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2181 Commits

Author SHA1 Message Date
Chris Lattner
eaa359586c Account for global variables resolved more accurately. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4143 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-13 17:30:30 +00:00
Chris Lattner
66c25ff438 Use methods that are more explanatory 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4142 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-13 17:12:47 +00:00
Vikram S. Adve
1632e882f1 Use vectors instead of hash_maps for issueGaps and conflictLists. 
These hash lookups were a major sink of time because they happen so often!
Also, add option to disable scheduling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4138 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-13 00:40:37 +00:00
Vikram S. Adve
acf0f704f9 Major bug fix: was not adding CD edges for RETURNs! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4137 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-13 00:39:22 +00:00
Vikram S. Adve
5aefcad35b Use vectors instead of hash_maps for issueGaps and conflictLists. 
These hash lookups were a major sink of time because they happen so often!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4136 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-13 00:37:46 +00:00
Vikram S. Adve
516b26fd86 Run LICM before GCSE! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4135 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-13 00:34:10 +00:00
Vikram S. Adve
fee76265ff Several major fixes, particularly in emitting constant aggregates: 
(1) Padding bytes between structure fields (for alignment) were never
    being emitted into the constant pool so the layout did not match!
(2) In printing constants, structures containing structures or arrays
    were never handled.
(3) Support new model for external/uninitialized/initialized globals.
    Uninitialized globals are no longer emitted since they are external.
    Initialized globals may go either in .bss or in .data.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4134 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-13 00:32:18 +00:00
Vikram S. Adve
42e90cf4be Don't use %l0 for large operands to a SAVE since it is needed *before* SAVE! 
We now use %g1 instead since that is shared and volatile.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4133 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-13 00:24:06 +00:00
Vikram S. Adve
e0048667dd Don't mark JMPLCALL and JMPLRET as branches. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4132 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-13 00:22:32 +00:00
Vikram S. Adve
d3e26482ff (1) Try to evaluate constant when multiplying 2 constants. 
(2) Use intelligent multiply selection code for array allocas.
(3) Don't use cache padding for alloca'd stack slots!
(4) Bug fix in handling call arguments: was not copying sixth FP arg
    to int reg. when calling a function with no prototype.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4130 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-13 00:18:57 +00:00
Vikram S. Adve
04ef49985b Eliminate duplicate target pointer in SparcRegInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4129 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-13 00:06:04 +00:00
Vikram S. Adve
c654c784f6 Eliminate duplicate target pointer. Also add a few assertions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4128 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-13 00:05:30 +00:00
Vikram S. Adve
893cace8e2 Make sure to handle small negative values hiding as large unsigned longs -- 
this is a common case created by the front-end.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4127 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-13 00:04:26 +00:00
Vikram S. Adve
d0451a9233 Major fix: extract ConstantExpr nodes and decompose them into symbolic 
instructions so that (a) constant folding is done automatically before
code generation, and (b) selection does not have to deal with them.
Also, check for ConstantPointerRefs in additional to GlobalValues
when creating a GEP to load a global address.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4126 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-13 00:01:57 +00:00
Anand Shukla
3383b1d3bb Changed to external global var 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4120 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-12 20:33:47 +00:00
Nick Hildenbrandt
98360a1752 Instead of adding stdlib we just prototype malloc correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4118 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-11 21:40:44 +00:00
Nick Hildenbrandt
c7140e9bd9 Sun requires you to include stdlib to use malloc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4117 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-11 18:41:44 +00:00
Vikram S. Adve
cb202e3de5 Major bug fix: spill code for an instruction in a delay slot was 
merrily being inserted before/after the instruction!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4116 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-11 16:12:40 +00:00
Vikram S. Adve
cde3982b02 Don't pad variables in stack slots for performance! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4115 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-11 16:10:53 +00:00
Vikram S. Adve
6e0bb63264 Use PARALLEL_DIRS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4114 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-11 16:08:17 +00:00
Misha Brukman
a27229013f Added capability to get execution count of a loop if it is a predictable 
number of iterations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4113 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-11 05:34:32 +00:00
Misha Brukman
6b290a5440 Added helper functions in LoopInfo: isLoopExit and numBackEdges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4112 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-11 05:31:10 +00:00
Chris Lattner
7a11a94183 Stop using DataStructureGraph.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4106 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-10 20:33:46 +00:00
Chris Lattner
c67ebfa788 - Dramatically simplify the ConstantMerge code now that 
Value::replaceAllUsesWith works with constants correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4104 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-09 23:16:04 +00:00
Chris Lattner
28eca8bb56 - Make Value::replaceAllUsesWith work with constants correctly. This fixes 
bug FuncResolve/2002-08-19-ResolveGlobalVars.ll and gzip looks better.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4103 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-09 23:12:59 +00:00
Chris Lattner
c251f9e0ae - Add new Constant::replaceUsesOfWithOnConstant which has an end result 
similar to User::replaceUsesOfWith but actually does the right thing for
    constants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4102 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-09 23:12:25 +00:00
Chris Lattner
a45ec54a02 Almost a complete rewrite of FunctionResolution to now resolve functions 
and global variables.

This fixes bug: FuncResolve/2002-08-19-ResolveGlobalVarsEasier.ll
And bug: SingleSource/UnitTests/2002-10-09-ArrayResolution.c

Note that this does not fix bug:
FunctionResolve/2002-08-19-ResolveGlobalVars.ll because replaceAllUsesWith
breaks when a constantexpr is pointing to the thing being replaced.  This
is more of an infrastructure problem than anything.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4099 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-09 21:10:06 +00:00
Chris Lattner
e43f40bc17 Minor, non-functionality changing, formatting fix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4091 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-09 00:25:32 +00:00
Chris Lattner
61d295aa29 - Remove Value::use_remove 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4090 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-09 00:25:05 +00:00
Chris Lattner
cd484a47ea - Rename MTy to FTy (no methods exist anymore) 
- Fix bug: LevelRaise/2002-10-08-VarArgCallInfLoop.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4088 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-09 00:16:00 +00:00
Chris Lattner
d1c657e2c7 Fix NASTY N^2 behavior that was causing the gzip benchmark to take forever to 
assemble.  Now we scan the use-list from the back when removing users instead
of from the front.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4086 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 23:46:55 +00:00
Chris Lattner
d43c7d2077 Fix bug: Assembler/2002-10-08-LargeArrayPerformance.ll by using 
std::vector::reserve when possible


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4085 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 23:33:52 +00:00
Chris Lattner
61b92c02b4 - Fix bug: LevelRaise/2002-10-08-VarArgCall.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4083 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 22:19:25 +00:00
Chris Lattner
d3d06a5cd8 - Fix bug: cee/2002-10-07-NoImmediateDominator.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4081 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 21:53:51 +00:00
Chris Lattner
dee430d26e Changes to support PHINode::removeIncoming changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4080 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 21:36:34 +00:00
Chris Lattner
bb190ac8da Changes to support PHINode::removeIncoming changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4079 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 21:36:33 +00:00
Chris Lattner
8bcb768a9c - Change PHINode::removeIncomingValue to delete the phi node if the last 
incoming value is removed!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4078 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 21:34:58 +00:00
Chris Lattner
f7f009d9a5 - Checkin LARGE number of Changes to CEE pass that will make it much more 
powerful, but that are largely disabled.  The basic idea here is that it
    is trying to forward branches across basic blocks that have PHI nodes in
    it, which are crucial to be able to handle cases like whet.ll.
    Unfortunately we are not updating SSA correctly, causing sim.c to die, and I
    don't have time to fix the regression now, so I must disable the
    functionality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4077 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 21:34:15 +00:00
Chris Lattner
e802a023d9 Expose isCriticalEdge & SplitCriticalEdge methods from crit-edges pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4075 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 21:06:27 +00:00
Chris Lattner
7ca266fe1f Expose new "recalculate" method from dominatorset 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4074 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 19:12:08 +00:00
Chris Lattner
57b314cfb1 It is illegal for PHI nodes to have zero values, delete the code to handle them 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4071 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 17:07:39 +00:00
Chris Lattner
6eaeb5764c Fold ashr -1, X into -1 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4070 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 16:16:40 +00:00
Chris Lattner
7c1faf0f59 Non-functionality change just to make it more clear what is going on 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4060 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-07 18:34:32 +00:00
Chris Lattner
0c5e362118 Global variables are now external if they don't have initializers, not 
"uninitialized"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4052 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-06 22:48:09 +00:00
Chris Lattner
61b91bc156 Check that we don't have external varaibles with internal linkage 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4051 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-06 22:47:32 +00:00
Chris Lattner
08c0e6af4f The parser now accepts "external" global variables, in addition to the backwards 
compatible "uninitialized" global variables


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4050 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-06 22:45:09 +00:00
Chris Lattner
f6ffcb6b71 PHI nodes are not allowed to exist with zero incoming values, check that 
there aren't any like this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4044 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-06 21:00:31 +00:00
Vikram S. Adve
2a408f06b5 Bug fix: In preventing static global variables from being printed twice, 
I also prevented external globals from being printed twice, but they
should (extern declaration and definition).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4043 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-05 23:43:10 +00:00
Anand Shukla
3400837374 Added #include<unistd.h> to compile with solaris gcc3.2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4042 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-04 23:57:01 +00:00
Anand Shukla
c1d4d79d93 added cast to unsigned to compile with gcc3.2 (sparc) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4041 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-04 23:56:18 +00:00