Ruchira Sasanka [Tue, 23 Oct 2001 21:38:00 +0000 (21:38 +0000)]
Added support to move "added instructions" after the delay slot
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@967
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Chris Lattner [Tue, 23 Oct 2001 20:44:55 +0000 (20:44 +0000)]
Add '-v' option to enable verbose output from the linker
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@966
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Chris Lattner [Tue, 23 Oct 2001 20:43:42 +0000 (20:43 +0000)]
Fix problem linking in a method prototype when a method body exists
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@965
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Chris Lattner [Tue, 23 Oct 2001 15:30:18 +0000 (15:30 +0000)]
Remove unnamed prototypes that are created.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@964
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Chris Lattner [Tue, 23 Oct 2001 04:13:01 +0000 (04:13 +0000)]
Negative FP constants... whodathunkit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@963
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Chris Lattner [Tue, 23 Oct 2001 03:21:42 +0000 (03:21 +0000)]
Oops, didn't mean to check in enabled debugging support. :(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@962
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Chris Lattner [Tue, 23 Oct 2001 03:21:10 +0000 (03:21 +0000)]
Fixed a LONG standing, SCARY problem with bytecode encoding. It turns out to be an endian problem that only shows up with type 0 instructions in LARGE programs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@961
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Chris Lattner [Tue, 23 Oct 2001 02:32:45 +0000 (02:32 +0000)]
More symbol table bugfixes that are impossible to track down. Goody
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@960
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Chris Lattner [Tue, 23 Oct 2001 01:53:22 +0000 (01:53 +0000)]
Allow unresolved/opaque types to be read and written to bytecode files
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@959
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Chris Lattner [Tue, 23 Oct 2001 01:53:01 +0000 (01:53 +0000)]
Fix another annoying bug that took forever to track down. This one involves abstract type resolution at a bad time that broke symbol tables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@958
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Vikram S. Adve [Mon, 22 Oct 2001 22:33:08 +0000 (22:33 +0000)]
Disable alloca code gen tests until size of extra args in stack frame
can be computed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@957
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Vikram S. Adve [Mon, 22 Oct 2001 22:32:11 +0000 (22:32 +0000)]
Delete MachineCodeInfoForMethod object.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@956
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Chris Lattner [Mon, 22 Oct 2001 21:59:46 +0000 (21:59 +0000)]
Fix a problem occuring with type unification of symbol table entries
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@955
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Vikram S. Adve [Mon, 22 Oct 2001 13:58:22 +0000 (13:58 +0000)]
Simplify etags command.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@954
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Vikram S. Adve [Mon, 22 Oct 2001 13:58:08 +0000 (13:58 +0000)]
Added object of class MachineCodeForMethod.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@953
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Vikram S. Adve [Mon, 22 Oct 2001 13:57:39 +0000 (13:57 +0000)]
Added class MachineCodeForMethod to provide method-level information
about the generated native code (e.g., frame layout information).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@952
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Vikram S. Adve [Mon, 22 Oct 2001 13:56:33 +0000 (13:56 +0000)]
Added function interfaces for generating prolog and epilog code.
The functions must be implemented by the target-specific code generator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@951
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Vikram S. Adve [Mon, 22 Oct 2001 13:55:46 +0000 (13:55 +0000)]
Added function IsLeafMethod to identify leaf methods.
This will use the CallGraph only if one is provided.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@950
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Vikram S. Adve [Mon, 22 Oct 2001 13:52:47 +0000 (13:52 +0000)]
Added MachineCodeForMethod object in class Method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@949
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Vikram S. Adve [Mon, 22 Oct 2001 13:52:03 +0000 (13:52 +0000)]
Use class MachineCodeForMethod to print machine code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@948
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Vikram S. Adve [Mon, 22 Oct 2001 13:51:33 +0000 (13:51 +0000)]
Added class MachineCodeForMethod.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@947
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Vikram S. Adve [Mon, 22 Oct 2001 13:51:09 +0000 (13:51 +0000)]
Cosmetic changes only.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@946
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Vikram S. Adve [Mon, 22 Oct 2001 13:49:27 +0000 (13:49 +0000)]
Modify code that processes delay slots so that it preserves any
useful instructions already inserted into delay slots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@945
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Vikram S. Adve [Mon, 22 Oct 2001 13:46:38 +0000 (13:46 +0000)]
UNUSED.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@944
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Vikram S. Adve [Mon, 22 Oct 2001 13:44:53 +0000 (13:44 +0000)]
Split JMPL into JMPLCALL and JMPLRET.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@943
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Vikram S. Adve [Mon, 22 Oct 2001 13:44:23 +0000 (13:44 +0000)]
Added a frame layout class, and code to insert prolog/epilog code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@942
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Vikram S. Adve [Mon, 22 Oct 2001 13:43:08 +0000 (13:43 +0000)]
Reordered registers slightly to simplify a new check.
Added a function to map between the caller's and callee's register windows.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@941
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Vikram S. Adve [Mon, 22 Oct 2001 13:41:12 +0000 (13:41 +0000)]
Split JMPL into JMPLCALL and JMPLRET so that IsCall and IsReturn can
be used to distinguish those uses of the `jmpl' instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@940
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Vikram S. Adve [Mon, 22 Oct 2001 13:36:31 +0000 (13:36 +0000)]
Added functions to generate prolog and epilog code.
Use JMPLRET instead of RETURN for method returns so that
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@939
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Vikram S. Adve [Mon, 22 Oct 2001 13:32:55 +0000 (13:32 +0000)]
Added SAVE and RESTORE. Duplicated JMPL into JMPLCALL and JMPLRET,
which have the same opcode and operands but different flags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@938
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Vikram S. Adve [Mon, 22 Oct 2001 13:31:53 +0000 (13:31 +0000)]
Reordered a couple of registers to simplify some new checks.
Added code to map between caller's and callee's register windows.
Added frame layout class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@937
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Chris Lattner [Mon, 22 Oct 2001 06:01:08 +0000 (06:01 +0000)]
Remove ugly subclass of Opaque type
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@936
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Chris Lattner [Mon, 22 Oct 2001 05:56:09 +0000 (05:56 +0000)]
Fix bug with
%list = type {%list *}
%list = type {%list *}
not being accepted (broken testmisc.ll)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@935
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Chris Lattner [Mon, 22 Oct 2001 04:55:44 +0000 (04:55 +0000)]
Fix bug exposed by this testcase:
declare int "call_operand" (%rtx_def*, int) ;; Prototype for: call_operand
declare int "restore_operand" (%rtx_def*, int) ;; Prototype for: restore_operand
%rtx_def = type opaque
%rtx_def = type int
implementation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@934
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Chris Lattner [Sun, 21 Oct 2001 23:02:41 +0000 (23:02 +0000)]
Two changes:
1. Delete type handle regardless of whether a collision occured
2. Remove a MAJOR pessimization of runtime performance (thought be be an optimization at the time).
This second one was causing a 105k llvm file (from gcc) to parse in 58 seconds... without the
'optimization' it now parses in 3.64 seconds. I suck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@933
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Chris Lattner [Sun, 21 Oct 2001 21:54:51 +0000 (21:54 +0000)]
Fix erroneous assertion failure on the following code:
declare int "malloc"(...)
...
%reg112 = call int (...) * %malloc( uint %cast1007 )
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@932
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Chris Lattner [Sun, 21 Oct 2001 21:43:25 +0000 (21:43 +0000)]
Fix bug caused by:
%list = type opaque
%list = type %list
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@931
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Ruchira Sasanka [Sun, 21 Oct 2001 16:43:41 +0000 (16:43 +0000)]
Added support for both call/jmpl instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@930
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Chris Lattner [Sun, 21 Oct 2001 00:14:44 +0000 (00:14 +0000)]
Fix problem with a cast instruction that must be expanded to type 0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@929
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Vikram S. Adve [Sat, 20 Oct 2001 21:33:50 +0000 (21:33 +0000)]
Fixed printing of offset operand for RETURN instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@928
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Vikram S. Adve [Sat, 20 Oct 2001 20:57:06 +0000 (20:57 +0000)]
Use CALL for direct function calls; JMPL for indirect ones.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@927
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Vikram S. Adve [Sat, 20 Oct 2001 20:56:40 +0000 (20:56 +0000)]
Minor bug fix in printing operands of JMPL.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@926
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Chris Lattner [Sat, 20 Oct 2001 09:33:10 +0000 (09:33 +0000)]
Fix shift printing when using a ubyte LHS
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@925
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Chris Lattner [Sat, 20 Oct 2001 09:32:59 +0000 (09:32 +0000)]
Add support for And, XOR, and Or
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@924
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Chris Lattner [Sat, 20 Oct 2001 06:43:05 +0000 (06:43 +0000)]
It is valid to have unsigned arrays as constants... the linker may initialize them later
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@923
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Ruchira Sasanka [Fri, 19 Oct 2001 21:42:06 +0000 (21:42 +0000)]
Added code to support unusable Suggested Colors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@922
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Ruchira Sasanka [Fri, 19 Oct 2001 21:41:16 +0000 (21:41 +0000)]
Added code so that colorIGNode does not unnecessarily reserve unusable
Suggested colors for neighbors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@921
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Ruchira Sasanka [Fri, 19 Oct 2001 21:39:31 +0000 (21:39 +0000)]
Added code to PhyRegAlloc to mark unusable suggested regs
Added initialization to AdjList to IGNode constructor - major bug fix
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@920
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Ruchira Sasanka [Fri, 19 Oct 2001 18:17:49 +0000 (18:17 +0000)]
Added code to Initialize (MachineOperand) to initialize regNum to -1 -- Ruchira
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@919
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Ruchira Sasanka [Fri, 19 Oct 2001 17:23:43 +0000 (17:23 +0000)]
Corrected call interference bug - suggested color not allocated if
volatile and there are call interferences
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@918
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Ruchira Sasanka [Fri, 19 Oct 2001 17:21:59 +0000 (17:21 +0000)]
Changed Call interference info
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@917
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Ruchira Sasanka [Fri, 19 Oct 2001 17:21:03 +0000 (17:21 +0000)]
Corrected call interference bug
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@916
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Chris Lattner [Fri, 19 Oct 2001 15:39:14 +0000 (15:39 +0000)]
Fix to reference the right header
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@915
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Ruchira Sasanka [Thu, 18 Oct 2001 23:58:08 +0000 (23:58 +0000)]
no major change
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@914
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Vikram S. Adve [Thu, 18 Oct 2001 22:47:50 +0000 (22:47 +0000)]
*** empty log message ***
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@913
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Ruchira Sasanka [Thu, 18 Oct 2001 22:40:02 +0000 (22:40 +0000)]
Added implict operand printing for operator( ostream, MachineInstr&)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@912
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Ruchira Sasanka [Thu, 18 Oct 2001 22:38:52 +0000 (22:38 +0000)]
Added support for condition code loading/stroing in methods cpReg2Reg etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@911
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Ruchira Sasanka [Thu, 18 Oct 2001 22:36:26 +0000 (22:36 +0000)]
removed some debug messages
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@910
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Chris Lattner [Thu, 18 Oct 2001 21:55:32 +0000 (21:55 +0000)]
Enhancements to pass argc & argv to main if required
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@909
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Chris Lattner [Thu, 18 Oct 2001 21:55:07 +0000 (21:55 +0000)]
Check in new testcase based on .c file. Adapted to run with lli
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@908
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Chris Lattner [Thu, 18 Oct 2001 21:54:42 +0000 (21:54 +0000)]
Fix null termination issue
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@907
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Chris Lattner [Thu, 18 Oct 2001 21:50:39 +0000 (21:50 +0000)]
Add new testcase from C source
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@906
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Chris Lattner [Thu, 18 Oct 2001 20:33:21 +0000 (20:33 +0000)]
Remove unneccesary retcode var
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@905
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Chris Lattner [Thu, 18 Oct 2001 20:32:07 +0000 (20:32 +0000)]
Refactor Assembly/Bytecode writer code into Assembly & bytecode libraries
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@904
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Chris Lattner [Thu, 18 Oct 2001 20:31:54 +0000 (20:31 +0000)]
Refactor code into Assembly & bytecode libraries
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@903
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Chris Lattner [Thu, 18 Oct 2001 20:31:42 +0000 (20:31 +0000)]
initial checkin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@902
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Chris Lattner [Thu, 18 Oct 2001 20:19:09 +0000 (20:19 +0000)]
move llvm/Transforms/Pass.h to the top level llvm/Pass.h file
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@901
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Chris Lattner [Thu, 18 Oct 2001 20:06:45 +0000 (20:06 +0000)]
Expose more xforms to the opt utility
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@900
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Chris Lattner [Thu, 18 Oct 2001 20:06:31 +0000 (20:06 +0000)]
Bytecode writer is yanked out of Module printer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@899
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Chris Lattner [Thu, 18 Oct 2001 20:06:03 +0000 (20:06 +0000)]
Refix bugs, stop using deprecated strstream header
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@898
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Chris Lattner [Thu, 18 Oct 2001 20:05:37 +0000 (20:05 +0000)]
Initial checkin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@897
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Chris Lattner [Thu, 18 Oct 2001 20:05:30 +0000 (20:05 +0000)]
Initial Checkin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@896
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Chris Lattner [Thu, 18 Oct 2001 20:05:07 +0000 (20:05 +0000)]
Pull bytecode writing out of Module writer pass. Prepare to move to seperate file
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@895
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Chris Lattner [Thu, 18 Oct 2001 20:04:40 +0000 (20:04 +0000)]
Add operator[] accessors
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@894
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Vikram S. Adve [Thu, 18 Oct 2001 18:20:20 +0000 (18:20 +0000)]
Move malloc/free lowering after tracing until lli supports
calls to external malloc/free functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@893
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Vikram S. Adve [Thu, 18 Oct 2001 18:16:11 +0000 (18:16 +0000)]
Only print values live at BB or method exit, and insert loads at each
BB exit to read and print values stored in that BB. Note that only
these stored values are live at method exit!. Also, print messages at
method entry and exit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@892
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Vikram S. Adve [Thu, 18 Oct 2001 18:13:49 +0000 (18:13 +0000)]
Add option to print per module instead of per method, so that
global declarations are also printed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@891
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Chris Lattner [Thu, 18 Oct 2001 17:07:22 +0000 (17:07 +0000)]
Only output code if file open is successful
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@890
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Vikram S. Adve [Thu, 18 Oct 2001 13:51:20 +0000 (13:51 +0000)]
Trace code should always be exported just before code generation;
this is not a debugging option. But we can export it as assembly
instead of bytecode if -debugtrace is specified.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@889
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Vikram S. Adve [Thu, 18 Oct 2001 13:49:22 +0000 (13:49 +0000)]
Handle multiple exit blocks correctly.
Restore string variable cache.
Resurrect code to use formatted printing instead of PrintVal
but leave it turned off for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@888
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Vikram S. Adve [Thu, 18 Oct 2001 13:47:49 +0000 (13:47 +0000)]
Add option to print as bytecode instead of assembly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@887
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Chris Lattner [Thu, 18 Oct 2001 06:13:08 +0000 (06:13 +0000)]
Use the standard header not the old one
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@886
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Chris Lattner [Thu, 18 Oct 2001 06:11:23 +0000 (06:11 +0000)]
Dang, we were losing the Constant bit on globals. Fix this
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@885
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Chris Lattner [Thu, 18 Oct 2001 06:05:15 +0000 (06:05 +0000)]
Add support to insert trace code as an "optimization"
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@884
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Chris Lattner [Thu, 18 Oct 2001 06:03:05 +0000 (06:03 +0000)]
Convert to be compatible with lli.
Need to eliminate duplicate \n entries
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@883
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Chris Lattner [Thu, 18 Oct 2001 05:28:44 +0000 (05:28 +0000)]
Convert to new simpler, more powerful pass structure
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@882
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Chris Lattner [Thu, 18 Oct 2001 05:28:08 +0000 (05:28 +0000)]
Massive hacks to try to fix subtle logic bugs. I think it's all working now,
at least what used to. I should disable method exit code completely because
it's broken (doesn't insert just post dominating values)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@881
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Chris Lattner [Thu, 18 Oct 2001 05:27:33 +0000 (05:27 +0000)]
Convert to new simpler pass itf
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@880
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Chris Lattner [Thu, 18 Oct 2001 05:22:27 +0000 (05:22 +0000)]
Convert to new simpler Pass structure
Componentize better
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@879
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Chris Lattner [Thu, 18 Oct 2001 05:22:15 +0000 (05:22 +0000)]
Convert to new simpler Pass structure
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@878
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Chris Lattner [Thu, 18 Oct 2001 05:21:56 +0000 (05:21 +0000)]
Convert to new simpler pass structure
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@877
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Chris Lattner [Thu, 18 Oct 2001 05:20:53 +0000 (05:20 +0000)]
Simplify Pass by removing silly subclasses
Fix an iterator problem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@876
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Chris Lattner [Thu, 18 Oct 2001 01:49:48 +0000 (01:49 +0000)]
Fix minor bug, update comments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@875
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Chris Lattner [Thu, 18 Oct 2001 01:48:09 +0000 (01:48 +0000)]
Change Sources specifier to ExtraSources
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@874
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Chris Lattner [Thu, 18 Oct 2001 01:32:34 +0000 (01:32 +0000)]
Convert optimizations to the pass infrastructure
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@873
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Chris Lattner [Thu, 18 Oct 2001 01:32:17 +0000 (01:32 +0000)]
Pass's return true if they make a modification, not if they fail
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@872
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Chris Lattner [Thu, 18 Oct 2001 01:31:58 +0000 (01:31 +0000)]
Convert optimizations to use the Pass infrastructure
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@871
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Chris Lattner [Thu, 18 Oct 2001 01:31:43 +0000 (01:31 +0000)]
* Passes return true if they change something, not if they fail
* Convert opt to use Pass's and convert optimizations to pass structure
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@870
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Chris Lattner [Thu, 18 Oct 2001 01:31:22 +0000 (01:31 +0000)]
Passes return true if they change something, not if they fail
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@869
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Vikram S. Adve [Thu, 18 Oct 2001 00:26:20 +0000 (00:26 +0000)]
1. Move most of the constant-fixup code into machine-independent file
InstrSelectionSupport.cpp. It now happens in a bottom-up pass on
each BURG tree after the original top-down selection pass on the tree.
2. Handle global values as constants (viz., constant addresses).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@868
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