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Author SHA1 Message Date
Chris Lattner
1956d15676 introduce a isTypeInSSEReg predicate, which allows us to simplify 
some code.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46055 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-16 06:19:45 +00:00
Chris Lattner
7ff79c2d9d My previous commit had an incomplete message, it should have been: 
make the 'fp return in ST(0)' optimization smart enough to
look through token factor nodes.  THis allows us to compile 
testcases like CodeGen/X86/fp-stack-retcopy.ll into:

_carg:
	subl	$12, %esp
	call	L_foo$stub
	fstpl	(%esp)
	fldl	(%esp)
	addl	$12, %esp
	ret

instead of:

_carg:
	subl	$28, %esp
	call	L_foo$stub
	fstpl	16(%esp)
	movsd	16(%esp), %xmm0
	movsd	%xmm0, 8(%esp)
	fldl	8(%esp)
	addl	$28, %esp
	ret

Still not optimal, but much better and this is a trivial patch.  Fixing 
the rest requires invasive surgery that is is not llvm 2.2 material.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46054 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-16 05:56:59 +00:00
Chris Lattner
142fb3fee8 make the 'fp return in ST(0)' optimization smart enough to 
look through token factor


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46053 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-16 05:53:06 +00:00
Chris Lattner
b4a6eaa75b various whitespace cleanups, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46052 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-16 05:52:18 +00:00
Chris Lattner
572dee71af Factor the ReachesChainWithoutSideEffects out of dag combiner into 
a public SDOperand::reachesChainWithoutSideEffects method.  No 
functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46050 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-16 05:49:24 +00:00
Devang Patel
8c231e5dda Do not strip llvm.used values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46045 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-16 03:33:05 +00:00
Ted Kremenek
316e984471 Changed ImmutableMap::find to return an iterator instead of a pointer 
to the tree node.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46034 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 23:53:53 +00:00
Devang Patel
5e563c3264 - Introduces versioning macro LLVM_LTO_VERSION 
- Communicate symbol visibility
- Communicate code generation model


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46033 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 23:52:34 +00:00
Chris Lattner
6e0a529218 Commit a piece that I missed before, patch by Alain Frisch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46032 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 23:27:40 +00:00
Dale Johannesen
0991d0b7be Missed file from previous checkin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46030 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 23:25:27 +00:00
Dale Johannesen
4af3494452 Fix and enable EH for x86-64 Darwin. Adds 
ShortenEHDataFor64Bits as a not-very-accurate
abstraction to cover all the changes in DwarfWriter.
Some cosmetic changes to Darwin assembly code for
gcc testsuite compatibility.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46029 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 23:24:56 +00:00
Owen Anderson
40a627ddf8 Move some calls to getVRegDef higher in the callgraph, so they don't get executed as frequently in performance sensitive code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46027 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:58:11 +00:00
Chris Lattner
163974de47 improve compatibility with mingw, patch by Alain Frisch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46026 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:50:50 +00:00
Chris Lattner
beb168992f add a test to ensure that argpromote of one argument doesn't 
break the byval attr on some other argument.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46025 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:38:12 +00:00
Anton Korobeynikov
4cb8618d7f Add description of 'llvm.trap' intrinsic. Also, minor fixes in formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46024 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:31:34 +00:00
Chris Lattner
e07704fc84 verify x86 generates ud2 for llvm.trap 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46023 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:22:02 +00:00
Evan Cheng
426df7538d Unbreak the build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46021 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:19:35 +00:00
Chris Lattner
9a856b049d new testcase for llvm.trap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46020 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:17:26 +00:00
Chris Lattner
e46307a54c If someone wants to implement ppc TRAP, they can go for it :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46019 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:15:02 +00:00
Chris Lattner
034f12ea08 The type of the 'abort' node should be pointer type (because 
it's a function pointer) not MVT::Other.  This fixes builtin_trap
lowering on ppc, alpha, ia64


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46018 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:09:33 +00:00
Chris Lattner
48be23cd65 rename SDTRet -> SDTNone. 
Move definition of 'trap' sdnode up from x86 instrinfo to targetselectiondag.td.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46017 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:02:54 +00:00
Owen Anderson
7047dd4d22 Remove DefInst from LiveVariables::VarInfo. Use the facilities on MachineRegisterInfo instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46016 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:02:46 +00:00
Chris Lattner
da68d30d24 no need to expand ISD::TRAP to X86ISD::TRAP, just match ISD::TRAP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46015 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 21:58:22 +00:00
Chris Lattner
41bab0beac Add support for targets that have a legal ISD::TRAP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46014 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 21:58:08 +00:00
Chuck Rose III
9a79de3d09 Add files to windows project files. Also include <algorithm> explicitly so that vstudio build works 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46013 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 21:43:17 +00:00
Anton Korobeynikov
6bf3ba67a5 Fix JIT encoding of trap/ud2 instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46012 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 21:40:02 +00:00
Bill Wendling
585e64e63e Reformatted. It was confusing the other way. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46009 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 21:16:32 +00:00
Gordon Henriksen
afa47c5a26 Fix a memory correctness error noticed by valgrind (harmless in practice). 
Thanks to Duncan Sands for noticing it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46007 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 20:02:11 +00:00
Duncan Sands
fdd75125b8 Testcase for gimplify_expr crash caused by an 
unexpected placeholder_expr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46006 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 19:55:41 +00:00
Evan Cheng
e14af4fe74 Oops. Forgot to commit this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46003 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 07:49:54 +00:00
Evan Cheng
4c46fc6bbf Oops. Forgot to commit this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46002 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 07:49:36 +00:00
Anton Korobeynikov
66fac79b89 For PR1839: add initial support for __builtin_trap. llvm-gcc part is missed 
as well as PPC codegen


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46001 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 07:02:33 +00:00
Chris Lattner
0747baaf6a clarify that byval is valid for any pointer argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45998 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 04:34:22 +00:00
Evan Cheng
6bfa8a121d Rename CCIfStruct to CCIfByVal and CCStructAssign to CCPassByVal. Remove unused parameters of CCStructAssign and add size and alignment requirement info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45997 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 03:34:58 +00:00
Evan Cheng
bdfd5ef823 Both x86-32 and x86-64 handle byval parameter attributes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45996 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 03:15:41 +00:00
Evan Cheng
c67e6e8e82 ByVal stack slot alignment should be at least as large as pointer ABI alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45995 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 03:14:05 +00:00
Evan Cheng
5daafa9b1b Revert my last commit. Not needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45994 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 03:10:35 +00:00
Duncan Sands
15ea48c9ce Simplify CallInst::hasByValArgument using a new method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45974 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-14 19:57:00 +00:00
Duncan Sands
b0c9b93bb4 I noticed that the trampoline straightening transformation could 
drop attributes on varargs call arguments.  Also, it could generate
invalid IR if the transformed call already had the 'nest' attribute
somewhere (this can never happen for code coming from llvm-gcc,
but it's a theoretical possibility).  Fix both problems.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45973 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-14 19:52:09 +00:00
Chris Lattner
459525df1e don't create the post-ra scheduler unless it is enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45972 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-14 19:00:06 +00:00
Chris Lattner
a6c3f80d97 remove dead #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45971 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-14 18:45:28 +00:00
Evan Cheng
3d64f1c018 Need a space to separate Make options. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45964 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-14 17:58:03 +00:00
Duncan Sands
02e30d70e2 This test is now the same as byval-1.ll, so remove it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45960 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-14 14:57:30 +00:00
Duncan Sands
559ad3c2c2 Test that byval cannot be used with pointers to 
types with no size.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45959 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-14 14:55:05 +00:00
Duncan Sands
d6a844cda8 We now allow byval on fairly general pointer types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45956 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-14 06:53:45 +00:00
Chris Lattner
3cc838433a Improve the FP stackifier to decide all on its own whether 
an instruction kills a register or not.  This is cheap and 
easy to do now that instructions record this on their flags,
and this eliminates the second pass of LiveVariables from the
x86 backend.  This speeds up a release llc by ~2.5%.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45955 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-14 06:41:29 +00:00
Evan Cheng
42725e7251 Simplify code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45950 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-14 02:38:45 +00:00
Chris Lattner
941db495b8 Fix the miscompilation of MiBench/consumer-lame that was exposed by Evan's 
byval work.  This miscompilation is due to the program indexing an array out
of range and us doing a transformation that broke this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45949 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-14 02:09:12 +00:00
Chris Lattner
6a93fc01a7 The isNotSuitableForSRA property is now dead, don't compute it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45948 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-14 01:32:52 +00:00
Chris Lattner
727c21084d Change SRAGlobal to not depend on isNotSuitableForSRA, which makes it very 
difficult to understand the invariants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45947 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-14 01:31:05 +00:00