Commit Graph

6709 Commits

Author SHA1 Message Date
Chris Lattner
d6e23a5104 Fix header
llvm-svn: 14394
2004-06-25 04:24:22 +00:00
Chris Lattner
33ebfe4339 Fix more warnings building with VC++
llvm-svn: 14391
2004-06-25 00:35:55 +00:00
Tanya Lattner
da38dc5180 Made a fix so that you can print out MachineInstrs that belong to a MachineBasicBlock that is not yet attached to a MachineFunction. This change includes changing the third operand (TargetMachine) to a pointer for the MachineInstr::print function.
llvm-svn: 14389
2004-06-25 00:13:11 +00:00
Chris Lattner
6198a05b01 fix warnings
llvm-svn: 14388
2004-06-25 00:11:25 +00:00
Misha Brukman
854b18fd19 Add option to print out machine code before register allocation.
llvm-svn: 14387
2004-06-24 23:55:01 +00:00
Misha Brukman
91ffab9644 Use DEBUG() guard for printing out debug info.
llvm-svn: 14386
2004-06-24 23:54:05 +00:00
Misha Brukman
1d7c31b2c1 Add a `break' in the switch/case statement between the int/fp sections.
llvm-svn: 14385
2004-06-24 23:53:24 +00:00
Misha Brukman
4e3d5069db * Lowercase the register names
* Parenthesize assert() expressions correctly
* Fix spacing around for() and if() statements

llvm-svn: 14384
2004-06-24 23:51:00 +00:00
Misha Brukman
57b3f07b31 * LowercaseString moved to StringExtras.h
* Wrap long line to 80 cols

llvm-svn: 14382
2004-06-24 23:38:20 +00:00
Misha Brukman
5d0be46fb7 * Tabs to spaces
* Send an error message to std::cerr before abort()ing

llvm-svn: 14381
2004-06-24 23:19:36 +00:00
Misha Brukman
b312aa9f4b * Tabs to spaces
* Remove unnecessary parens, braces, clean up code layout

llvm-svn: 14379
2004-06-24 23:04:11 +00:00
Misha Brukman
2faa0989d0 Unindent some more code to be consistent.
llvm-svn: 14377
2004-06-24 22:00:15 +00:00
Misha Brukman
021bf53a50 Unindent some code, it only needs 2 spaces.
llvm-svn: 14376
2004-06-24 21:56:15 +00:00
Misha Brukman
ec698da314 In emitting code for a GEP instr, iterate over GEPTypes because there is one
more operand in GEPOps than there are types in GEPTypes: the pointer that is the
first operand of the GEP instruction.

llvm-svn: 14375
2004-06-24 21:54:47 +00:00
Misha Brukman
da2521c04f * Capitalize `Java'
* Sprinkle hypens liberally
* Fix some grammar in comments

llvm-svn: 14374
2004-06-24 21:47:35 +00:00
Misha Brukman
0a98455ab9 Convert tabs to spaces.
llvm-svn: 14373
2004-06-24 21:31:16 +00:00
Brian Gaeke
67fe35225a Add FSTOD and FDTOS conversion instructions.
llvm-svn: 14372
2004-06-24 21:22:09 +00:00
Brian Gaeke
8ce4fc5917 Support cast float to float, cast double to float, and cast float to double.
(It's not yet clear how to copy doubles from register to register.)

llvm-svn: 14371
2004-06-24 21:22:08 +00:00
Vikram S. Adve
be2d02dd92 This file is unused, and duplicates functionality in TraceValues.cpp.
llvm-svn: 14369
2004-06-24 20:16:22 +00:00
Misha Brukman
0e076dbd7a * Order #includes
* Use the DEBUG() guard for debug printouts

llvm-svn: 14367
2004-06-24 17:31:42 +00:00
Brian Gaeke
003a4a500c Make the double-fp pseudo registers be "NamedRegs".
llvm-svn: 14366
2004-06-24 09:23:21 +00:00
Brian Gaeke
2e0d04003c Fix a dyn_cast in copyConstantToRegister which should have been a cast.
Compactify the code that emits copies of constant ints into registers.

llvm-svn: 14365
2004-06-24 09:17:47 +00:00
Brian Gaeke
734c654e50 The long integer pseudo-regs are history. So long, we hardly knew ye.
llvm-svn: 14364
2004-06-24 08:55:21 +00:00
Brian Gaeke
9a7eca6c51 Use correct add*Imm form in more BuildMI calls.
Fix bug in emitGEPOperation where we weren't passing MBB, IP to getReg.
(hey, wouldn't a constant expression lowering pass be cool? huh huhuhuh)
Fix bug in emitGEPOperation where we might try to OR a constant into a
register which was too big to fit in the immediate field.
Support and, or, xor of longs.

llvm-svn: 14363
2004-06-24 08:55:09 +00:00
Brian Gaeke
99b4ee166c Rename the load and store opcodes. The non-fp ones only have one
variant worth worrying about; the fp ones have two.

llvm-svn: 14362
2004-06-24 07:37:12 +00:00
Brian Gaeke
8f0aac675d Rename the load and store opcodes. The non-fp ones only have one
variant worth worrying about; the fp ones have two.
Add fp stores.

llvm-svn: 14361
2004-06-24 07:36:59 +00:00
Brian Gaeke
e39ef4e8b9 Rename the load and store opcodes. The non-fp ones only have one
variant worth worrying about; the fp ones have two.
Stub out the case analysis of int-to-fp casts (no code yet).
I think the number of operands passed to BuildMI for loads was wrong.
Support load and store of float and double.

llvm-svn: 14360
2004-06-24 07:36:48 +00:00
Chris Lattner
228e6d64d0 Remove distasteful method which is really part of the indvars pass
llvm-svn: 14359
2004-06-24 06:52:20 +00:00
Chris Lattner
b4df848a58 Two fixes. First, stop using the ugly shouldSubstituteIndVar method.
Second, disable substitution of quadratic addrec expressions to avoid putting
multiplies in loops!

llvm-svn: 14358
2004-06-24 06:49:18 +00:00
Brian Gaeke
236ef1542c Strange as it may sound, we'll not use LDD/STD to store longs. For reasons of
representational consistency, we want to address the halves of each 64-bit value
separately.

llvm-svn: 14356
2004-06-24 06:44:57 +00:00
Brian Gaeke
ac14491ad0 Support constant cast expressions.
llvm-svn: 14355
2004-06-24 06:33:00 +00:00
Brian Gaeke
908208bc50 Make the most commonly preselected instructions add to the names of the
instructions they augment, instead of replacing them.  It's good for debugging,
and it's OK for the sparcv9 backend.

llvm-svn: 14353
2004-06-23 21:41:32 +00:00
Misha Brukman
8a1352d1b3 Linker.h moved to include/llvm/Support
llvm-svn: 14349
2004-06-23 17:24:31 +00:00
Misha Brukman
cf1f753730 Moved to lib/VMCore
llvm-svn: 14348
2004-06-23 17:21:17 +00:00
Chris Lattner
4e431080a9 Fix merging of nodes whose incoming offset is not zero. This unbreaks DSA on
several mallocbench programs, including perl.

llvm-svn: 14342
2004-06-23 06:29:59 +00:00
Brian Gaeke
5da0956b27 Use new IsNAN() wrapper.
llvm-svn: 14340
2004-06-23 00:25:35 +00:00
Brian Gaeke
003c5ba4d0 Wrapper for c99 isnan()
llvm-svn: 14338
2004-06-22 23:54:38 +00:00
Brian Gaeke
771e52d494 Add pseudo-registers and register class for 64-bit integer values.
llvm-svn: 14332
2004-06-22 20:14:41 +00:00
Misha Brukman
699226cbe4 File requires IPA, moved to lib/Analysis/IPA
llvm-svn: 14330
2004-06-22 19:04:53 +00:00
Misha Brukman
f940c277df File depends on MemoryDepAnalysis (DSA); moved to lib/Analysis/DataStructure
llvm-svn: 14327
2004-06-22 18:28:37 +00:00
Misha Brukman
170b8a80de Files depend on DSA, moved to lib/Analysis/DataStructure
llvm-svn: 14326
2004-06-22 18:13:24 +00:00
Misha Brukman
43f0a951fe File depends on DSA, moved to lib/Analysis/DataStructure
llvm-svn: 14325
2004-06-22 18:11:38 +00:00
Misha Brukman
f1da4cac4b Making an archive version of the CodeGen library is unnecessary if we just
move InstructionLowering itself.

llvm-svn: 14324
2004-06-22 17:52:30 +00:00
Misha Brukman
261c779bd6 Provide archive version of CodeGen library (for those tools that only need
IntrinsicLowering, for instance).

llvm-svn: 14323
2004-06-22 17:28:43 +00:00
Chris Lattner
26e594052e If an edge points to a field of another memory object, actually reflect this
in the DOT visualization of the DSGraphs.

llvm-svn: 14316
2004-06-22 07:13:10 +00:00
Misha Brukman
6a0ace201c Order #includes as per style guide.
llvm-svn: 14305
2004-06-21 21:54:40 +00:00
Misha Brukman
f12181a902 Use a reference instead of a pointer for the ostream. The pointer was only
there to assist in the development of llvm-tv, and it no longer has a need to
modify the AsmWriter output stream.

llvm-svn: 14304
2004-06-21 21:53:56 +00:00
Misha Brukman
1c33cc1ad1 Direct declaration of namespace-ified globals does not work, must enclose
them with a namespace declaration.

llvm-svn: 14303
2004-06-21 21:44:12 +00:00
Misha Brukman
c66135f976 Specify variables' namespace directly instead of using an enclosing namespace.
llvm-svn: 14302
2004-06-21 21:21:49 +00:00
Misha Brukman
53df2fe9e7 Move implemented interface header up to the top.
llvm-svn: 14301
2004-06-21 21:20:23 +00:00
Misha Brukman
ae07b686fa Spell out `NoFramePointerElim'.
llvm-svn: 14300
2004-06-21 21:18:48 +00:00
Misha Brukman
e38f7ed2cc Spell out `NoFramePointerElim' for readability.
llvm-svn: 14299
2004-06-21 21:17:44 +00:00
Misha Brukman
a2ac4e4345 Use the common `NoFPElim' setting instead of our own.
llvm-svn: 14298
2004-06-21 21:10:24 +00:00
Misha Brukman
2f580c043c Implement `NoFPElim' in a target-agnostic fashion so it can be shared.
llvm-svn: 14297
2004-06-21 21:08:45 +00:00
Misha Brukman
a79674d478 * Make indentation consistent at 2 chars
* Doxygenify function comments
* Wrap code at 80 cols

llvm-svn: 14295
2004-06-21 20:22:03 +00:00
Misha Brukman
4424ef9dd1 This file is no longer applicable.
llvm-svn: 14294
2004-06-21 20:17:41 +00:00
Misha Brukman
3d93b9ccca llvm/IntrinsicLowering.h => llvm/CodeGen/IntrinsicLowering.h
llvm-svn: 14292
2004-06-21 18:30:31 +00:00
Misha Brukman
36089f7034 Intrinsic::isnan has gone away, support for it commented out.
Intrinsic::isunordered has arrived, and we just use the standard lowering
pass for it.

llvm-svn: 14290
2004-06-21 17:58:36 +00:00
Misha Brukman
1c26b2e29d Convert tabs to spaces.
llvm-svn: 14289
2004-06-21 17:41:12 +00:00
Misha Brukman
30e1885192 Type::getPrimitiveID() -> getTypeID()
llvm-svn: 14288
2004-06-21 17:25:55 +00:00
Misha Brukman
76b4796e7c Type::getPrimitiveID() -> getTypeID()
llvm-svn: 14287
2004-06-21 17:19:08 +00:00
Misha Brukman
269034c151 Initial revision
llvm-svn: 14283
2004-06-21 16:55:25 +00:00
Chris Lattner
6be1c456a8 Rename Interval class to LiveInterval to avoid conflicting with the already
existing llvm::Interval class.

Patch contributed by Vladimir Prus!
http://mail.cs.uiuc.edu/pipermail/llvmbugs/2004-June/000710.html

llvm-svn: 14281
2004-06-21 13:10:56 +00:00
Chris Lattner
3a8e3bce6c Make ConstantBool act like a 1 bit ConstantInt, in order to simplify client
code.  Patch contributed by Vladimir Prus.

llvm-svn: 14280
2004-06-21 12:12:12 +00:00
Chris Lattner
97ab2cec69 *FINALLY* Fix a really nasty nondeterministic bug that has been haunting us
since May 1st.  In this code, the pred iterator was being invalidated sometimes
causing the wrong entries to be added to PHI nodes.

The fix for this is to defererence and safe the *PI value before we hack on
branch instructions, which changes use/def chains, which SOMETIMES invalidates
the iterator.

llvm-svn: 14278
2004-06-21 07:19:01 +00:00
Chris Lattner
892df61ed3 Comment out the isnan stuff until we get a proper autoconf test for it
breaking the build on sparc is not acceptable.

llvm-svn: 14277
2004-06-21 06:17:21 +00:00
Chris Lattner
8723083f3b Make order of argument addition deterministic. In particular, the layout
of ConstantInt objects in memory used to determine which order arguments
were added in in some cases.

llvm-svn: 14276
2004-06-21 00:07:58 +00:00
Chris Lattner
fea46da8de REALLY fix PR378: crash in scalar evolution analysis
llvm-svn: 14275
2004-06-20 20:32:16 +00:00
Chris Lattner
59d13ac701 Fix a bug in my change last night that caused a few test failures.
llvm-svn: 14270
2004-06-20 17:01:44 +00:00
Chris Lattner
fb800c656c IntrinsicLowering.cpp now lives in lib/CodeGen/
llvm-svn: 14269
2004-06-20 07:59:27 +00:00
Chris Lattner
cc465361d9 Move the IntrinsicLowering header into the CodeGen directory, as per PR346
llvm-svn: 14266
2004-06-20 07:49:54 +00:00
Chris Lattner
8a9f1ebd22 Move the IntrinsicLowering header into the CodeGen directory
llvm-svn: 14265
2004-06-20 07:46:18 +00:00
Chris Lattner
8c90177e5f Do not sort SCEV objects by address: instead sort by complexity and group
by address.  This prevents the resultant SCEV objects from depending on
where in memory other scev objects happen to live.

llvm-svn: 14263
2004-06-20 06:23:15 +00:00
Chris Lattner
27578fd2f5 Make use of BinaryOperator::create* methods to shrinkify code.
llvm-svn: 14262
2004-06-20 05:04:01 +00:00
Chris Lattner
6324d6d00b Fix the inliner to be deterministic, not letting its output depend on the
relative location of Function objects in memory.

llvm-svn: 14260
2004-06-20 04:11:48 +00:00
Chris Lattner
58b3f16797 Add some DEBUG output to the simplifycfg routines
Fix another non-deterministic behavior, this one should actually speed up the
code though as it was doing silly things.

llvm-svn: 14258
2004-06-20 01:13:18 +00:00
Chris Lattner
39a31b56ac Now that dominator tree children are built in determinstic order, this horrible code
can go away

llvm-svn: 14254
2004-06-19 20:23:35 +00:00
Chris Lattner
a1d29e1b15 compute dominator tree children in a deterministic order that does not depend
on the address of BasicBlock objects in memory.  This eliminates stuff like this:

 Inorder Dominator Tree:
   [1]  %entry
     [2]  %loopentry
-      [3]  %loopexit
       [3]  %no_exit
-        [4]  %endif
         [4]  %then
+        [4]  %endif
+      [3]  %loopexit
       [3]  %return

llvm-svn: 14253
2004-06-19 20:13:48 +00:00
Chris Lattner
ba131c993e Print out immediate dominators in program order, not in random order based on the address
of BasicBlock objects

llvm-svn: 14252
2004-06-19 20:04:47 +00:00
Chris Lattner
ef8a52f263 This will hopefully fix a heisenbug that Vladimir Merzliakov is running
into valiantly trying to compile stuff on freebsd.

llvm-svn: 14251
2004-06-19 19:01:26 +00:00
Chris Lattner
3d68124555 Fix a nasty bug, noticed by Reid
llvm-svn: 14249
2004-06-19 18:15:50 +00:00
Chris Lattner
185f2b060b Fix one source of nondeterminism in the -licm pass: the hoist pass
was processing blocks in whatever order they happened to end up in the
dominator tree data structure.  Force an ordering.

llvm-svn: 14248
2004-06-19 08:56:43 +00:00
Chris Lattner
d2720878ec Change to use the StableBasicBlockNumbering class
llvm-svn: 14247
2004-06-19 08:42:40 +00:00
Chris Lattner
9b19f34fe2 Fix a tiny bug in the -no-aa pass, in which it did not ever get a target data.
This is a regression from 1.2, though noone uses -no-aa anyway

llvm-svn: 14245
2004-06-19 08:05:58 +00:00
Chris Lattner
3aed3a8bf2 Do not let the numbering of PHI nodes placed in the function depend on
non-deterministic things like the ordering of blocks in the dominance
frontier of a BB.  Unfortunately, I don't know of a better way to solve
this problem than to explicitly sort the BB's in function-order before
processing them.  This is guaranteed to slow the pass down a bit, but
is absolutely necessary to get usable diffs between two different tools
executing the mem2reg or scalarrepl pass.

Before this, bazillions of spurious diff failures occurred all over the
place due to the different order of processing PHIs:

-       %tmp.111 = getelementptr %struct.Connector_struct* %upcon.0.0, uint 0, uint 0
+       %tmp.111 = getelementptr %struct.Connector_struct* %upcon.0.1, uint 0, uint 0

Now, the diffs match.

llvm-svn: 14244
2004-06-19 07:40:14 +00:00
Chris Lattner
6e7b76ce94 Do not sort by the address of LLVM ConstantInt* objects. This produces
nondeterministic results that depend on where these objects land in memory.
Instead, sort by the value of the constant, which is stable.

Before this patch, the -simplifycfg pass run from two different compilers
could cause different code to be generated, though it was semantically the
same:

@@ -12258,8 +12258,8 @@
        %s_addr.1 = phi sbyte* [ %s, %entry ], [ %inc.0, %no_exit ]             ; <sbyte*> [#uses=5]
        %tmp.1 = load sbyte* %s_addr.1          ; <sbyte> [#uses=1]
        switch sbyte %tmp.1, label %no_exit [
-                sbyte 0, label %loopexit
                 sbyte 46, label %loopexit
+                sbyte 0, label %loopexit
        ]

We need to stomp all of this stuff out.

llvm-svn: 14243
2004-06-19 07:02:14 +00:00
Chris Lattner
5b4da6dd16 Do not loop over uses as we delete them. This causes iterators to be
invalidated out from under us.  This bug goes back to revision 1.1: scary.

llvm-svn: 14242
2004-06-19 02:02:22 +00:00
Misha Brukman
14bac9f37e * Fix file header and name
* Order #includes alphabetically

llvm-svn: 14234
2004-06-18 15:38:49 +00:00
Misha Brukman
86cea2f60a Use the machine-independent method of querying the page size.
llvm-svn: 14233
2004-06-18 15:34:07 +00:00
Brian Gaeke
26336244f5 .zero doesn't work in the Solaris assembler.
llvm-svn: 14231
2004-06-18 08:59:16 +00:00
Brian Gaeke
6a8de685b3 Get rid of selects the easy way
llvm-svn: 14230
2004-06-18 08:46:15 +00:00
Brian Gaeke
a9daa0a519 Make visitAllocaInst() look more like its X86 counterpart.
llvm-svn: 14229
2004-06-18 08:45:52 +00:00
Brian Gaeke
ab4687b176 Mess around with allocation order. In particular, I think we ought to be
using the local & in regs first because they are not clobbered by calls.

llvm-svn: 14228
2004-06-18 08:19:08 +00:00
Brian Gaeke
f5697cf56c JMPL has a delay slot.
llvm-svn: 14227
2004-06-18 08:18:54 +00:00
Brian Gaeke
2a5dec63a6 Clean up the commented-out F3_3 stuff.
Replace it with a working class for FP instrs.

llvm-svn: 14226
2004-06-18 06:28:21 +00:00
Brian Gaeke
01309de73d Fix jmpl.
Add some FP moves.

llvm-svn: 14225
2004-06-18 06:28:10 +00:00
Brian Gaeke
c045f38dcb Support printing base+offset pairs where the offset is a register.
Use this for printing the jmpl indirect-call instruction.

llvm-svn: 14224
2004-06-18 06:27:59 +00:00
Brian Gaeke
92a3e14ac4 Support intrinsic calls (although no particular intrinsics are supported yet).
Support indirect calls.
Support returning a float value.

llvm-svn: 14223
2004-06-18 06:27:48 +00:00
Chris Lattner
91b27e01b3 Implement Transforms/InstCombine/and.ll:test17, a common case that
occurs due to unordered comparison macros in math.h

llvm-svn: 14221
2004-06-18 06:07:51 +00:00
Chris Lattner
8f9fb1d2ea Do not function resolve intrinsics. This prevents warnings and possible bad
things from happening due to

declare bool %llvm.isunordered(double, double)
declare bool %llvm.isunordered(float, float)

llvm-svn: 14219
2004-06-18 05:50:48 +00:00
Brian Gaeke
c5f1146e62 Add load instructions for floating-point registers.
llvm-svn: 14217
2004-06-18 05:19:27 +00:00
Brian Gaeke
7a618842f1 Support alloca instructions.
Support copying floating-point constants to registers.
Add assertion to visitCallInst to abort if we hit a NULL calledFunction, for now.

llvm-svn: 14216
2004-06-18 05:19:16 +00:00
Chris Lattner
3c61b2dd70 Fix printing of Argument objects, problem found by Patrick Meredith
llvm-svn: 14215
2004-06-18 04:07:20 +00:00
Chris Lattner
9e1bbe86ba Codegen sub C, X a little bit better for register pressure. Instead of
mov REG, C
sub REG, X

generate:

neg X
add X, C

which uses one less reg

llvm-svn: 14213
2004-06-18 00:50:37 +00:00
Chris Lattner
a5750b975a Fold setcc instructions into select and branches that are not in the same BB as
the setcc.

llvm-svn: 14212
2004-06-18 00:29:22 +00:00
Brian Gaeke
b824469b44 Make storeRegToStackSlot slightly shorter.
Make copyRegToReg return 1 instead of -1.
Edit a comment in emitPrologue().

llvm-svn: 14211
2004-06-17 22:34:48 +00:00
Brian Gaeke
9a0dc64af6 Set the isBranch and isTerminator flags on branch instructions correctly.
Add a FIXME about the (currently unused) JMPL instructions.

llvm-svn: 14210
2004-06-17 22:34:29 +00:00
Brian Gaeke
c82f209e72 Emit stores correctly; don't fail an assertion.
llvm-svn: 14209
2004-06-17 22:34:19 +00:00
Brian Gaeke
d084a534a2 Support generating machine instructions for Phi nodes (based on x86, but with
modifications for 1 LLVM BB --> many MBBs).
Fix store operand order: make it always be Base, Offset, SrcReg (think
"[ Base + Offset ] = SrcReg").
Rewrite visitBranchInst() to be even dumber (but working) -- give up on
the branch fallthrough trick, for the time being.
Make visitSetCondInst() work.

llvm-svn: 14208
2004-06-17 22:34:08 +00:00
Brian Gaeke
af2408a4ee Recognize more branches.
llvm-svn: 14207
2004-06-17 22:33:57 +00:00
Brian Gaeke
4a904bfdcc I love the smell of a freshly broken PowerPC build in the morning.
llvm-svn: 14206
2004-06-17 22:27:04 +00:00
Brian Gaeke
6f6eb93de3 Make debugging dumps w/ multiple MachineBBs for a given LLVM BB readable.
llvm-svn: 14205
2004-06-17 22:26:53 +00:00
Chris Lattner
f815117481 Do not fold loads into instructions if it is used more than once. In particular
we do not want to fold the load in cases like this:

  X = load
    = add A, X
    = add B, X

llvm-svn: 14204
2004-06-17 22:15:25 +00:00
Chris Lattner
13cea4ef6f Fix compilation problem on freebsd. Problem noted by Vladimir Merzliakov in
PR371

llvm-svn: 14203
2004-06-17 21:20:52 +00:00
Brian Gaeke
7d711d517b Use addGlobalAddress and addMBB for call & branch targets instead of addPCDisp.
Abort if we see a PCRelativeDisp MachineOperand, to be safe. This matches
the X86 backend.

llvm-svn: 14202
2004-06-17 19:39:23 +00:00
Chris Lattner
0cd29ae2cd Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID()
llvm-svn: 14201
2004-06-17 18:19:28 +00:00
Chris Lattner
00b0a866dd Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID()
Delete two functions that are now methods on the Type class

llvm-svn: 14200
2004-06-17 18:16:02 +00:00
Chris Lattner
18f8ae4e3e Minor cleanup
llvm-svn: 14199
2004-06-17 17:56:54 +00:00
Brian Gaeke
a46100448f Fix typo in DEBUG printout.
llvm-svn: 14196
2004-06-17 07:26:52 +00:00
Chris Lattner
1b8f37597d Fix a recent regression in Applications/sgefa that Alkis pointed out to me.
The vector may actually be empty if the register that we are marking as
recently used is not actually allocatable.  This happens for physical registers
that are not allocatable, like the ST(x) registers on X86.

llvm-svn: 14195
2004-06-16 06:57:29 +00:00
Brian Gaeke
19d2a396da Add int ferror(FILE *)
llvm-svn: 14194
2004-06-16 02:56:40 +00:00
Brian Gaeke
cf3cb8944a Um, did someone make a typo or something?
llvm-svn: 14192
2004-06-15 23:09:50 +00:00
Chris Lattner
7c3600a50e isnan is dead
llvm-svn: 14191
2004-06-15 21:52:58 +00:00
Chris Lattner
9bb0083d16 Remove support for llvm.isnan. Alkis wins :)
llvm-svn: 14189
2004-06-15 21:48:07 +00:00
Chris Lattner
c9a6116586 Remove isnan support, correct isunordered support
llvm-svn: 14187
2004-06-15 21:42:23 +00:00
Chris Lattner
1adcf0441d Remove support for the isnan intrinsic
llvm-svn: 14186
2004-06-15 21:37:54 +00:00
Chris Lattner
d11493d8c4 Add basic support for the isunordered intrinsic. The isnan stuff still needs to go
llvm-svn: 14185
2004-06-15 21:36:44 +00:00
Brian Gaeke
0a7b268b1a Fix thinko in visitor... ShiftInsts should currently be delegated
to visitBinaryOperator.

llvm-svn: 14182
2004-06-15 21:09:46 +00:00
Chris Lattner
8ca8002f88 Do not dereference end iterators. It's really bad for the asmwriter's health.
This possibly fixes PR370

llvm-svn: 14181
2004-06-15 21:07:32 +00:00
Brian Gaeke
5fe5e06bea I think we'll use the standard lowering passes for now.
llvm-svn: 14179
2004-06-15 20:37:12 +00:00
Brian Gaeke
d5f45ba4a1 Fix bug generating code for void call instructions: don't call
getReg() on void value.

llvm-svn: 14178
2004-06-15 20:06:32 +00:00
Brian Gaeke
79008f4648 Squash a warning from the Solaris assembler by aligning the stack
on a double-word boundary instead of a single-word boundary.

llvm-svn: 14177
2004-06-15 19:53:10 +00:00
Brian Gaeke
e02c780919 Allow special-casing of operand printing based on opcode. Print
non-register, non-immed. arguments to SETHI and OR using %hi() and
%lo() respectively.

llvm-svn: 14176
2004-06-15 19:52:59 +00:00
Brian Gaeke
b158cb6411 Support constant GEP expressions.
Support copying long constants to register pairs.
Support copying ConstantPointerNulls and ConstantPointerRefs to registers.

llvm-svn: 14175
2004-06-15 19:16:07 +00:00
Misha Brukman
130e02f232 Add file comment.
llvm-svn: 14172
2004-06-14 15:13:59 +00:00
Brian Gaeke
a4353cabab Quick hack to get this file compiling again on Mac OS X. The right thing to do
is write an autoconf macro that checks whether __isnan or isnan actually works
**using the C++ compiler after #include <cmath>**, instead of doing it the easy
way with AC_CHECK_FUNCS().

llvm-svn: 14171
2004-06-14 06:33:19 +00:00
Brian Gaeke
21e2dd53d8 Make -print-machineinstrs even stronger. You get to see the final code after
peepholing, and make it work the same way in the JIT as in LLC.

llvm-svn: 14170
2004-06-14 05:05:45 +00:00
Alkis Evlogimenos
dd550dc9cd Add constant folding capabilities to the isunordered intrinsic.
llvm-svn: 14168
2004-06-13 01:23:56 +00:00
Alkis Evlogimenos
173e9e832c Make assertions more consistent with the rest of the intrinsic
function verification and make it a requirement that both arguments to
llvm.isunordered are of the same type.

llvm-svn: 14165
2004-06-13 00:55:26 +00:00
Alkis Evlogimenos
9b28aef6cb Add the isunordered intrinsic.
llvm-svn: 14159
2004-06-12 19:19:14 +00:00
Reid Spencer
efdd7cd3ac Implement tracking of bytecode instruction size and the number of long
instructions generated.

llvm-svn: 14154
2004-06-11 15:10:38 +00:00
Chris Lattner
84269aa91e Fix fallout from getOffsetOfLocalArea() being negated. Debugging dumps were being
printed incorrectly, and we were reserving 8 extra bytes of stack space for functions
on X86.

llvm-svn: 14152
2004-06-11 06:37:11 +00:00
Chris Lattner
8dd2380de4 llvm.isnan doesn't access memory
llvm-svn: 14151
2004-06-11 06:17:13 +00:00
Chris Lattner
66790212ba Constant fold the isnan intrinsic
llvm-svn: 14150
2004-06-11 06:16:23 +00:00
Chris Lattner
3a8e675c03 By far, one of the most common uses of isnan is to make 'isunordered'
comparisons.  In an 'isunordered' predicate, which looks like this at
the LLVM level:

        %a = call bool %llvm.isnan(double %X)
        %b = call bool %llvm.isnan(double %Y)
        %COM = or bool %a, %b

We used to generate this code:

        fxch %ST(1)
        fucomip %ST(0), %ST(0)
        setp %AL
        fucomip %ST(0), %ST(0)
        setp %AH
        or %AL, %AH

With this patch, we generate this code:

        fucomip %ST(0), %ST(1)
        fstp %ST(0)
        setp %AL

Which should make alkis happy.  Tested as X86/compare_folding.llx:test1

llvm-svn: 14148
2004-06-11 05:33:49 +00:00
Chris Lattner
f78e3e7f63 Fix bug in previous checkin
llvm-svn: 14146
2004-06-11 05:22:44 +00:00
Chris Lattner
7d8093efb1 No really, these are dead now
llvm-svn: 14145
2004-06-11 04:50:14 +00:00
Chris Lattner
a8e603b719 Now that compare instructions aren't lumped in with the other twoargfp instructions,
we can get rid of the FpUCOM/FpUCOMi pseudo instructions, which makes stuff simpler
and faster.

llvm-svn: 14144
2004-06-11 04:49:02 +00:00
Chris Lattner
b050f778ca Introduce a new FP instruction type to separate the compare cases from the
twoarg cases.

llvm-svn: 14143
2004-06-11 04:41:24 +00:00
Chris Lattner
edb06042b9 Add direct support for the isnan intrinsic, implementing test/Regression/CodeGen/X86/isnan.llx
testcase

llvm-svn: 14141
2004-06-11 04:31:10 +00:00