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16058 Commits

Author SHA1 Message Date
Chris Lattner
bc4cf8d5b1 For better or worse, load from i1 is assumed to be zero extended. Do not 
form a load from i1 from larger loads that may not be zext'd.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31933 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-27 04:40:53 +00:00
Chris Lattner
f9908172e9 If a brcond condition is promoted, make sure to zero extend it, even if not 
expanded into BR_CC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31932 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-27 04:39:56 +00:00
Reid Spencer
3da59db637 For PR950: 
The long awaited CAST patch. This introduces 12 new instructions into LLVM
to replace the cast instruction. Corresponding changes throughout LLVM are
provided. This passes llvm-test, llvm/test, and SPEC CPUINT2000 with the
exception of 175.vpr which fails only on a slight floating point output
difference.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31931 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-27 01:05:10 +00:00
Bill Wendling
fe6b146dcd Removed #include <iostream> and replace with llvm_* streams. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31927 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-26 10:52:51 +00:00
Bill Wendling
0d45a096cf Remove #include <iostream> and use llvm_* streams instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31925 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-26 10:17:54 +00:00
Bill Wendling
0a81aac4b4 Replace #include <iostream> with llvm_* streams. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31924 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-26 10:02:32 +00:00
Bill Wendling
b742703137 Removed #include <iostream> and replaced with llvm_* streams. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31923 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-26 09:46:52 +00:00
Bill Wendling
62c804a3ea Removed #include <iostream> and used the llvm_cerr/DOUT streams instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31922 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-26 09:17:06 +00:00
Duraid Madina
f525eb9056 fix storing bools to mem and unordered FP ops 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31920 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-26 04:34:26 +00:00
Reid Spencer
9df1246a15 Make the absolute/relative tolerance information easier to read/understand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31908 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-25 08:38:44 +00:00
Reid Spencer
24652d16f8 Add newline at end of file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31902 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-25 05:41:02 +00:00
Nick Lewycky
565706b93e Update to new predicate simplifier VRP design. Fixes PR966 and PR967. 
Remove predicate simplifier from default gcc3 pipeline. New design is too
slow to enable by default.
Add new testcases for problems encountered in development.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31895 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-22 23:49:16 +00:00
Chris Lattner
13c654a42a This xform is handled by FoldOpIntoPhi in visitCastInst in a more elegant way. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31889 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-21 17:05:13 +00:00
Anton Korobeynikov
12c49af81e Refactored *GVRequiresExtraLoad() to Subtarget method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31887 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-21 00:01:06 +00:00
Chris Lattner
e9c9f98f71 in ppc64-mode, don't allocate the 32-bit version of r13 either. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31884 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-20 20:48:05 +00:00
Jim Laskey
0374248e86 Global label not handled correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31883 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-20 20:29:06 +00:00
Chris Lattner
bdc571b7d5 r13 is the thread pointer on darwin/ppc64, don't allocate it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31882 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-20 19:33:51 +00:00
Chris Lattner
3b6f497873 Fix codegen for x86-64 on systems (like ppc or i386) that don't have 64-bit 
features autodetected.  This fixes PR1010 and Regression/CodeGen/X86/xmm-r64.ll
on non-x86-64 hosts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31879 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-20 18:16:05 +00:00
Chris Lattner
32ba1aa204 Fix PR1011 and CodeGen/Generic/2006-11-20-DAGCombineCrash.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31878 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-20 18:05:46 +00:00
Chris Lattner
a138c6c73a setOperand should not zap the operand list or add implicit operands to an 
instruction.  Doing so breaks the FP stackifier, the alpha branch selector
the sparc fpmover.

This fixes PR1012 and CodeGen/X86/fp-stack-compare.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31876 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-20 17:57:22 +00:00
Anton Korobeynikov
a59868519b We should perform extra load for dllimported calls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31874 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-20 10:46:14 +00:00
Reid Spencer
45fb3f3cb2 For PR950: 
First in a series of patches to convert SetCondInst into ICmpInst and
FCmpInst using only two opcodes and having the instructions contain their
predicate value. Nothing uses these classes yet. More patches to follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31867 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-20 01:22:35 +00:00
Reid Spencer
36699cabc5 For PR950: 
Retain the signedness of the old integer types in a new TypeInfo structure
so that it can be used in the grammar to implement auto-upgrade of things
that depended on signedness of types. This doesn't implement any new
functionality in the AsmParser, its just plumbing for future changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31866 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-19 23:07:00 +00:00
Chris Lattner
4b10591265 Don't transform in another bad case: if the block is empty, it should be 
simplified before we do this xform so that our cost model is accurate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31864 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-18 22:25:39 +00:00
Chris Lattner
f10a56a86f Fix another case we *don't* want to do this xform. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31861 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-18 21:56:39 +00:00
Chris Lattner
1ccc4684f3 Implement operator<< for machine basic blocks to make it easier to dump them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31857 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-18 21:47:36 +00:00
Chris Lattner
154e104718 make the previous change more aggressive, moving any block with no fallthrough. 
This speeds up yacr2 by 7% on a core2.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31856 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-18 21:30:35 +00:00
Chris Lattner
a7bef4a4e4 Minor code layout tweak: if we have something like this: 
if (cond) goto BB2
BB1:
    ...
    return;
BB2:
   ...

Move BB1 to the end of the function so that the code falls through in the
non-return case.  This has the effect of moving assert (and other no-return
call) bodies and return blocks out of loops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31855 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-18 20:47:54 +00:00
Chris Lattner
822a879983 Do not convert massive blocks on phi nodes into select statements. Instead 
only do these transformations if there are a small number of phi's.
This speeds up Ptrdist/ks from 2.35s to 2.19s on my mac pro.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31853 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-18 19:19:36 +00:00
Reid Spencer
967413fa20 Have ConstantExprs upgrade opcodes the same way as instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31841 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-18 04:37:19 +00:00
Chris Lattner
b1eb987ccd on ppc64, float arguments take 8-byte stack slots not 4-byte stack slots. 
Also, valist should create a pointer RC reg class value, not a GPRC value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31840 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-18 01:57:19 +00:00
Chris Lattner
ff790894bd make sure to safe LR8 in the right stack slot for PPC64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31839 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-18 01:34:43 +00:00
Chris Lattner
566c1b1a04 Pretty print 'rldicr r2, r2, 2, 61' as 'sldi r2, r2, 2'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31838 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-18 01:23:56 +00:00
Chris Lattner
54e853b8a6 Rewrite the branch selector to be correct in the face of large functions. 
The algorithm it used before wasn't 100% correct, we now use an iterative
expansion model.  This fixes assembler errors when compiling 403.gcc with
tail merging enabled.

Change the way the branch selector works overall: Now, the isel generates
PPC::BCC instructions (as it used to) directly, and these BCC instructions
are emitted to the output or jitted directly if branches don't need
expansion.  Only if branches need expansion are instructions rewritten
and created.  This should make branch select faster, and eliminates the
Bxx instructions from the .td file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31837 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-18 00:32:03 +00:00
Chris Lattner
d5275157b5 add encoding for BCC, after finally wrestling strange ppc/tblgen endianness 
issues to the ground.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31836 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 23:53:28 +00:00
Chris Lattner
18258c6404 convert PPC::BCC to use the 'pred' operand instead of separate predicate 
value and CR reg #.  This requires swapping the order of these everywhere
that touches BCC and requires us to write custom matching logic for
PPCcondbranch :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31835 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 22:37:34 +00:00
Chris Lattner
289c2d5f45 rename PPC::COND_BRANCH to PPC::BCC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31834 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 22:14:47 +00:00
Chris Lattner
df4ed6350b start using PPC predicates more consistently. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31833 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 22:10:59 +00:00
Evan Cheng
b1409ce7ba For unsigned 8-bit division. Use movzbw to set the lower 8 bits of AX while 
clearing the upper 8-bits instead of issuing two instructions. This also
eliminates the need to target the AH register which can be problematic on
x86-64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31832 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 22:10:14 +00:00
Jim Laskey
9dea41d9e1 Hopefully a good crack at making debugging work on intel -disable-fp-elim. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31830 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 21:19:15 +00:00
Jim Laskey
d6fa8c166a Assert unhandled case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31828 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 18:49:39 +00:00
Jim Laskey
2ff5cdb16c 1. Ignore the -disable-fp-elim when the routine is a leaf. 
2. Offsets on 64-bit stores are still in bytes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31824 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 16:09:31 +00:00
Jim Laskey
c1c2f4b52b Typo. Fix the nightly tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31823 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 14:06:41 +00:00
Jim Laskey
5f64a16869 Fixing the ENABLE_OPTIMIZED=1 DISABLE_ASSERTIONS=1 build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31822 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 13:07:55 +00:00
Bill Wendling
ab41c3e6b7 Moved definition of llvm_ostream wrappers to the Streams.cpp file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31819 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 09:54:47 +00:00
Bill Wendling
e562ed1c92 Added wrappers for the std::cerr/std::cout objects. The wrappers will 
soon replace all uses of those objects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31817 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 09:51:22 +00:00
Bill Wendling
0231982b62 Needed <iostream> for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31816 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 09:44:28 +00:00
Bill Wendling
6d99777e33 Needs the iostream include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31815 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 09:38:03 +00:00
Bill Wendling
2e3def1177 Removed iostream #includes. Replaced std::cerr with DOUT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31814 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 08:03:48 +00:00
Bill Wendling
6345d75729 Removed even more std::cerr and #include <iostream> things. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31813 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 07:52:03 +00:00