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29414 Commits

Author SHA1 Message Date
Lauro Ramos Venancio 7ae4f5599e ARM fix: Miscompilation when frame pointer can't be eliminated. Uninitialized frame pointer register is used. 
llvm-svn: 33703
 2007-01-31 13:12:46 +00:00
Evan Cheng 143576ddd2 Specify the right CC for comparison libcalls. 
llvm-svn: 33702
 2007-01-31 09:30:58 +00:00
Evan Cheng 53026f1d5a Allow the target to override the ISD::CondCode that's to be used to test the 
result of the comparison libcall against zero.

llvm-svn: 33701
 2007-01-31 09:29:11 +00:00
Evan Cheng 98aa8cbf4e Added O_F32 and O_64 in addition to UO_F32 and UO_64 even though by 
default they call the same libgcc routine. The result of the calls are
"tested" differently.

llvm-svn: 33700
 2007-01-31 09:26:31 +00:00
Evan Cheng 491fcdb49b Observe -soft-float. 
llvm-svn: 33699
 2007-01-31 08:40:13 +00:00
Chris Lattner 0dbb13735e minor cleanups. Fix off-by-one in accounting the number of nodes when the 
table grows.

llvm-svn: 33698
 2007-01-31 06:04:41 +00:00
Chris Lattner d700d9dde4 shutdown at end of run 
llvm-svn: 33697
 2007-01-31 04:45:28 +00:00
Chris Lattner 55ce85c6f9 regenerate 
llvm-svn: 33696
 2007-01-31 04:44:08 +00:00
Chris Lattner 10aad380f9 eliminate a temporary vector 
llvm-svn: 33695
 2007-01-31 04:43:46 +00:00
Chris Lattner 64a2909f08 elimiante a temporary vector 
llvm-svn: 33694
 2007-01-31 04:42:05 +00:00
Chris Lattner f96f4a874c eliminate temporary vectors 
llvm-svn: 33693
 2007-01-31 04:40:53 +00:00
Chris Lattner 302116a5ec Revise APIs for creating constantexpr GEPs to not require the use of vectors. 
This allows us to eliminate many temporary vectors, and theirassociated malloc/free pairs.

llvm-svn: 33692
 2007-01-31 04:40:28 +00:00
Chris Lattner 64488b1cc3 Revise APIs for creating constantexpr GEPs to not require the use of 
vectors.  This allows us to eliminate many temporary vectors, and their
associated malloc/free pairs.

llvm-svn: 33691
 2007-01-31 04:39:29 +00:00
Evan Cheng 345877e77c - Added Thumb constpool island support. 
- Islands are inserted right after the user MI since thumb LDR cannot encode
  negative offset.

llvm-svn: 33690
 2007-01-31 02:22:22 +00:00
Reid Spencer 2970eeb003 Fix version information for new instructions. 
llvm-svn: 33689
 2007-01-31 01:18:59 +00:00
Chris Lattner aa17576933 Move symbolic constant folding code to libanalysis. 
llvm-svn: 33688
 2007-01-31 00:53:10 +00:00
Chris Lattner 44d68b9af7 Move some symbolic constant folding code out of instcombine into a place 
it can be used by multiple clients.  This specifically allows the inliner
to constant fold symbolically.

llvm-svn: 33687
 2007-01-31 00:51:48 +00:00
Reid Spencer 216b9e3896 Correct the instruction op codes to meet current head changes. 
llvm-svn: 33686
 2007-01-31 00:38:46 +00:00
Reid Spencer 8ad541d5a8 Excise documentation about Compaction Tables. 
llvm-svn: 33685
 2007-01-31 00:26:08 +00:00
Chris Lattner 373dee0947 The local "ConstantFold" method is now just a watered down version of 
ConstantFoldInstOperands.  Switch to ConstantFoldInstOperands and remove
ConstantFold.

llvm-svn: 33683
 2007-01-30 23:52:44 +00:00
Chris Lattner 86e359e5cb Make this a *real* header: 
1. Remove using namespace llvm;
  2. Remove unneeded #includes.
  3. Add #include guard.

Also add prototypes for new code moved from transformutils to libanalysis.

llvm-svn: 33682
 2007-01-30 23:47:35 +00:00
Chris Lattner ec84c162d8 move constant folding code out of Utils/Local into libanalysis 
llvm-svn: 33681
 2007-01-30 23:46:43 +00:00
Chris Lattner 024f4ab383 Adjust #includes to match movement of constant folding code from transformutils to libanalysis. 
llvm-svn: 33680
 2007-01-30 23:46:24 +00:00
Chris Lattner 2ae054adb0 move a bunch of constant folding code f rom Transforms/Utils/Local.cpp into 
libanalysis/ConstantFolding.cpp.

llvm-svn: 33679
 2007-01-30 23:45:45 +00:00
Chris Lattner 14789a92e1 remove now-dead code. 
llvm-svn: 33678
 2007-01-30 23:29:47 +00:00
Chris Lattner f94bed3f13 the inliner pass now passes targetdata down through the inliner api's 
llvm-svn: 33677
 2007-01-30 23:28:39 +00:00
Chris Lattner ad84a730ba The inliner/cloner can now optionally take TargetData info, which can be 
used by constant folding.

llvm-svn: 33676
 2007-01-30 23:22:39 +00:00
Chris Lattner a94523df7b reformat comment 
llvm-svn: 33675
 2007-01-30 23:16:22 +00:00
Chris Lattner e3eda25641 pass TD to constant folding apis 
llvm-svn: 33674
 2007-01-30 23:16:15 +00:00
Chris Lattner 8dbea5454d adjust to constant folding api changes. 
llvm-svn: 33673
 2007-01-30 23:15:43 +00:00
Chris Lattner 0d74d3c09b use smallvector instead of vector to make constant folding a bit more efficient 
llvm-svn: 33672
 2007-01-30 23:15:19 +00:00
Chris Lattner 6fc4b46d43 adjust to api change 
llvm-svn: 33671
 2007-01-30 23:14:52 +00:00
Chris Lattner 2c4610e4ca Change constant folding APIs to take an optional TargetData, and change 
ConstantFoldInstOperands/ConstantFoldCall to take a pointer to an array
of operands + size, instead of an std::vector.

In some cases, switch to using a SmallVector instead of a vector.
This allows us to get rid of some special case gross code that was there
to avoid the cost of constructing a vector.

llvm-svn: 33670
 2007-01-30 23:13:49 +00:00
Chris Lattner 1e6cf2ee3c Change constant folding APIs to take an optional TargetData, and change 
ConstantFoldInstOperands/ConstantFoldCall to take a pointer to an array
of operands + size, instead of an std::vector.

llvm-svn: 33669
 2007-01-30 23:12:47 +00:00
Evan Cheng 421fdb2a7e Combine two tests. 
llvm-svn: 33668
 2007-01-30 23:06:22 +00:00
Evan Cheng dd7a688bb8 During PEI, if the immediate value of sp + offset is too large (i.e. something 
that would require > 3 instructions to materialize), load the immediate from a
constpool entry.

llvm-svn: 33667
 2007-01-30 23:01:46 +00:00
Chris Lattner 2b15f2ba9d remove some bits that are not yet meant to land. 
llvm-svn: 33666
 2007-01-30 22:50:32 +00:00
Chris Lattner 4284f6463a Symbolically evaluate constant expressions like &A[123] - &A[4].f. 
This occurs in C++ code like:

#include <iostream>
#include <iterator>
int a[] = { 1, 2, 3, 4, 5 };
int main() {
  using namespace std;
  copy(a, a + sizeof(a)/sizeof(a[0]), ostream_iterator<int>(cout, "\n"));
  return 0;
}

Before we would decide the loop trip count is:
sdiv (i32 sub (i32 ptrtoint (i32* getelementptr ([5 x i32]* @a, i32 0, i32 5) to i32), i32 ptrtoint ([5 x i32]* @a to i32)), i32 4)

Now we decide it is "5".  Amazing.

This code will need to be refactored, but I'm doing that as a separate
commit.

llvm-svn: 33665
 2007-01-30 22:32:46 +00:00
Evan Cheng 83f35170fa - Fix codegen for pc relative constant (e.g. JT) in thumb mode: 
.set PCRELV0, (LJTI1_0_0-(LPCRELL0+4))
LPCRELL0:
        add r1, pc, #PCRELV0
This is not legal since add r1, pc, #c requires the constant be a multiple of 4.
Do the following instead:
        .set PCRELV0, (LJTI1_0_0-(LPCRELL0+4))
LPCRELL0:
        mov r1, #PCRELV0
        add r1, pc

- In thumb mode, it's not possible to use .set generate a pc relative stub
  address. The stub is ARM code which is in a different section from the thumb
  code. Load the value from a constpool instead.
- Some asm printing clean up.

llvm-svn: 33664
 2007-01-30 20:37:08 +00:00
Reid Spencer 5301e7c605 For PR1136: Rename GlobalVariable::isExternal as isDeclaration to avoid 
confusion with external linkage types.

llvm-svn: 33663
 2007-01-30 20:08:39 +00:00
Reid Spencer 3a0bbb0a4d Compaction tables no longer supported, remove its block ID. 
llvm-svn: 33662
 2007-01-30 19:37:26 +00:00
Reid Spencer f1826e2adf Bye, Bye Compaction Tables. The benefit compaction tables provides doesn't 
outweight its computational costs. This patch removes all compaction
table handling from the bcreader and bcwriter. For the record, here's the
difference betweeen having and not having compaction tables for some tests:

Test             With       Without   Size Chg
Olden/mst       5,602         5,598      +0.1%
viterbi        18,026        17,795      +1.3%
obsequi       162,133       166,663      -2.8%
burg          224,090       228,148      -1.8%
kimwitu++   4,933,263     5,121,159      -3.8%
176.gcc     8,470,424     9,141,539      -7.3%

It seems that it is more beneficial to larger files, but even on the largest
test case we have (176.gcc) it only amounts ot an I/O saving of 7.3%.

llvm-svn: 33661
 2007-01-30 19:36:46 +00:00
Reid Spencer af6a408117 For PR411: 
Update these tests to not use the same name even though the type of the
value differs. After PR411 hits, type planes will be gone and it will be
illegal for a name to be used twice, regardless of type.

llvm-svn: 33660
 2007-01-30 16:16:01 +00:00
Reid Spencer 6f880918d0 Add a gxxcmd variable for the g++ command line used to build llvm. 
llvm-svn: 33659
 2007-01-30 16:06:55 +00:00
Evan Cheng 95b85e34ff Copy and paste bug. 
llvm-svn: 33658
 2007-01-30 08:22:33 +00:00
Evan Cheng 0e083d0161 Darwin -static should codegen static ctors / dtors to .constructor / .destructor sections. 
llvm-svn: 33657
 2007-01-30 08:04:53 +00:00
Evan Cheng ce8fa3ed83 Misseed thumb jumptable branch. 
llvm-svn: 33656
 2007-01-30 08:03:06 +00:00
Reid Spencer 6ebc06f702 Make the input legal. 
llvm-svn: 33655
 2007-01-30 06:32:25 +00:00
Evan Cheng fcb9b8b0b7 Add / merge tests. 
llvm-svn: 33654
 2007-01-30 03:06:19 +00:00
Evan Cheng e43ca022bf In thumb mode, round up stack frame size to multiple of 4 since add/sub 
sp, imm instructions implicitly multiply the offset by 4.

llvm-svn: 33653
 2007-01-30 02:57:02 +00:00