInt to allow icmp (mul X, Y), C folds for splat constant vectors 
This is a sibling of:
https://reviews.llvm.org/rL278859
https://reviews.llvm.org/rL278935
https://reviews.llvm.org/rL278945
https://reviews.llvm.org/rL279066

llvm-svn: 279077
 2016-08-18 15:44:44 +00:00
Sanjay Patel
4c5e60d95c [InstCombine] use m_APInt to allow icmp (xor X, Y), C folds for splat constant vectors 
This is a sibling of:
https://reviews.llvm.org/rL278859
https://reviews.llvm.org/rL278935
https://reviews.llvm.org/rL278945

llvm-svn: 279066
 2016-08-18 14:10:48 +00:00
Sanjay Patel
3c92db7560 [InstCombine] add test for missing vector icmp fold 
Also, add a scalar test to demonstrate one of the intermediate folds that
is necessary to accomplish the existing, multi-step test. And simplify
the vector tests to only check the final piece of that multi-step transform.

llvm-svn: 278995
 2016-08-17 22:18:57 +00:00
Sanjay Patel
84ff18ba92 [InstCombine] minimize tests and autogenerate checks 
llvm-svn: 278960
 2016-08-17 19:56:10 +00:00
Sanjay Patel
63e14a07e8 [InstCombine] use m_APInt to allow icmp (or X, Y), C folds for splat constant vectors 
This is a sibling of:
https://reviews.llvm.org/rL278859
https://reviews.llvm.org/rL278935

llvm-svn: 278945
 2016-08-17 16:38:57 +00:00
Sanjay Patel
f636d762ed [InstCombine] add tests for missing vector icmp folds 
llvm-svn: 278943
 2016-08-17 16:23:15 +00:00
Sanjay Patel
4f7eb2aa95 [InstCombine] use m_APInt to allow icmp (add X, Y), C folds for splat constant vectors 
This is a sibling of:
https://reviews.llvm.org/rL278859

llvm-svn: 278935
 2016-08-17 15:24:30 +00:00
Sanjay Patel
7ad324b396 [InstCombine] add tests for fold with no coverage and missing vector fold 
llvm-svn: 278867
 2016-08-16 23:18:42 +00:00
Sanjay Patel
e47df1ac62 [InstCombine] use m_APInt to allow icmp (sub X, Y), C folds for splat constant vectors 
llvm-svn: 278859
 2016-08-16 21:53:19 +00:00
David Majnemer
fa0f1e660b Don't passively concatenate MDNodes 
I have audited all the callers of concatenate and none require duplicate
entries to service concatenation.
These duplicates serve no purpose but to needlessly embiggen the IR.

N.B. Layering getMostGenericAliasScope on top of concatenate makes it
O(nlogn + mlogm) instead of O(n*m).

llvm-svn: 278836
 2016-08-16 18:48:34 +00:00
Sanjay Patel
46a68ba618 [InstCombine] add tests for missing vector icmp folds 
llvm-svn: 278768
 2016-08-16 00:48:38 +00:00
Sanjay Patel
f1bf21c56b [InstCombine] add tests for missing vector icmp folds 
llvm-svn: 278765
 2016-08-16 00:27:12 +00:00
Sanjay Patel
df77a4dbb0 [InstCombine] add tests for missing vector icmp folds 
llvm-svn: 278757
 2016-08-15 22:43:52 +00:00
Sanjay Patel
41520e1712 [InstCombine] add tests for missing vector icmp folds 
llvm-svn: 278751
 2016-08-15 21:47:50 +00:00
Sanjay Patel
638b613101 [InstCombine] add tests for missing vector icmp folds 
llvm-svn: 278747
 2016-08-15 21:37:24 +00:00
Sanjay Patel
55d87a88cc update tests to use FileCheck and exact checking 
llvm-svn: 278741
 2016-08-15 21:02:25 +00:00
Sanjay Patel
3e9acec2fa [InstCombine] add tests for missing vector icmp folds 
llvm-svn: 278737
 2016-08-15 20:56:11 +00:00
Sanjay Patel
b37bd6d7b7 [InstCombine] add test for missing vector icmp fold 
llvm-svn: 278727
 2016-08-15 20:02:40 +00:00
Sanjay Patel
7d98be81cc [InstCombine] add tests for vector icmp folds 
llvm-svn: 278726
 2016-08-15 19:58:21 +00:00
Sanjay Patel
b860859611 [InstCombine] add tests for missing vector icmp folds 
llvm-svn: 278717
 2016-08-15 19:16:33 +00:00
Sanjay Patel
6866b82a05 update test to use FileCheck and autogenerated checks 
llvm-svn: 278714
 2016-08-15 18:56:10 +00:00
Sanjay Patel
2044a8eba9 [InstCombine] add tests for missing vector icmp folds 
llvm-svn: 278709
 2016-08-15 18:45:10 +00:00
Sanjay Patel
aaf34d1bfc [InstCombine] add test for missing vector icmp fold 
llvm-svn: 278708
 2016-08-15 18:39:54 +00:00
Sanjay Patel
195eb9340a minimize test 
llvm-svn: 278707
 2016-08-15 18:35:44 +00:00
Sanjay Patel
3f506daf8c remove unnecessary IR comments about uses 
llvm-svn: 278705
 2016-08-15 18:32:50 +00:00
Sanjay Patel
d391b0d69e [InstCombine] add tests for missing vector icmp folds 
llvm-svn: 278704
 2016-08-15 18:26:56 +00:00
Sanjay Patel
cbd62a082c [InstCombine] add tests for missing vector icmp folds 
llvm-svn: 278689
 2016-08-15 17:55:39 +00:00
Sanjay Patel
566b348987 [InstCombine] auto-generate exact checks 
Note that several of these tests belong in InstSimplify rather than
InstCombine because they return existing operands or constants.

llvm-svn: 278684
 2016-08-15 17:19:07 +00:00
Sanjay Patel
a7b9bb3785 [InstCombine] add tests for missing vector icmp folds 
llvm-svn: 278683
 2016-08-15 17:10:35 +00:00
Sanjay Patel
52fe9ae990 [InstCombine] add test for missing vector icmp fold 
llvm-svn: 278639
 2016-08-14 22:56:46 +00:00
Sanjay Patel
7e57b00274 [InstCombine] add tests for vector icmp folds 
llvm-svn: 278637
 2016-08-14 22:44:10 +00:00
Sanjay Patel
8554f70c07 [InstCombine] add test for potentially missing vector icmp fold 
llvm-svn: 278636
 2016-08-14 22:30:07 +00:00
Sanjay Patel
beebe05af1 [InstCombine] add test for missing vector icmp fold 
llvm-svn: 278635
 2016-08-14 22:29:27 +00:00
Sanjay Patel
ba1f9fbddc [InstCombine] add tests for missing vector icmp folds 
llvm-svn: 278634
 2016-08-14 22:28:50 +00:00
Sanjay Patel
f6559404d5 [InstCombine] remove unnecessary function attributes from tests 
llvm-svn: 278633
 2016-08-14 21:48:21 +00:00
Sanjay Patel
b44ca3bfa9 [InstCombine] add tests for missing vector icmp folds 
llvm-svn: 278632
 2016-08-14 21:36:22 +00:00
Sanjay Patel
bbb3dffd0a [InstCombine] add test for missing vector icmp fold 
llvm-svn: 278631
 2016-08-14 21:05:08 +00:00
Sanjay Patel
66a3457a4c [InstCombine] add test for missing vector icmp fold 
llvm-svn: 278630
 2016-08-14 20:39:42 +00:00
Mehdi Amini
8c629ecf3a Revert "Revert "Invariant start/end intrinsics overloaded for address space"" 
This reverts commit 32fc6488e48eafc0ca1bac1bd9cbf0008224d530.

llvm-svn: 278609
 2016-08-13 23:31:24 +00:00
Mehdi Amini
164ac651da Revert "Invariant start/end intrinsics overloaded for address space" 
This reverts commit r276447.

llvm-svn: 278608
 2016-08-13 23:27:32 +00:00
Davide Italiano
873219c406 [SimplifyLibCalls] Restore the old behaviour, emit a libcall. 
Hal pointed out that the semantic of our intrinsic and the libc
call are slightly different. Add a comment while I'm here to
explain why we can't emit an intrinsic. Thanks Hal!

llvm-svn: 278200
 2016-08-10 06:33:32 +00:00
Sanjay Patel
a814d89b61 update to use FileCheck and auto-generate checks 
llvm-svn: 278150
 2016-08-09 19:42:52 +00:00
Sanjay Patel
4ee824a88d auto-generate checks 
llvm-svn: 278137
 2016-08-09 17:03:51 +00:00
Sanjay Patel
25af7444df auto-generate checks 
llvm-svn: 278136
 2016-08-09 17:02:17 +00:00
Sanjay Patel
52958dc111 auto-generate checks 
llvm-svn: 278135
 2016-08-09 16:59:54 +00:00
Sanjay Patel
9f36a2d54b add tests for missing vector icmp folds 
llvm-svn: 278132
 2016-08-09 16:39:05 +00:00
Sanjay Patel
f36a29199f update to use FileCheck and auto-generate checks 
llvm-svn: 278131
 2016-08-09 16:19:57 +00:00