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11875 Commits

Author SHA1 Message Date
Chris Lattner
64965ba8b0 Use PrivateGlobalPrefix for basic block labels. This allows the x86 darwin 
port to properly use L for the bb prefix instead of .


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24454 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 07:43:59 +00:00
Chris Lattner
7f9ccde91e use PrivateGlobalPrefix for basic blocks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24453 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 07:41:05 +00:00
Chris Lattner
2ec30b5e82 Use PrivateGlobalPrefix for basic block labels 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24452 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 07:39:22 +00:00
Chris Lattner
87744a2dbd Use PrivateGlobalPrefix for basic blocks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24451 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 07:38:08 +00:00
Chris Lattner
0a70a49dd6 Switch to the new shared SwitchSection 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24450 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 07:30:28 +00:00
Chris Lattner
4bfa3a3eb0 Start using SwitchSection, allowing globals and functions to be emitted 
to specific sections.  Delete some dead functions copied from the X86 backend.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24449 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 07:26:04 +00:00
Chris Lattner
7b6e53cde7 convert the rest of this over to use SwitchSection 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24448 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 07:16:34 +00:00
Chris Lattner
224cfc2eac Start using the AsmPrinter shared SwitchSection code. This allows the X86 
backend to implement global variables in sections.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24447 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 07:11:11 +00:00
Chris Lattner
f6163a0079 This is now implemented in common codegen code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24446 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 07:06:58 +00:00
Chris Lattner
ac28fbd043 Add section switching to common code generator code. Add a couple of 
asserts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24445 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 07:06:27 +00:00
Chris Lattner
62cbf2aab9 Rename SwitchSection -> switchSection to avoid conflicting with a future 
change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24443 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 06:55:27 +00:00
Chris Lattner
81a994e42e Start using PrivateGlobalPrefix correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24442 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 06:51:52 +00:00
Chris Lattner
f55366e3c2 set PrivateGlobalPrefix on darwin, use it when printing out CP references 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24441 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 06:47:58 +00:00
Chris Lattner
c41cc83117 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24440 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 06:46:22 +00:00
Chris Lattner
81f803df80 Lower READCYCLECOUNTER correctly, preserving the chain result 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24438 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-20 22:57:19 +00:00
Chris Lattner
308575be66 Legalize MERGE_VALUES, expand READCYCLECOUNTER correctly, so it doesn't 
break control dependence.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24437 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-20 22:56:56 +00:00
Chris Lattner
441b223c9b encode rdtsc correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24435 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-20 22:13:18 +00:00
Chris Lattner
81363c3871 use chain operands to ensure the copies don't wander from the rdtsc instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24434 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-20 22:01:40 +00:00
Andrew Lenharth
b873ff322c The second patch of X86 support for read cycle counter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24430 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-20 21:41:10 +00:00
Andrew Lenharth
f70e30b41d The first patch of X86 support for read cycle counter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24429 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-20 21:32:07 +00:00
Chris Lattner
6bf234c4a8 more progress towards bug 291 being finished. Patch by Owen Anderson, 
HAVE_GV case fixed up by me.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24428 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-20 03:45:52 +00:00
Chris Lattner
b67eb9131c Unbreak codegen of bools. This should fix the llc/jit/llc-beta failures 
from last night.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24427 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-19 18:40:42 +00:00
Chris Lattner
3aa2c74e19 Improve Selection DAG printer portability. Patch by Owen Anderson! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24425 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-19 07:44:09 +00:00
Chris Lattner
6adaf79ad7 Teach the x86 backend about the register constraints of its addressing mode. 
Patch by Evan Cheng


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24423 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-19 07:01:30 +00:00
Chris Lattner
be7a2ff2dd Capture more operand info, patch by Evan Cheng 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24422 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-19 07:00:10 +00:00
Chris Lattner
44fa764355 Teach the graph viewer to handle register operands that are zero. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24421 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-19 06:58:46 +00:00
Chris Lattner
b89175feff Silence a bogus warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24420 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-19 05:51:46 +00:00
Chris Lattner
f9ce9fb49b Add load and other support to the dag-dag isel. Patch contributed by Evan 
Cheng!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24419 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-19 02:11:08 +00:00
Chris Lattner
0fb094fd60 Add some method variants, patch by Evan Cheng 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24418 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-19 01:44:53 +00:00
Nate Begeman
5fbb5d2459 Teach LLVM how to scalarize packed types. Currently, this only works on 
packed types with an element count of 1, although more generic support is
coming.  This allows LLVM to turn the following code:

void %foo(<1 x float> * %a) {
entry:
  %tmp1 = load <1 x float> * %a;
  %tmp2 = add <1 x float> %tmp1, %tmp1
  store <1 x float> %tmp2, <1 x float> *%a
  ret void
}

Into:

_foo:
        lfs f0, 0(r3)
        fadds f0, f0, f0
        stfs f0, 0(r3)
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24416 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-19 00:36:38 +00:00
Chris Lattner
1730078d5f Fix a crash building 176.gcc due to my recent patch, which only fixed 
half the problem.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24414 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-18 18:30:47 +00:00
Andrew Lenharth
f27b6145af prevent latent switch creation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24413 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-18 13:57:03 +00:00
Nate Begeman
e21ea61588 Split out the shift code from visitBinary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24412 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-18 07:42:56 +00:00
Chris Lattner
36ba5006df Implement a refinement to the mem2reg algorithm for cases where an alloca 
has a single def.  In this case, look for uses that are dominated by the def
and attempt to rewrite them to directly use the stored value.

This speeds up mem2reg on these values and reduces the number of phi nodes
inserted.  This should address PR665.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24411 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-18 07:31:42 +00:00
Chris Lattner
fed40df846 This needs proper dominance 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24410 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-18 07:29:44 +00:00
Chris Lattner
4b5086cc71 post-dom-frontiers requires proper post-dominance 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24409 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-18 07:28:26 +00:00
Chris Lattner
a1fecc9c26 This requires proper dominance 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24408 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-18 07:27:53 +00:00
Chris Lattner
f124d5e500 add more patterns, patch by Evan Cheng. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24406 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-18 01:04:42 +00:00
Nate Begeman
69a2cf421b Also add the new vector value type here, for completeness. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24405 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-18 00:53:32 +00:00
Chris Lattner
9542f9714e only use dyld stubs if not in ppc-static mode. This completes support for 
non-static codegen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24403 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-17 19:40:30 +00:00
Chris Lattner
ceda605fd7 This was checking the wrong GEP expression. Fixing this fixes a gccas crash 
compiling mysql reported by Ted Kremenek.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24402 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-17 19:35:42 +00:00
Chris Lattner
9ba13e4aef refactor call operand handling to eliminate special cases from printOp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24401 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-17 19:25:59 +00:00
Chris Lattner
3e7f86a037 disentangle call operands from branch operands a bit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24400 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-17 19:16:08 +00:00
Chris Lattner
1d05cb47a9 add an option to generate completely non-pic code, corresponding to what 
gcc -static produces on PPC.  This is used for building kexts and other things.

With this, materializing the address of a global looks like:

        lis r2, ha16(L_H$non_lazy_ptr)
        la r3, lo16(L_H$non_lazy_ptr)(r2)

we're still emitting stubs for functions, which is wrong.  That is next.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24399 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-17 18:55:48 +00:00
Chris Lattner
1df747867c Fix a bug that resistor on IRC hit where we tried to create token factor 
nodes of load results, not of their chain results.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24398 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-17 18:30:17 +00:00
Chris Lattner
3eef4e377c Enable global address legalization, fixing a todo and allowing the removal 
of some code.  This exposes the implicit load from the stubs to the DAG, allowing
them to be optimized by the dag combiner.  It also moves darwin specific stuff
out of the isel into the legalizer, and allows more to be moved to the .td file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24397 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-17 18:26:56 +00:00
Chris Lattner
4f0f86de5f Teach the selector to fold lo(g) into load instruction immediate fields 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24396 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-17 18:02:16 +00:00
Chris Lattner
490ad08097 Generate LA and ADDIS when possible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24395 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-17 17:52:01 +00:00
Chris Lattner
1566613ca4 Use the right accessor to create this node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24394 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-17 17:51:38 +00:00
Chris Lattner
860e8862c1 Add an initial hack at legalizing GlobalAddress into the appropriate nodes 
on Darwin to remove smarts from the isel.  This is currently disabled by
default (uncomment setOperationAction(ISD::GlobalAddress to enable it).
tblgen needs to become smarter about tglobaladdr nodes and bigger patterns
needed to be added to the .td file.  However, we can currently emit stuff like
this:  :)

        li r2, lo16(L_x$non_lazy_ptr)
        lis r3, ha16(L_x$non_lazy_ptr)
        lwzx r2, r3, r2

The obvious improvements will follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24390 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-17 07:30:41 +00:00