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f8492193b9
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10200 Commits

Author SHA1 Message Date
Chris Lattner
f8492193b9 clarify that these are v9 options 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21960 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 19:45:45 +00:00
Chris Lattner
6bc2dc7b2c hide this option 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21959 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 19:44:21 +00:00
Chris Lattner
adf6a965a3 Add an isTailCall flag to LowerCallTo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21958 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 18:50:42 +00:00
Chris Lattner
d71c04199c Handle TAILCALL node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21957 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 18:43:43 +00:00
Chris Lattner
1be4811d34 add 'ret imm' instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21945 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 17:56:48 +00:00
Chris Lattner
32f3cf612e Realize that we don't support fmod directly, fixing CodeGen/Generic/print-arith-fp.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21939 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 16:20:22 +00:00
Chris Lattner
63602fb868 Do not CopyFromReg physregs for live-in values. Instead, create a vreg for 
each live in, and copy the regs from the vregs.  As the very first thing we
do in the function, insert copies from the pregs to the vregs.  This fixes
problems where the token chain of CopyFromReg was not enough to allow reordering
of the copyfromreg nodes and other unchained nodes (e.g. div, which clobbers
eax on intel).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21932 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 07:38:09 +00:00
Chris Lattner
405ef9e28d Emit function entry code after lowering hte arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21931 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 07:33:32 +00:00
Chris Lattner
3aa7832c82 Allow targets to emit code into the entry block of each function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21930 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 07:23:21 +00:00
Chris Lattner
08b22ecc88 calling a function with the wrong CC is undefined, turn it into an unreachable 
instruction.  This is useful for catching optimizers that don't preserve
calling conventions


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21928 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 07:09:09 +00:00
Chris Lattner
712ad0c36d allow a virtual register to be associated with live-in values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21927 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 07:08:07 +00:00
Reid Spencer
fe07581d78 Make sure that decompression checks for the case that bzip2 returns 
BZ_OK (meaning more data is expected) but there is no more input data. In
this case, the input file is probably truncated. Generate an exception that
indicates this case when its detected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21926 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 07:05:37 +00:00
Chris Lattner
efd9168eae When lowering invokes to calls, amke sure to preserve the calling conv. This 
fixes Ptrdist/anagram with x86 llcbeta


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21925 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 06:27:02 +00:00
Chris Lattner
1381dd8a6e Prefer int 0 instead of long 0 for GEP arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21924 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 06:10:12 +00:00
Chris Lattner
eb516e7f0a Fix a problem that nate reduced for me. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21923 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 05:17:00 +00:00
Chris Lattner
9530ddcc60 rename variables and functions to match renamed DAG nodes. Bonus feature: 
I can actually remember which one is which now!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21922 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 05:09:11 +00:00
Chris Lattner
66de05b606 do not call expandop on the same value more than once. This fixes 
X86/2004-02-22-Casts.llx


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21919 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 04:45:13 +00:00
Chris Lattner
a364fa126a fix a bad typeo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21917 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 23:51:40 +00:00
Chris Lattner
128b52d3d7 update comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21916 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 23:24:44 +00:00
Chris Lattner
16cd04d26c rename the ADJCALLSTACKDOWN/ADJCALLSTACKUP nodes to be CALLSEQ_START/BEGIN. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21915 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 23:24:06 +00:00
Chris Lattner
c6f4181923 Add a new -enable-x86-fastcc option that enables passing the first 
two integer values in registers for the fastcc calling conv.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21912 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 23:06:28 +00:00
Chris Lattner
9092fa310c Pass calling convention to use into lower call to 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21900 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 19:56:57 +00:00
Chris Lattner
c57f682113 Pass in Calling Convention to use into LowerCallTo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21899 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 19:56:45 +00:00
Chris Lattner
6649418598 Enable pattern isel by default 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21898 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 19:56:09 +00:00
Chris Lattner
3becf2026b fix expansion of ct[lt]z nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21896 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 19:27:51 +00:00
Chris Lattner
39a8f33630 Expand 64-bit ctlz/cttz nodes for 32-bit targets 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21895 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 19:05:01 +00:00
Chris Lattner
383203b003 Fix uint->fp casts on PPC, allowing UnitTests/2005-05-12-Int64ToFP to 
work on it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21894 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 18:52:34 +00:00
Chris Lattner
45982dad53 Allow something to be legalized multiple times. This can be used to reduce 
legalization iteration


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21892 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 16:53:42 +00:00
Chris Lattner
13689e2009 Oops, don't do this after we figure out where to insert the call chains. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21890 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 07:00:44 +00:00
Chris Lattner
44d105b7fa Make sure to expand all nodes, avoiding unintentional node duplication. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21889 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 06:54:21 +00:00
Chris Lattner
6980d8295f handle a common case generated by the uint64 -> FP code path better 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21888 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 06:27:02 +00:00
Chris Lattner
e131e5b81e add fixme 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21887 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 06:04:14 +00:00
Chris Lattner
4b3141d324 Fix a really horrible problem that causes the JIT to miscompile any program 
that use 64-bit integers on 32-bit hosts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21886 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 06:01:28 +00:00
Chris Lattner
b9fa3bc8f3 Fix a problem where early legalization can cause token chain problems. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21885 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 04:49:08 +00:00
Chris Lattner
9bce0f92c3 These targets don't like setcc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21884 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 02:06:00 +00:00
Chris Lattner
88de6e77bf Make legalize a bit more efficient, and canonicalize sub X, C -> add X, -C 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21882 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 00:17:04 +00:00
Nate Begeman
d7c4a4a6c0 Necessary changes to codegen cttz efficiently on PowerPC 
1. Teach LegalizeDAG how to better legalize CTTZ if the target doesn't have
   CTPOP, but does have CTLZ
2. Teach PPC32 how to do sub x, const -> add x, -const for valid consts
3. Teach PPC32 how to do and (xor a, -1) b -> andc b, a
4. Teach PPC32 that ISD::CTLZ -> PPC::CNTLZW


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21880 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 23:43:56 +00:00
Tanya Lattner
d977095838 Fixed issue that broke ssa. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21878 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 21:45:03 +00:00
Chris Lattner
4548a0ed32 fix some GCC 4 warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21877 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 21:40:40 +00:00
John Criswell
3163e2d9f3 Added support for decomposing constant expressions containing shr and shl 
instructions.
Review of this commit would be greatly appreciated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21876 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 21:16:42 +00:00
Chris Lattner
98cf45bbf6 Fix lowering of ctlz, so now UnitTests/2005-05-11-Popcount-ffs-fls passes 
with the CBE


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21875 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 20:24:12 +00:00
Chris Lattner
a801172e50 Fix lowering of cttz to work with signed values 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21874 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 20:02:14 +00:00
Chris Lattner
86f3e0c24e fix and concisify intinsic lowering for ctpop. Unfortunately, this code 
looks completely untested. :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21873 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 19:42:05 +00:00
Chris Lattner
0d67f0c80f Fix the last remaining bug preventing us from switching the X86 BE over 
from the simple isel to the pattern isel.  This forces inserted libcalls
to serialize against other function calls, which was breaking
UnitTests/2005-05-12-Int64ToFP.  Hopefully this will fix issues on other
targets as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21872 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 19:02:11 +00:00
Chris Lattner
27e9b41464 Do not memoize ADJCALLSTACKDOWN nodes, provide a method to hack on them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21871 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 18:57:39 +00:00
Chris Lattner
16ce0df927 wrap long line 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21870 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 18:57:06 +00:00
Chris Lattner
5c33c9a166 Make sure to legalize generated ctpop nodes, convert tabs to spaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21868 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 18:35:21 +00:00
Duraid Madina
57ff7e5f64 expand count-leading/trailing-zeros; the test 2005-05-11-Popcount-ffs-fls.c 
should now pass (the "LLVM" and "REF" results should be identical)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21866 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 08:45:08 +00:00
Chris Lattner
18aa680a96 Add some notes for expanding clz/ctz 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21862 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 05:27:09 +00:00
Chris Lattner
e3ef0a8b9f Simplify this code, use the proper shift amount 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21861 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 05:21:31 +00:00