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1172 Commits

Author SHA1 Message Date
Chris Lattner af2e0373dd SelectNodeTo now returns its result, we must pay attention to it. 
llvm-svn: 24550
 2005-11-30 22:59:19 +00:00
Nate Begeman 11695c0537 Fix a typo in my latest change 
llvm-svn: 24542
 2005-11-30 18:57:39 +00:00
Nate Begeman 6f8c1ace6e No longer track value types for asm printer operands, and remove them as 
an argument to every operand printing function.  Requires some slight
tweaks to x86, the only user.

llvm-svn: 24541
 2005-11-30 18:54:35 +00:00
Chris Lattner 9c7af08bc9 Fix a bug in a recent patch that broke shifts 
llvm-svn: 24526
 2005-11-30 05:11:18 +00:00
Evan Cheng 4eb7af9bc9 Added support to STORE and shifts to DAG to DAG isel. 
llvm-svn: 24525
 2005-11-30 02:51:20 +00:00
Evan Cheng d2cb70513d Fixed a minor bug: - -offset != offset iff offset == MININT 
llvm-svn: 24522
 2005-11-30 01:59:00 +00:00
Evan Cheng 72ab335858 Add more X86 ISel patterns. 
llvm-svn: 24520
 2005-11-29 19:38:52 +00:00
Chris Lattner 9c415364cf No targets support line number info yet. 
llvm-svn: 24513
 2005-11-29 06:16:21 +00:00
Chris Lattner 820c94e467 Add a missed optimization 
llvm-svn: 24495
 2005-11-28 04:52:39 +00:00
Chris Lattner ac6cb46429 Use HasDotTypeDotSizeDirective instead of forELF 
llvm-svn: 24481
 2005-11-21 23:06:54 +00:00
Chris Lattner 78161dbc84 Remove a level of indentation by using a continue. 
llvm-svn: 24479
 2005-11-21 22:48:18 +00:00
Chris Lattner 40f8c8450d Simplify the subtarget info, allow the asmwriter to do some target sensing 
based on TargetType.

llvm-svn: 24478
 2005-11-21 22:43:58 +00:00
Chris Lattner 99be8f766f Use subtarget information computed by X86Subtarget instead of rolling our own. 
llvm-svn: 24477
 2005-11-21 22:39:40 +00:00
Chris Lattner 3eb876117a Make the X86 subtarget compute the basic target type: ELF, Cygwin, Darwin, 
or native Win32

llvm-svn: 24476
 2005-11-21 22:31:58 +00:00
Chris Lattner ebc39f5a9c Add a forELF flag, allowing the removal of forCygwin and simplification of 
conditionals.

llvm-svn: 24475
 2005-11-21 22:19:48 +00:00
Chris Lattner 7df25ab429 simplify and genericize this code 
llvm-svn: 24473
 2005-11-21 19:50:31 +00:00
Chris Lattner 4a7eb5132b prune #include 
llvm-svn: 24468
 2005-11-21 08:33:17 +00:00
Chris Lattner 8a5f3c1b68 Switch to using the shared constant pool printer, along with using shorter 
CPI ids

llvm-svn: 24467
 2005-11-21 08:32:23 +00:00
Chris Lattner 99946fb63f Adjust to capitalized AsmPrinter method names 
llvm-svn: 24456
 2005-11-21 07:51:23 +00:00
Chris Lattner d365627d3e Use PrivateGlobalPrefix for basic block labels. This allows the x86 darwin 
port to properly use L for the bb prefix instead of .

llvm-svn: 24454
 2005-11-21 07:43:59 +00:00
Chris Lattner 050bf2faf8 convert the rest of this over to use SwitchSection 
llvm-svn: 24448
 2005-11-21 07:16:34 +00:00
Chris Lattner 024e32e118 Start using the AsmPrinter shared SwitchSection code. This allows the X86 
backend to implement global variables in sections.

llvm-svn: 24447
 2005-11-21 07:11:11 +00:00
Chris Lattner 2c0b435ba6 Rename SwitchSection -> switchSection to avoid conflicting with a future 
change.

llvm-svn: 24443
 2005-11-21 06:55:27 +00:00
Chris Lattner 618981fd03 Naturally align doubles in the constant pool, set PrivateGlobalPrefix on 
darwin, use it when printing the constant pool indices so the labels are
appropriately private, emit cp entries to .const instead of .data on darwin
and only emit a single .section for the constant pool, not one for each
entry.

llvm-svn: 24440
 2005-11-21 06:46:22 +00:00
Chris Lattner 6c1ca888d4 Lower READCYCLECOUNTER correctly, preserving the chain result 
llvm-svn: 24438
 2005-11-20 22:57:19 +00:00
Chris Lattner d1061ac8d1 encode rdtsc correctly 
llvm-svn: 24435
 2005-11-20 22:13:18 +00:00
Chris Lattner 6df9e11989 use chain operands to ensure the copies don't wander from the rdtsc instruction. 
llvm-svn: 24434
 2005-11-20 22:01:40 +00:00
Andrew Lenharth 0bf68ae434 The second patch of X86 support for read cycle counter. 
llvm-svn: 24430
 2005-11-20 21:41:10 +00:00
Chris Lattner d7102c4980 Teach the x86 backend about the register constraints of its addressing mode. 
Patch by Evan Cheng

llvm-svn: 24423
 2005-11-19 07:01:30 +00:00
Chris Lattner 3f0f71b92b Add load and other support to the dag-dag isel. Patch contributed by Evan 
Cheng!

llvm-svn: 24419
 2005-11-19 02:11:08 +00:00
Chris Lattner 57ce97862d add more patterns, patch by Evan Cheng. 
llvm-svn: 24406
 2005-11-18 01:04:42 +00:00
Chris Lattner 2bf458af92 Add patterns for some 16-bit immediate instructions, patch contributed by 
Evan Cheng.

llvm-svn: 24384
 2005-11-17 02:01:55 +00:00
Chris Lattner 5930d3df3d Add patterns for several simple instructions that take i32 immediates. 
Patch contributed by Evan Cheng!

llvm-svn: 24382
 2005-11-16 22:59:19 +00:00
Chris Lattner 655e7dfd0d initial step at adding a dag-to-dag isel for X86 backend. Patch contributed 
by Evan Cheng!

llvm-svn: 24371
 2005-11-16 01:54:32 +00:00
Chris Lattner 76ac068568 Separate X86ISelLowering stuff out from the X86ISelPattern.cpp file. Patch 
contributed by Evan Cheng.

llvm-svn: 24358
 2005-11-15 00:40:23 +00:00
Chris Lattner b28f214033 Add a new option to indicate we want the code generator to emit code quickly,not spending tons of time microoptimizing it. This is useful for an -O0style of build. 
llvm-svn: 24233
 2005-11-08 02:11:51 +00:00
Chris Lattner b54070745e add a note that Nate mentioned last week 
llvm-svn: 23898
 2005-10-23 21:44:59 +00:00
Chris Lattner 2e81fba9cd Put some of my random notes somewhere public 
llvm-svn: 23897
 2005-10-23 19:52:42 +00:00
Nate Begeman 4dd383120f Invert the TargetLowering flag that controls divide by consant expansion. 
Add a new flag to TargetLowering indicating if the target has really cheap
  signed division by powers of two, make ppc use it.  This will probably go
  away in the future.
Implement some more ISD::SDIV folds in the dag combiner
Remove now dead code in the x86 backend.

llvm-svn: 23853
 2005-10-21 00:02:42 +00:00
Nate Begeman c0896117d3 Remove some dead code now that the dag combiner exists. 
llvm-svn: 23754
 2005-10-15 22:08:02 +00:00
Nate Begeman 9d7008b08d Properly split f32 and f64 into separate register classes for scalar sse fp 
fixing a bunch of nasty hackery

llvm-svn: 23735
 2005-10-14 22:06:00 +00:00
Chris Lattner 9982da2703 silence some warnings 
llvm-svn: 23594
 2005-10-02 16:29:36 +00:00
Chris Lattner bb1c9ecb17 simplify this code using the new regclass info passed in 
llvm-svn: 23557
 2005-09-30 17:12:38 +00:00
Chris Lattner a654525c1c Pass extra regclasses into spilling code 
llvm-svn: 23537
 2005-09-30 01:29:42 +00:00
Chris Lattner 0815dcae3f Add FP versions of the binary operators, keeping the int and fp worlds seperate. 
Though I have done extensive testing, it is possible that this will break
things in configs I can't test.  Please let me know if this causes a problem
and I'll fix it ASAP.

llvm-svn: 23505
 2005-09-28 22:29:17 +00:00
Chris Lattner de3c87a2ab Implement the isLoadFromStackSlot interface 
llvm-svn: 23387
 2005-09-19 05:23:44 +00:00
Chris Lattner 2e84be22a8 give all operands names 
llvm-svn: 23356
 2005-09-14 21:10:24 +00:00
Chris Lattner b42e962d23 fix a major regression from my patch this afternoon 
llvm-svn: 23347
 2005-09-14 06:06:45 +00:00
Chris Lattner fb96e50b8c This code is no longer needed, it is moved to the target-indep code 
llvm-svn: 23332
 2005-09-13 19:31:44 +00:00
Chris Lattner 210975cfbb Handle any_extend like zext 
llvm-svn: 23202
 2005-09-02 00:16:09 +00:00