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130 Commits

Author SHA1 Message Date
Chris Lattner
0a276257ae Add support for the new varargs intrinsics 
llvm-svn: 9224
 2003-10-18 05:56:40 +00:00
Chris Lattner
f2ed60c0b7 Decrease usage of use_size() 
llvm-svn: 9135
 2003-10-15 16:48:29 +00:00
Misha Brukman
868eac95dd Fix spelling. 
llvm-svn: 9027
 2003-10-10 17:57:28 +00:00
Chris Lattner
fc3f9605a7 Instead of hacking in custom support for Invoke/Unwind, use the LowerInvoke pass 
llvm-svn: 8871
 2003-10-05 19:15:47 +00:00
Chris Lattner
e8ae7bf114 Eliminate support for the llvm.unwind intrinisic, using the Unwind instruction instead 
llvm-svn: 8411
 2003-09-08 19:44:26 +00:00
Chris Lattner
4ad8720f91 Add support for the unwind instruction 
llvm-svn: 8408
 2003-09-08 18:54:55 +00:00
Chris Lattner
062cc9d341 Add support for the llvm.unwind intrinsic, which we codegen to just do an abort 
until we implement unwinding.
Add support for the invoke instruction, which codegens just like a call with
a branch after it.

The end effect of this change is that programs using the invoke instruction,
but never unwinding, will work fine.  Programs that unwind will abort until
we get unwind support.

llvm-svn: 8187
 2003-08-28 21:23:43 +00:00
Chris Lattner
d627d84e23 Implement: Jello/test-constantexpr.ll 
llvm-svn: 8127
 2003-08-24 19:19:47 +00:00
Chris Lattner
f54b131a49 Add support for the sig(set|long)jmp intrinsics 
llvm-svn: 7951
 2003-08-18 16:06:09 +00:00
Brian Gaeke
77c65be59e Factory methods for FunctionPasses now return type FunctionPass *. 
llvm-svn: 7823
 2003-08-13 18:18:15 +00:00
Chris Lattner
17fc21b5fa This is the real fix for the previous register allocator problem. 
Physical registers should not float around.

llvm-svn: 7587
 2003-08-05 00:48:47 +00:00
Chris Lattner
15891a50c1 Fix Bug: test/Regression/Jello/2003-08-03-CallArgLiveRanges.llx 
llvm-svn: 7558
 2003-08-04 02:12:48 +00:00
Chris Lattner
cf28d0f799 Use target specific interface instead of forcing it to be target-generic 
llvm-svn: 7413
 2003-07-30 05:33:48 +00:00
Chris Lattner
40cc4c1392 Rename function to be more consistent with filename 
llvm-svn: 7352
 2003-07-26 23:49:58 +00:00
Chris Lattner
b92653f037 If the pass changes _anything_ it must return true 
llvm-svn: 7344
 2003-07-26 23:05:37 +00:00
Chris Lattner
6ad460b336 Simplify code by using ConstantInt::getRawValue instead of checking to see 
whether the constant is signed or unsigned, then casting

llvm-svn: 7252
 2003-07-23 15:22:26 +00:00
Brian Gaeke
bf46d75365 Please, save your applause^H^H^H^H^H^H^H^Hflames for the end... 
Avoid a fall-through in the (stubby) treatment of the longjmp intrinsic
call which causes llc & lli to core-dump.

Add a sort-of treatment of cast double to ulong. I am not really sure
what a user should expect to see upon casting a negative FP value to
unsigned long long. But with what is given here, I was able to write
a program that could cast -123.456 to ulong and back and get -123.0,
which seems like a step in the right direction.  GCC seems to give you
0. I don't know if I'd consider that useful.

These cases were coming up in GNU coreutils-5.0.

llvm-svn: 7205
 2003-07-18 20:23:43 +00:00
Brian Gaeke
638e6ef31c Use getClassB for load and store; we don't want to abort when we 
try to load or store through a bool*.

llvm-svn: 7195
 2003-07-17 21:30:06 +00:00
Chris Lattner
d212141d9e Setjmp should always return zero if we don't implement longjmp. This avoids 
leaving trash in the register, fixing anagram

llvm-svn: 7013
 2003-06-30 19:35:54 +00:00
Chris Lattner
6b31a873ee Until there is a setjmp/longjmp transformation pass, codegen setjmp as a noop 
and longjmp as an abort!

llvm-svn: 6977
 2003-06-29 16:42:32 +00:00
Chris Lattner
38b7729915 Do not use the inefficient, fixed function, CBW, CDQ, ... instructions 
llvm-svn: 6844
 2003-06-22 03:31:18 +00:00
Chris Lattner
7fb273d416 Minor simplification to 64-bit instsel 
llvm-svn: 6831
 2003-06-21 18:15:27 +00:00
Chris Lattner
2840a1b4ee For 16 and 32-bit multiplies, use the IMUL instruction instead of the MUL instruction. 
This allows us to not force the use of the EAX/AX registers!

llvm-svn: 6830
 2003-06-21 17:16:58 +00:00
Chris Lattner
4a8d96567f Generate code for LONG indexes to getelementptr instructions more efficiently 
llvm-svn: 6828
 2003-06-21 16:01:24 +00:00
Chris Lattner
6a3d2fc70e Implement generation of cmp R, C to not use an extra register 
llvm-svn: 6627
 2003-06-05 19:30:30 +00:00
Chris Lattner
ee044c3179 Special case simple binary operator X op C 
This avoid generating a register to hold C, which in turn speeds up the
  register allocator by a lot: ~9% on 164.gzip and ~17% on 256.bzip2.  This
  also speeds up other passes.  This also speeds up execution of the program
  marginally, and makes the asm much easier to read. :)

llvm-svn: 6626
 2003-06-05 18:28:55 +00:00
Chris Lattner
1cb899dd19 Remove usage of typedef 
llvm-svn: 6583
 2003-06-03 15:41:58 +00:00
Chris Lattner
bf8929c4bb * Implement cast (long|ulong) to bool 
* Fix cast of (short|ushort|int|uint) to bool to work right

llvm-svn: 6510
 2003-06-01 03:38:24 +00:00
Chris Lattner
92eb5bbb15 Add support for shl and shr for 64 bit integer types 
llvm-svn: 6499
 2003-06-01 01:56:54 +00:00
Chris Lattner
f365fdec06 Clean up #includes 
llvm-svn: 6173
 2003-05-13 20:21:19 +00:00
Chris Lattner
19ca50fe2a Make abort more explicit 
llvm-svn: 6151
 2003-05-12 21:16:26 +00:00
Chris Lattner
f1a6a1fde1 Remove the assertion failure of course... doh 
llvm-svn: 6150
 2003-05-12 20:39:39 +00:00
Chris Lattner
ed3b3d7c99 Implement casts from unsigned integers to floating point 
llvm-svn: 6148
 2003-05-12 20:36:13 +00:00
Chris Lattner
a9a5cdb2be Make error messages more useful than jsut an abort 
llvm-svn: 6146
 2003-05-12 20:16:58 +00:00
Chris Lattner
56f8186e3e Do not insert multiple initializations for the same value in a PHI node 
llvm-svn: 6113
 2003-05-12 14:22:21 +00:00
Chris Lattner
78f5953056 Add support for Add, Sub, And, Or, & Xor constant exprs 
llvm-svn: 6049
 2003-05-08 20:49:25 +00:00
Chris Lattner
d747f762ff Add support for variable argument functions! 
llvm-svn: 6046
 2003-05-08 19:44:13 +00:00
Chris Lattner
59c46ee655 IMPLICIT_DEF was not the beautiful elegant solution I thought it was going 
to be.  In fact, it made stuff worse.  :(

llvm-svn: 6013
 2003-05-07 19:21:28 +00:00
Chris Lattner
54c4b56baf Emit pseudo instructions to indicate that some registers are live on entrance 
and exit of the function.  This fixes bug: Jello/2003-05-06-LivenessClobber.llx
and the Fhourstones benchmark

llvm-svn: 6010
 2003-05-06 21:32:22 +00:00
Misha Brukman
bd9b827093 The Hyphenation-Adding Committee is now in session. 
llvm-svn: 5986
 2003-05-03 02:18:17 +00:00
Chris Lattner
1f7fab6047 Fix bogus assert 
llvm-svn: 5949
 2003-04-25 21:58:54 +00:00
Chris Lattner
6ae5107de6 Fix iterator invalidation problem with cast instructions 
llvm-svn: 5876
 2003-04-23 17:57:48 +00:00
Chris Lattner
c40d8cd8cd Implement the constantexpr CAST instruction correctly 
llvm-svn: 5875
 2003-04-23 17:22:12 +00:00
Misha Brukman
c06beb4c03 It's "necessary" to spell "necessarily" correctly. 
llvm-svn: 5833
 2003-04-22 17:54:23 +00:00
Chris Lattner
a48a91d095 Add support for a simple constantexpr: cast of one ptr type to another 
llvm-svn: 5829
 2003-04-21 21:33:44 +00:00
Chris Lattner
bf414ca145 Don't emit unneccesary branch instructions! 
llvm-svn: 5328
 2003-01-16 18:07:23 +00:00
Chris Lattner
7455428f21 Implement optimization folding setcc into branch. 
llvm-svn: 5324
 2003-01-16 16:43:00 +00:00
Chris Lattner
013ad21206 Implement code to keep the stack pointer aligned to an 8 byte boundary. 
This improves the performance of the power benchmark by a few percent.
This will be neccesary for SSE code, which requires 16 byte alignment of
the stack.

llvm-svn: 5320
 2003-01-16 02:20:12 +00:00
Chris Lattner
b27d60ccf1 Rename MachineInstrInfo -> TargetInstrInfo 
llvm-svn: 5272
 2003-01-14 22:00:31 +00:00
Chris Lattner
f3989edae2 * Adjust to use new interfaces, eliminating CurReg stuff 
* Support arbitrary FP constants
* Fix bugs in frame layout for function calls and incoming arguments
* Insert copies for constant arguments to PHI nodes into the BOTTOM of
  predecessor blocks, not the top.
* Implement _floating point_ support: setcc, return, load, store, cast
* Fix several bugs in the cast instruction
* Abstract out call emission and load/store for FP
* Implement malloc/free without previous lowering pass.
* Make use of new forms of MachineOperand
* Implement _long_ support!
* Fix many bugs in FP support
* Change branch from je/jne to je/jmp
* Simplify code generated for GEP instructions

llvm-svn: 5223
 2003-01-13 00:32:26 +00:00