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Author SHA1 Message Date
Chris Lattner
667ea024b5 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14213 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 00:50:37 +00:00
Chris Lattner
a6f9fe6dbc Fold setcc instructions into select and branches that are not in the same BB as 
the setcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14212 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 00:29:22 +00:00
Brian Gaeke
6713d988a4 Make storeRegToStackSlot slightly shorter. 
Make copyRegToReg return 1 instead of -1.
Edit a comment in emitPrologue().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14211 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:34:48 +00:00
Brian Gaeke
070bb4a8da Set the isBranch and isTerminator flags on branch instructions correctly. 
Add a FIXME about the (currently unused) JMPL instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14210 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:34:29 +00:00
Brian Gaeke
8308d04dbc Emit stores correctly; don't fail an assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14209 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:34:19 +00:00
Brian Gaeke
6c868a4c17 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14208 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:34:08 +00:00
Brian Gaeke
fc7fa31211 Recognize more branches. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14207 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:33:57 +00:00
Brian Gaeke
afe16e1742 I love the smell of a freshly broken PowerPC build in the morning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14206 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:27:04 +00:00
Brian Gaeke
988b7ba5ba Make debugging dumps w/ multiple MachineBBs for a given LLVM BB readable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14205 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:26:53 +00:00
Chris Lattner
ccd9796a46 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14204 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:15:25 +00:00
Chris Lattner
5253f05709 Fix compilation problem on freebsd. Problem noted by Vladimir Merzliakov in 
PR371


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14203 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 21:20:52 +00:00
Brian Gaeke
09c1309814 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14202 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 19:39:23 +00:00
Chris Lattner
f70c22b019 Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14201 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 18:19:28 +00:00
Chris Lattner
5dd04027c7 Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
Delete two functions that are now methods on the Type class


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14200 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 18:16:02 +00:00
Chris Lattner
c2616625a3 Minor cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14199 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 17:56:54 +00:00
Misha Brukman
0603079719 Make header comment fit within 80 cols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14198 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 15:49:36 +00:00
Misha Brukman
b5a2e40dd8 Since the Great LLVM Tool Renaming(tm), we no longer have collisions between our 
assembler/linker and the system equivalents.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14197 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 15:39:58 +00:00
Brian Gaeke
802daf8b7d Fix typo in DEBUG printout. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14196 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 07:26:52 +00:00
Chris Lattner
aebcce8404 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14195 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-16 06:57:29 +00:00
Brian Gaeke
59108d3d40 Add int ferror(FILE *) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14194 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-16 02:56:40 +00:00
Brian Gaeke
694ffc0850 I'm afraid this doesn't exist. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14193 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-16 00:26:45 +00:00
Brian Gaeke
83a7049270 Um, did someone make a typo or something? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14192 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 23:09:50 +00:00
Chris Lattner
4ee623de0b isnan is dead 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14191 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:52:58 +00:00
Chris Lattner
ee98bf5477 llvm.isnan is dead, long live llvm.isunordered! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14190 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:50:46 +00:00
Chris Lattner
4adf066f99 Remove support for llvm.isnan. Alkis wins :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14189 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:48:07 +00:00
Chris Lattner
85a14bb586 This testcase is a bit silly now, but oh well :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14188 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:46:16 +00:00
Chris Lattner
be78ac4422 Remove isnan support, correct isunordered support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14187 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:42:23 +00:00
Chris Lattner
c45ef6d395 Remove support for the isnan intrinsic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14186 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:37:54 +00:00
Chris Lattner
dc5724478e Add basic support for the isunordered intrinsic. The isnan stuff still needs to go 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14185 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:36:44 +00:00
Chris Lattner
5e9a7ca75a Right, stop being silly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14184 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:29:40 +00:00
Chris Lattner
6c07f30dbe Add a nan, stop testing isnan 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14183 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:29:01 +00:00
Brian Gaeke
d6a1053745 Fix thinko in visitor... ShiftInsts should currently be delegated 
to visitBinaryOperator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14182 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:09:46 +00:00
Chris Lattner
d1cd328560 Do not dereference end iterators. It's really bad for the asmwriter's health. 
This possibly fixes PR370


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14181 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:07:32 +00:00
Brian Gaeke
f405280acb I think we'll use the standard lowering passes for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14179 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 20:37:12 +00:00
Brian Gaeke
e14e338724 Fix bug generating code for void call instructions: don't call 
getReg() on void value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14178 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 20:06:32 +00:00
Brian Gaeke
5eb64744d0 Squash a warning from the Solaris assembler by aligning the stack 
on a double-word boundary instead of a single-word boundary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14177 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 19:53:10 +00:00
Brian Gaeke
446ae11d7c Allow special-casing of operand printing based on opcode. Print 
non-register, non-immed. arguments to SETHI and OR using %hi() and
%lo() respectively.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14176 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 19:52:59 +00:00
Brian Gaeke
9df92825e1 Support constant GEP expressions. 
Support copying long constants to register pairs.
Support copying ConstantPointerNulls and ConstantPointerRefs to registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14175 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 19:16:07 +00:00
Misha Brukman
8238c27371 The correct prototype is `int atoi(CONST char*)'. Unbroke AIX build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14173 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-14 16:30:05 +00:00
Misha Brukman
5478c7a18a Add file comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14172 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-14 15:13:59 +00:00
Brian Gaeke
fda2cce3bf 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().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14171 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-14 06:33:19 +00:00
Brian Gaeke
f3210d2c53 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14170 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-14 05:05:45 +00:00
Reid Spencer
4a4bfd87a4 Get rid of "might be uninitialized" warnings when compiling with GCC 3.3.2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14169 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-13 19:17:49 +00:00
Alkis Evlogimenos
df497317f1 Add constant folding capabilities to the isunordered intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14168 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-13 01:23:56 +00:00
Alkis Evlogimenos
26bbe93ec9 Really add the docs this time :-) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14167 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-13 01:16:15 +00:00
Alkis Evlogimenos
ac700ca926 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14165 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-13 00:55:26 +00:00
Alkis Evlogimenos
9685372062 Add the isunordered intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14159 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-12 19:19:14 +00:00
Reid Spencer
06a3db0b0f Reduce the number of columns in the alpha index to 4 so that it fits 
on a 1280x1024 screen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14158 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-12 14:46:02 +00:00
Chris Lattner
51a54e6f1b It is no longer 2001 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14157 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 21:12:22 +00:00
Brian Gaeke
253231eb39 Don't trim @PrevDays (causing an error) if it isn't long enough. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14156 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 19:55:30 +00:00