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16 Commits

Author SHA1 Message Date
Eric Christopher
9f85dccfc6 Remove the TargetMachine forwards for TargetSubtargetInfo based 
information and update all callers. No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214781 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-08-04 21:25:23 +00:00
Sanjay Patel
8758b729f5 Remove Atom references in description. 
Any CPU can run this pass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213190 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-07-16 20:18:49 +00:00
Craig Topper
b177041dfa [C++11] Use 'nullptr'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210442 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-06-08 22:29:17 +00:00
Eric Christopher
957b2cc0f2 Revert r209381 as it isn't a local variable. Add a testcase so that 
we know next time this happens.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210127 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-06-03 21:01:39 +00:00
Eric Christopher
79f634d783 Fixup formatting in the pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210126 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-06-03 21:01:35 +00:00
Eric Christopher
26bbeece29 Avoid using subtarget features when adding X86 specific passes to 
the pass pipeline.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209382 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-05-22 01:46:02 +00:00
Eric Christopher
1e264de205 Remove extra local variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209381 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-05-22 01:45:59 +00:00
Alexey Volkov
0d0bab5168 [X86] Tune LEA usage for Silvermont 
According to Intel Software Optimization Manual on Silvermont in some cases LEA
is better to be replaced with ADD instructions:
"The rule of thumb for ADDs and LEAs is that it is justified to use LEA
with a valid index and/or displacement for non-destructive destination purposes
(especially useful for stack offset cases), or to use a SCALE.
Otherwise, ADD(s) are preferable."

Differential Revision: http://reviews.llvm.org/D3826


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209198 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-05-20 08:55:50 +00:00
Craig Topper
c848b1bbcf [C++] Use 'nullptr'. Target edition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207197 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-04-25 05:30:21 +00:00
Chandler Carruth
42e8630239 [Modules] Fix potential ODR violations by sinking the DEBUG_TYPE 
definition below all of the header #include lines, lib/Target/...
edition.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206842 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-04-22 02:41:26 +00:00
Craig Topper
f2c9fef815 [C++11] Add 'override' keyword to virtual methods that override their base class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203378 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-03-09 07:44:38 +00:00
Preston Gurd
7813a2fe9d Forgot to add a break statement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191715 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-30 23:51:22 +00:00
Preston Gurd
2967a80412 The X86FixupLEAs pass for Intel Atom must not call convertToThreeAddress 
on ADD16rr opcodes, if src1 != src, since that would cause 
convertToThreeAddress to try to create a virtual register. This is not
permitted after register allocation, which is when the X86FixupLEAs pass
runs.

This patch fixes PR16785.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191711 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-30 23:18:42 +00:00
Bill Wendling
a5e5ba611f Don't cache the instruction and register info from the TargetMachine, because 
the internals of TargetMachine could change.

No functionality change intended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183571 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-07 21:00:34 +00:00
Preston Gurd
7f8300b8f3 Make function documentation conform to llvm standards. 
Expunge all remaining traces and use of live variable information.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180577 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-25 21:31:33 +00:00
Preston Gurd
d6ac8e9a03 This patch adds the X86FixupLEAs pass, which will reduce instruction 
latency for certain models of the Intel Atom family, by converting
instructions into their equivalent LEA instructions, when it is both
useful and possible to do so.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180573 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-25 20:29:37 +00:00