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550 Commits

Author SHA1 Message Date
Chris Lattner
789570bafb Custom lower SCALAR_TO_VECTOR into lve*x. 
llvm-svn: 26868
 2006-03-19 06:55:52 +00:00
Chris Lattner
80f9f7138a PPC doesn't have SCALAR_TO_VECTOR 
llvm-svn: 26865
 2006-03-19 06:17:19 +00:00
Chris Lattner
1bd0aaf2b8 rename these nodes 
llvm-svn: 26848
 2006-03-19 01:13:28 +00:00
Nate Begeman
42736d46b2 Remove BRTWOWAY* 
Make the PPC backend not dependent on BRTWOWAY_CC and make the branch
selector smarter about the code it generates, fixing a case in the
readme.

llvm-svn: 26814
 2006-03-17 01:40:33 +00:00
Evan Cheng
7ec94f2ff7 Added getTargetLowering() to TargetMachine. Refactored targets to support this. 
llvm-svn: 26742
 2006-03-13 23:20:37 +00:00
Chris Lattner
6b0947c277 Copysign needs to be expanded everywhere. Note that Alpha and IA64 should 
implement copysign as a native op if they have it.

llvm-svn: 26541
 2006-03-05 05:08:37 +00:00
Chris Lattner
137c02aa60 Compile this: 
void foo(float a, int *b) { *b = a; }

to this:

_foo:
        fctiwz f0, f1
        stfiwx f0, 0, r4
        blr

instead of this:

_foo:
        fctiwz f0, f1
        stfd f0, -8(r1)
        lwz r2, -4(r1)
        stw r2, 0(r4)
        blr

This implements CodeGen/PowerPC/stfiwx.ll, and also incidentally does the
right thing for GCC bugzilla 26505.

llvm-svn: 26447
 2006-03-01 05:50:56 +00:00
Chris Lattner
6ba976b557 Use a target-specific dag-combine to implement CodeGen/PowerPC/fp-int-fp.ll. 
llvm-svn: 26445
 2006-03-01 04:57:39 +00:00
Evan Cheng
ebe1f272b7 Vector op lowering. 
llvm-svn: 26438
 2006-03-01 01:11:20 +00:00
Evan Cheng
305141c1ba - Added option -relocation-model to set relocation model. Valid values include static, pic, 
dynamic-no-pic, and default.
PPC and x86 default is dynamic-no-pic for Darwin, pic for others.
- Removed options -enable-pic and -ppc-static.

llvm-svn: 26315
 2006-02-22 20:19:42 +00:00
Chris Lattner
6bb2c3e9cd split register class handling from explicit physreg handling. 
llvm-svn: 26308
 2006-02-22 00:56:39 +00:00
Chris Lattner
a124432746 Updates to match change of getRegForInlineAsmConstraint prototype 
llvm-svn: 26305
 2006-02-21 23:11:00 +00:00
Evan Cheng
c4cda2b89a Moved PICEnabled to include/llvm/Target/TargetOptions.h 
llvm-svn: 26272
 2006-02-18 00:08:58 +00:00
Chris Lattner
9db5a1fd19 Switch to using getCALLSEQ_START instead of using our own creation calls 
llvm-svn: 26142
 2006-02-13 08:55:29 +00:00
Chris Lattner
abaa15898f Implement getConstraintType for PPC. 
llvm-svn: 26042
 2006-02-07 20:16:30 +00:00
Chris Lattner
50af3c6eb7 Add the simple PPC integer constraints 
llvm-svn: 26027
 2006-02-07 00:47:13 +00:00
Nate Begeman
0be60963bd Fix some of the stuff in the PPC README file, and clean up legalization 
of the SELECT_CC, BR_CC, and BRTWOWAY_CC nodes.

llvm-svn: 25875
 2006-02-01 07:19:44 +00:00
Evan Cheng
f115c17f23 Allow the specification of explicit alignments for constant pool entries. 
llvm-svn: 25855
 2006-01-31 22:23:14 +00:00
Chris Lattner
892fe31362 add info about the inline asm register constraints for PPC 
llvm-svn: 25853
 2006-01-31 19:20:21 +00:00
Nate Begeman
7a83bb4285 Codegen 
bool %test(int %X) {
  %Y = seteq int %X, 13
  ret bool %Y
}

as

_test:
        addi r2, r3, -13
        cntlzw r2, r2
        srwi r3, r2, 5
        blr

rather than

_test:
        cmpwi cr7, r3, 13
        mfcr r2
        rlwinm r3, r2, 31, 31, 31
        blr

This has very little effect on most code, but speeds up analyzer 23% and
mason 11%

llvm-svn: 25848
 2006-01-31 08:17:29 +00:00
Chris Lattner
2ab7f21d20 Functions that are lazily streamed in from the .bc file are *not* external. 
This fixes llvm-test/SingleSource/UnitTests/2006-01-29-SimpleIndirectCall.c
and PR704

llvm-svn: 25793
 2006-01-29 20:49:17 +00:00
Chris Lattner
4c6384a412 Now that OpActions is big enough, we can specify actions for vector types 
llvm-svn: 25784
 2006-01-29 08:41:37 +00:00
Chris Lattner
00e9ba5526 disable this for now 
llvm-svn: 25778
 2006-01-29 07:31:33 +00:00
Chris Lattner
6c4173145e Request expansion of ConstantVec nodes. 
llvm-svn: 25773
 2006-01-29 06:32:58 +00:00
Chris Lattner
5f0a3df176 Targets all now request ConstantFP to be legalized into TargetConstantFP. 
'fpimm' in .td files is now TargetConstantFP.

llvm-svn: 25771
 2006-01-29 06:26:08 +00:00
Chris Lattner
d2eb15f467 Fix a bug in my elimination of ISD::CALL this morning. PPC now has to 
provide the expansion for i64 calls itself

llvm-svn: 25735
 2006-01-28 07:33:03 +00:00
Chris Lattner
6a5d2450a3 Use PPCISD::CALL instead of ISD::CALL 
llvm-svn: 25717
 2006-01-27 23:34:02 +00:00
Chris Lattner
59a4f3f637 Make llvm.frame/returnaddr not crash on ppc 
llvm-svn: 25710
 2006-01-27 22:25:06 +00:00
Nate Begeman
d2c6fbef4a Remove TLI.LowerReturnTo, and just let targets custom lower ISD::RET for 
the same functionality.  This addresses another piece of bug 680.  Next,
on to fixing Alpha VAARG, which I broke last time.

llvm-svn: 25696
 2006-01-27 21:09:22 +00:00
Evan Cheng
7da6daadc7 Set SchedulingForLatency to be the default scheduling preference for all. 
llvm-svn: 25607
 2006-01-25 18:52:42 +00:00
Nate Begeman
c29fac7fce First part of bug 680: 
Remove TLI.LowerVA* and replace it with SDNodes that are lowered the same
way as everything else.

llvm-svn: 25606
 2006-01-25 18:21:52 +00:00
Evan Cheng
c368fb710f Default scheduling preference is SchedulingForLatency. 
llvm-svn: 25603
 2006-01-25 09:15:54 +00:00
Chris Lattner
23da2dc2ac Don't assert on 'select_cc SETUO' 
llvm-svn: 25423
 2006-01-18 19:42:35 +00:00
Chris Lattner
4d2c4cb7a7 Use the default impl of DYNAMIC_STACKALLOC, allowing us to delete some code. 
llvm-svn: 25334
 2006-01-15 09:02:48 +00:00
Nate Begeman
85b2dc0c4e bswap implementation 
llvm-svn: 25312
 2006-01-14 03:14:10 +00:00
Chris Lattner
c615ed65ac implement stacksave/stackrestore on PPC 
llvm-svn: 25277
 2006-01-13 17:52:03 +00:00
Chris Lattner
80fed2d66e expand unsupported stacksave/stackrestore nodes 
llvm-svn: 25272
 2006-01-13 02:42:53 +00:00
Nate Begeman
cff96008ac Add bswap, rotl, and rotr nodes 
Add dag combiner code to recognize rotl, rotr
Add ppc code to match rotl

Targets should add rotl/rotr patterns if they have them

llvm-svn: 25222
 2006-01-11 21:21:00 +00:00
Chris Lattner
5a59c88c17 Fix calls that need to store values in stack slots, to not copy the stack 
pointer.  This allows us to emit stuff like this:

        li r10, 0
        stw r10, 56(r1)
        or r3, r10, r10
        or r4, r10, r10
        or r5, r10, r10
        or r6, r10, r10
        or r7, r10, r10
        or r8, r10, r10
        or r9, r10, r10
        bl L_bar$stub

instead of this:

        or r2, r1, r1     ;; Extraneous copy.
        li r10, 0
        stw r10, 56(r2)
        or r3, r10, r10
        or r4, r10, r10
        or r5, r10, r10
        or r6, r10, r10
        or r7, r10, r10
        or r8, r10, r10
        or r9, r10, r10
        bl L_bar$stub

wowness.

llvm-svn: 25221
 2006-01-11 19:55:07 +00:00
Chris Lattner
6b8fb2e9bc Dead FP arguments still use an incoming FP reg. This fixes 
Regression/CodeGen/PowerPC/2006-01-11-darwin-fp-argument.ll, which was
distilled from a miscompilation in 252.eon.

llvm-svn: 25217
 2006-01-11 18:21:25 +00:00
Chris Lattner
a59d6394d2 Give PPCISD:: nodes legible names in dumps. 
llvm-svn: 25166
 2006-01-09 23:52:17 +00:00
Chris Lattner
d583872b9e linkonce symbols have an extra indirection, just like weak ones do. This fixes 
Prolangs-C++/family and Prolangs-C++/primes.

llvm-svn: 25119
 2006-01-06 01:04:03 +00:00
Jim Laskey
41b3ee3c4f Had expand logic backward. 
llvm-svn: 25105
 2006-01-05 01:47:43 +00:00
Jim Laskey
5eddaee9f3 Added initial support for DEBUG_LABEL allowing debug specific labels to be 
inserted in the code.

llvm-svn: 25104
 2006-01-05 01:25:28 +00:00
Nate Begeman
e1fdcf5a20 Remove a fixme 
llvm-svn: 25045
 2005-12-30 00:11:07 +00:00
Nate Begeman
96c7e22231 Fix one of the things in the todo file, and get a bit closer to folding 
constant offsets from statics into the address arithmetic.

llvm-svn: 24999
 2005-12-24 01:00:15 +00:00
Chris Lattner
8b2bd265f4 make sure bit_converts are expanded 
llvm-svn: 24978
 2005-12-23 05:13:35 +00:00
Chris Lattner
3c4a3dd86e Simplify some code by using BIT_CONVERT 
llvm-svn: 24974
 2005-12-23 00:59:59 +00:00
Nate Begeman
a114534620 Pattern-match return. Includes gross hack! 
llvm-svn: 24874
 2005-12-20 00:26:01 +00:00
Nate Begeman
9c7dce88b5 Convert load/store over to being pattern matched 
llvm-svn: 24871
 2005-12-19 23:25:09 +00:00