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d21c325f09
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70 Commits

Author SHA1 Message Date
Nick Lewycky
d21c325f09 Instruction::clone does not need to take an LLVMContext&. Remove that and 
update all the callers.

llvm-svn: 82889
 2009-09-27 07:38:41 +00:00
Victor Hernandez
fe5347d782 Enhance transform passes so that they apply the same tranforms to malloc calls as to MallocInst. 
Reviewed by Dan Gohman.

llvm-svn: 82300
 2009-09-18 22:35:49 +00:00
Chris Lattner
5f54c5bd1c eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 
llvm-svn: 80766
 2009-09-02 06:11:42 +00:00
Chris Lattner
01dae858b6 eliminate the "Value" printing methods that print to a std::ostream. 
This required converting a bunch of stuff off DOUT and other cleanups.

llvm-svn: 79819
 2009-08-23 04:37:46 +00:00
Eli Friedman
7bb0485237 PR4662: Fix a crash introduced by the recent LLVMContext changes. 
llvm-svn: 77716
 2009-07-31 19:36:47 +00:00
Daniel Dunbar
8496064116 More migration to raw_ostream, the water has dried up around the iostream hole. 
- Some clients which used DOUT have moved to DEBUG. We are deprecating the
   "magic" DOUT behavior which avoided calling printing functions when the
   statement was disabled. In addition to being unnecessary magic, it had the
   downside of leaving code in -Asserts builds, and of hiding potentially
   unnecessary computations.

llvm-svn: 77019
 2009-07-25 00:23:56 +00:00
Owen Anderson
cc287b28c9 Get rid of the Pass+Context magic. 
llvm-svn: 76702
 2009-07-22 00:24:57 +00:00
Eli Friedman
b56b3ca224 Replace isTrapping with a new, similar method called 
isSafeToSpeculativelyExecute. The new method is a bit closer to what 
the callers actually care about in that it rejects more things callers 
don't want.  It also adds more precise handling for integer 
division, and unifies code for analyzing the legality of a speculative 
load.

llvm-svn: 76150
 2009-07-17 04:28:42 +00:00
Owen Anderson
4483fbda5e Revert yesterday's change by removing the LLVMContext parameter to AllocaInst and MallocInst. 
llvm-svn: 75863
 2009-07-15 23:53:25 +00:00
Owen Anderson
8c85061ee6 Move EVER MORE stuff over to LLVMContext. 
llvm-svn: 75703
 2009-07-14 23:09:55 +00:00
Owen Anderson
49226b1075 This started as a small change, I swear. Unfortunately, lots of things call the [I|F]CmpInst constructors. Who knew!? 
llvm-svn: 75200
 2009-07-09 23:48:35 +00:00
Owen Anderson
ad3229d281 Thread LLVMContext through the constant folding APIs, which touches a lot of files. 
llvm-svn: 74844
 2009-07-06 18:42:36 +00:00
Dan Gohman
e89dc58a7e Fix a bunch of other places that used operator[] to test whether 
a key is present in a std::map or DenseMap to use find instead.

llvm-svn: 74676
 2009-07-02 00:17:47 +00:00
Duncan Sands
880eaf5278 Allow readonly functions to unwind exceptions. Teach 
the optimizers about this.  For example, a readonly
function with no uses cannot be removed unless it is
also marked nounwind.

llvm-svn: 71071
 2009-05-06 06:49:50 +00:00
Chris Lattner
740eb92968 simplify code. 
llvm-svn: 60190
 2008-11-27 22:56:14 +00:00
Dan Gohman
e1f9be27bc Tidy up several unbeseeming casts from pointer to intptr_t. 
llvm-svn: 55779
 2008-09-04 17:05:41 +00:00
Evan Cheng
b0d847cf05 Revert 52223. 
llvm-svn: 52243
 2008-06-12 20:55:39 +00:00
Evan Cheng
9b0c0a0f00 Avoid duplicating loop header which leads to unnatural loops (and just seem like general badness to me, likely to cause code explosion). 
Patch by Florian Brandner.

llvm-svn: 52223
 2008-06-11 19:07:54 +00:00
Dan Gohman
8b6f4366ae Tidy up BasicBlock::getFirstNonPHI, and change a bunch of places to 
use it instead of duplicating its functionality.

llvm-svn: 51499
 2008-05-23 21:05:58 +00:00
Evan Cheng
ffbaf56075 Do not dup malloc, vector instructions, etc. Throttle the default theshold way down. 
llvm-svn: 51183
 2008-05-16 07:55:50 +00:00
Devang Patel
66480d1c07 Remove useless check. 
Patch by Matthijs Kooijman.

llvm-svn: 51154
 2008-05-15 18:04:29 +00:00
Dale Johannesen
676a1d026b Fix for PR 2323, infinite loop in tail dup. 
llvm-svn: 51063
 2008-05-13 20:06:43 +00:00
Dan Gohman
bab18cae46 Clean up the use of static and anonymous namespaces. This turned up 
several things that were neither in an anonymous namespace nor static
but not intended to be global.

llvm-svn: 51017
 2008-05-13 00:00:25 +00:00
Chris Lattner
4037996a0c replace a slow and verbose version of Instruction::isUsedOutsideOfBlock with 
a call to Instruction::isUsedOutsideOfBlock.

llvm-svn: 50005
 2008-04-20 22:18:22 +00:00
Owen Anderson
8aaa632351 Revert r49614. As Dan pointed out, some of these aren't correct. 
llvm-svn: 49657
 2008-04-14 17:38:21 +00:00
Owen Anderson
b54defaff0 Replace calls of the form V1->setName(V2->getName()) with V1->takeName(V2), 
which is significantly more efficient.

llvm-svn: 49614
 2008-04-13 19:15:17 +00:00
Dan Gohman
a363ba510c Don't include <map> in Pass.h, which doesn't need it. This requires 
adding <map> to many files that actually do need it.

llvm-svn: 48667
 2008-03-21 23:51:57 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Chris Lattner
493f83eeb1 Disable tail duplication of call instructions. The cost 
metric is way off for these in general, and this works around
buggy code like that in PR1764.  we'll see if there is a big
performance impact of this.  If so, I'll revert it tomorrow.

llvm-svn: 43668
 2007-11-04 06:37:55 +00:00
Nick Lewycky
c2306ff5b4 Fix typo in comment. 
llvm-svn: 36873
 2007-05-06 13:37:16 +00:00
Devang Patel
cd45427a87 Drop 'const' 
llvm-svn: 36662
 2007-05-03 01:11:54 +00:00
Devang Patel
8ee9065162 Use 'static const char' instead of 'static const int'. 
Due to darwin gcc bug, one version of darwin linker coalesces
static const int, which defauts PassID based pass identification.

llvm-svn: 36652
 2007-05-02 21:39:20 +00:00
Devang Patel
38a66bc82e Do not use typeinfo to identify pass in pass manager. 
llvm-svn: 36632
 2007-05-01 21:15:47 +00:00
Reid Spencer
8749d297f5 Apply the VISIBILITY_HIDDEN field to the remaining anonymous classes in 
the Transforms library. This reduces debug library size by 132 KB, debug
binary size by 376 KB, and reduces link time for llvm tools slightly.

llvm-svn: 33939
 2007-02-05 23:32:05 +00:00
Chris Lattner
9e7640cf02 Switch over Transforms/Scalar to use the STATISTIC macro. For each statistic 
converted, we lose a static initializer.  This also allows GCC to emit warnings
about unused statistics.

llvm-svn: 32690
 2006-12-19 21:40:18 +00:00
Chris Lattner
a531ce882e Detemplatize the Statistic class. The only type it is instantiated with 
is 'unsigned'.

llvm-svn: 32279
 2006-12-06 17:46:33 +00:00
Bill Wendling
1b3a86000a Removed #include <iostream> and replaced with llvm_* streams. 
llvm-svn: 31923
 2006-11-26 09:46:52 +00:00
Chris Lattner
358e9432a1 set DEBUG_TYPE right 
llvm-svn: 30623
 2006-09-27 04:58:23 +00:00
Chris Lattner
2921612126 Allow tail duplication in more cases, relaxing the previous restriction a 
bit.  This fixes Regression/Transforms/TailDup/MergeTest.ll

llvm-svn: 30237
 2006-09-10 18:17:58 +00:00
Chris Lattner
6aebff10e8 Throttle back tail duplication to avoid creating really ugly sequences of code. 
For Transforms/TailDup/if-tail-dup.ll, f.e., it produces:

_foo:
        movl 8(%esp), %eax
        movl 4(%esp), %ecx
        testl $1, %ecx
        je LBB1_2       #cond_next
LBB1_1: #cond_true
        movl $1, (%eax)
LBB1_2: #cond_next
        testl $2, %ecx
        je LBB1_4       #cond_next10
LBB1_3: #cond_true6
        movl $1, 4(%eax)
LBB1_4: #cond_next10
        testl $4, %ecx
        je LBB1_6       #cond_next18
LBB1_5: #cond_true14
        movl $1, 8(%eax)
LBB1_6: #cond_next18
        testl $8, %ecx
        je LBB1_8       #return
LBB1_7: #cond_true22
        movl $1, 12(%eax)
        ret
LBB1_8: #return
        ret

instead of:

_foo:
        movl 4(%esp), %eax
        testl $2, %eax
        sete %cl
        movl 8(%esp), %edx
        testl $1, %eax
        je LBB1_2       #cond_next
LBB1_1: #cond_true
        movl $1, (%edx)
        testb %cl, %cl
        jne LBB1_4      #cond_next10
        jmp LBB1_3      #cond_true6
LBB1_2: #cond_next
        testb %cl, %cl
        jne LBB1_4      #cond_next10
LBB1_3: #cond_true6
        movl $1, 4(%edx)
        testl $4, %eax
        je LBB1_6       #cond_next18
        jmp LBB1_5      #cond_true14
LBB1_4: #cond_next10
        testl $4, %eax
        je LBB1_6       #cond_next18
LBB1_5: #cond_true14
        movl $1, 8(%edx)
        testl $8, %eax
        je LBB1_8       #return
        jmp LBB1_7      #cond_true22
LBB1_6: #cond_next18
        testl $8, %eax
        je LBB1_8       #return
LBB1_7: #cond_true22
        movl $1, 12(%edx)
        ret
LBB1_8: #return
        ret

llvm-svn: 30158
 2006-09-07 21:30:15 +00:00
Chris Lattner
a39dcb5377 eliminate RegisterOpt. It does the same thing as RegisterPass. 
llvm-svn: 29925
 2006-08-27 22:42:52 +00:00
Chris Lattner
2588f0eb8f Make iostream #inclusion explicit 
llvm-svn: 25514
 2006-01-22 23:32:06 +00:00
Misha Brukman
53e199440e Remove trailing whitespace 
llvm-svn: 21427
 2005-04-21 23:48:37 +00:00
Chris Lattner
ee2f552b0f Do not count debugger intrinsics in size estimation. 
llvm-svn: 18110
 2004-11-22 17:23:57 +00:00
Chris Lattner
b81520727e Speed up the tail duplication pass on the testcase below from 68.2s to 1.23s: 
#define CL0(a) case a: f(); goto c;
 #define CL1(a) CL0(a##0) CL0(a##1) CL0(a##2) CL0(a##3) CL0(a##4) CL0(a##5) \
 CL0(a##6) CL0(a##7) CL0(a##8) CL0(a##9)
 #define CL2(a) CL1(a##0) CL1(a##1) CL1(a##2) CL1(a##3) CL1(a##4) CL1(a##5) \
 CL1(a##6) CL1(a##7) CL1(a##8) CL1(a##9)
 #define CL3(a) CL2(a##0) CL2(a##1) CL2(a##2) CL2(a##3) CL2(a##4) CL2(a##5) \
 CL2(a##6) CL2(a##7) CL2(a##8) CL2(a##9)
 #define CL4(a) CL3(a##0) CL3(a##1) CL3(a##2) CL3(a##3) CL3(a##4) CL3(a##5) \
 CL3(a##6) CL3(a##7) CL3(a##8) CL3(a##9)

 void f();

 void a() {
     int b;
  c: switch (b) {
         CL4(1)
     }
 }

This comes from GCC PR 15524

llvm-svn: 17390
 2004-11-01 07:05:07 +00:00
Chris Lattner
5f0c904ec0 Reduce code growth implied by the tail duplication pass by not duplicating 
an instruction if it can be hoisted to a common dominator of the block.
This implements: test/Regression/Transforms/TailDup/MergeTest.ll

llvm-svn: 16758
 2004-10-06 03:27:37 +00:00
Chris Lattner
c137c9ac39 Prototype these functions more accurately 
llvm-svn: 16432
 2004-09-20 04:43:15 +00:00
Reid Spencer
c6a8d70cff Convert code to compile with vc7.1. 
Patch contributed by Paolo Invernizzi. Thanks Paolo!

llvm-svn: 16368
 2004-09-15 17:06:42 +00:00
Reid Spencer
c4abcbefb1 Changes For Bug 352 
Move include/Config and include/Support into include/llvm/Config,
include/llvm/ADT and include/llvm/Support. From here on out, all LLVM
public header files must be under include/llvm/.

llvm-svn: 16137
 2004-09-01 22:55:40 +00:00
Misha Brukman
2a80e53645 Fix #includes of i*.h => Instructions.h as per PR403. 
llvm-svn: 15328
 2004-07-29 17:05:13 +00:00