23c48d63d6
Finish adding the llvm.readio and llvm.writeio intrinsics.
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Sorry these didn't get in yesterday.
llvm-svn: 12942
2004-04-14 13:46:52 +00:00
6679e46b59
ADd a trivial instcombine: load null -> null
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llvm-svn: 12940
2004-04-14 03:28:36 +00:00
0dc099c2b5
This is the real fix for Codegen/X86/2004-04-13-FPCMOV-Crash.llx which works
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even when the "optimization" I added before is turned off. It generates this
extremely pointless code:
test:
fld QWORD PTR [%ESP + 4]
mov %AL, 0
test %AL, %AL
fcmove %ST(0), %ST(0)
ret
Good thing the optimizer will have removed this before code generation
anyway. :)
llvm-svn: 12939
2004-04-14 02:42:32 +00:00
52acdaacc7
Temporarily hack in the intrinsics that John added. I expect him to finish up their addition, but in the meantime, the build should not be broken.
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llvm-svn: 12938
2004-04-14 02:22:54 +00:00
beded72a08
Added support for the llvm.readio and llvm.writeio intrinsics.
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On x86, memory operations occur in-order, so these are just lowered into
volatile loads and stores.
llvm-svn: 12936
2004-04-13 22:13:14 +00:00
9042e381d8
Implement a small optimization, which papers over the problem in
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X86/2004-04-13-FPCMOV-Crash.llx
A more robust fix is to follow.
llvm-svn: 12935
2004-04-13 21:56:09 +00:00
ed94fef7e3
Fix bug, add support for +/-
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llvm-svn: 12934
2004-04-13 21:48:43 +00:00
8662beeecd
new testcase that crashes the fp stackifier
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llvm-svn: 12932
2004-04-13 21:44:54 +00:00
ed7a7d20c9
We actually don't have spiff anymore
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llvm-svn: 12929
2004-04-13 20:59:47 +00:00
9a3ac1a956
Out with spiff, in with fpcmp
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llvm-svn: 12928
2004-04-13 20:59:24 +00:00
e542c1c422
Remove spiff. Though it looked good, it was not really as spiffy as it seemed
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llvm-svn: 12927
2004-04-13 20:58:42 +00:00
5613bcc258
Okay, spiff is completely incapable of handling files of nontrivial size.
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Here is a simple minimal program that does what we want. Instead of taking
minutes to compare mesa's output, and crashing on binary files (like spiff
does), this take < .02s in the common case and doesn't crash.
llvm-svn: 12926
2004-04-13 20:55:49 +00:00
cb5e795f1f
Add a note
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llvm-svn: 12922
2004-04-13 19:48:55 +00:00
ff9362a8da
Add SCCP support for constant folding calls, implementing:
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test/Regression/Transforms/SCCP/calltest.ll
llvm-svn: 12921
2004-04-13 19:43:54 +00:00
9d42084081
New testcase
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llvm-svn: 12920
2004-04-13 19:43:33 +00:00
ca52d0468e
Add a simple call constant propagation interface.
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llvm-svn: 12919
2004-04-13 19:28:52 +00:00
7dacdb6f13
Add new interfaces
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llvm-svn: 12918
2004-04-13 19:28:32 +00:00
d0dc6d5295
Constant propagation should remove the dead instructions
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llvm-svn: 12917
2004-04-13 19:28:20 +00:00
e3debac3cd
New testcase
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llvm-svn: 12916
2004-04-13 19:28:09 +00:00
9a79ed7b89
Regenerated using autoconf-2.57.
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llvm-svn: 12915
2004-04-13 19:03:49 +00:00
fca4720590
Rewrite POV-Ray check as per PR301
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llvm-svn: 12914
2004-04-13 19:02:51 +00:00
becf6365d6
Increase buffer size again. *sigh*
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llvm-svn: 12912
2004-04-13 18:43:18 +00:00
f37bd007e4
Don't index spiff. It should not count as lines of LLVM code
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llvm-svn: 12911
2004-04-13 18:37:51 +00:00
763596e28d
Fixed sized limits are bad... duh.
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llvm-svn: 12908
2004-04-13 18:34:16 +00:00
7b9733dac2
Really spiff, don't chatter :)
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llvm-svn: 12907
2004-04-13 18:33:21 +00:00
6f6e4b9f59
I don't think we have to have 4 extra allocated (but unused) bytes on the stack.
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llvm-svn: 12905
2004-04-13 18:28:37 +00:00
969795b4ea
I started working on casts, but I don't have anything compilable yet.
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llvm-svn: 12903
2004-04-13 18:27:46 +00:00
bacab88d42
Don't underline diffs
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llvm-svn: 12902
2004-04-13 18:24:01 +00:00
c71b096672
Emit the immediate form of in/out when possible.
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Fix several bugs in the intrinsics:
1. Make sure to copy the input registers before the instructions that use them
2. Make sure to copy the value returned by 'in' out of EAX into the register
it is supposed to be in.
This fixes assertions when using in/out and linear scan.
llvm-svn: 12896
2004-04-13 17:20:37 +00:00
a340febe52
Add immediate forms of in/out. Use let to shorten lines
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llvm-svn: 12895
2004-04-13 17:19:31 +00:00
eaa28a29ae
Add support for new instruction type
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llvm-svn: 12894
2004-04-13 17:18:51 +00:00
27b2e2cdc0
Add support for the printImplicitDefsBefore flag
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llvm-svn: 12893
2004-04-13 17:18:39 +00:00
e342a8ef49
Make the testcase more challenging
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llvm-svn: 12892
2004-04-13 17:18:07 +00:00
34fba8eb00
Reenable library now that the loopsimplify bug is fixed
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llvm-svn: 12891
2004-04-13 16:24:53 +00:00
89e959bb1f
Fix LoopSimplify/2004-04-13-LoopSimplifyUpdateDomFrontier.ll
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LoopSimplify was not updating dominator frontiers correctly in some cases.
llvm-svn: 12890
2004-04-13 16:23:25 +00:00
a7aeb506dd
New testcase where loop simplify is not updating domfrontiers correctly
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llvm-svn: 12889
2004-04-13 16:22:04 +00:00
a6e22814ab
Refactor code a bit to make it simpler and eliminate the goto
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llvm-svn: 12888
2004-04-13 15:21:18 +00:00
54dcea809f
Add notes about some of the code quality improvements that have gone in
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llvm-svn: 12887
2004-04-13 14:43:35 +00:00
277f7e6ebc
Temporary hack to get the nightly tester running
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llvm-svn: 12886
2004-04-13 13:57:29 +00:00
ed868e14ff
Added Spiff.
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llvm-svn: 12885
2004-04-13 13:42:38 +00:00
8417052938
This patch addresses PR35: Loop simplify should reconstruct nested loops.
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This is fairly straight-forward, but was a real nightmare to get just
perfect. aarg. :)
llvm-svn: 12884
2004-04-13 05:05:33 +00:00
ff27406cf9
Clean up the Spiff code so that it emits fewer warnings. This
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consists mostly of changing sloppy K&R C code to slightly more
disciplined K&R C code, and doing the usual things to shut gcc up.
llvm-svn: 12877
2004-04-13 03:24:45 +00:00
2ec7dfc278
Build Spiff directory
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llvm-svn: 12876
2004-04-12 22:53:51 +00:00
4ae2642fd4
Add the Spiff fp-aware diff utility from Bellcore
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llvm-svn: 12875
2004-04-12 22:53:24 +00:00
bb0f2db881
We don't need to insert TargetData into the PassManager here.
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llvm-svn: 12874
2004-04-12 21:46:31 +00:00
176b4c2439
new testcase
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llvm-svn: 12873
2004-04-12 20:59:07 +00:00
8f2df3aa3c
Fix bug introduced in previous commit.
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llvm-svn: 12872
2004-04-12 20:26:39 +00:00
55b7ef5a81
Add some methods that are useful for updating loop information.
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llvm-svn: 12871
2004-04-12 20:26:17 +00:00
7ab640fdcb
Update testcase to illustrate the coalescing problem. The previous one did not work because of a fix in the x86 instruction selector.
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llvm-svn: 12870
2004-04-12 19:04:22 +00:00
0ede7ec4f8
Correctly compute spill weights
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llvm-svn: 12869
2004-04-12 17:39:20 +00:00
John Criswell