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Author SHA1 Message Date
Nick Lewycky
1f831c0f57 Remove 'unwinds to' support from mainline. This patch undoes r47802 r47989 
r48047 r48084 r48085 r48086 r48088 r48096 r48099 r48109 and r48123.

llvm-svn: 50265
 2008-04-25 16:53:59 +00:00
Evan Cheng
37ca5de3b7 Not checking for intrinsics which do not have a chain operand. 
llvm-svn: 50260
 2008-04-25 08:55:28 +00:00
Evan Cheng
e177dc6696 - Switch from std::set to SmallPtrSet. 
- Add comments.

llvm-svn: 50259
 2008-04-25 08:22:20 +00:00
Evan Cheng
39ae78cadb MMX argument passing fixes: 
On Darwin / Linux x86-32, v8i8, v4i16, v2i32 values are passed in MM[0-2].                                                                                                                                      
On Darwin / Linux x86-32, v1i64 values are passed in memory.                                                                                                                                                    
On Darwin x86-64, v8i8, v4i16, v2i32 values are passed in XMM[0-7].                                                                                                                                     
On Darwin x86-64, v1i64 values are passed in 64-bit GPRs.

llvm-svn: 50257
 2008-04-25 07:56:45 +00:00
Nate Begeman
26b6f640a1 Teach the PruningFunctionCloner how to look through loads with 
ConstantExpression GEPs pointing into constant globals.

llvm-svn: 50256
 2008-04-25 06:37:06 +00:00
Chris Lattner
8c9f6c929a Loosen up an assertion to allow intrinsics. I really have no 
idea what this code (findNonImmUse) does, so I'm only guessing 
that this is the right thing.  It would be really really nice
if this had comments and perhaps switched to SmallPtrSet
(hint hint) :)

This fixes rdar://5886601, a crash on gcc.target/i386/sse4_1-pblendw.c

llvm-svn: 50252
 2008-04-25 05:13:01 +00:00
Chris Lattner
1a6268f776 Don't infininitely thread branches when a threaded edge 
goes back to the block, e.g.:

  Threading edge through bool from 'bb37.us.thread3829' to 'bb37.us' with cost: 1, across block:

bb37.us:		; preds = %bb37.us.thread3829, %bb37.us, %bb33
	%D1361.1.us = phi i32 [ %tmp36, %bb33 ], [ %D1361.1.us, %bb37.us ], [ 0, %bb37.us.thread3829 ]		; <i32> [#uses=2]
	%tmp39.us = icmp eq i32 %D1361.1.us, 0		; <i1> [#uses=1]
	br i1 %tmp39.us, label %bb37.us, label %bb42.us

llvm-svn: 50251
 2008-04-25 04:12:29 +00:00
Gordon Henriksen
cd80583c68 PR2245: Misleading parameter name in llvm-c/Core.h:LLVMConstArray 
Applying fix by Frits van Bommel.

llvm-svn: 50250
 2008-04-25 03:21:19 +00:00
Gordon Henriksen
c440737166 PR2202: LLVMCreateInterpreter creates a JIT 
Applying fix by Frits van Bommel.

llvm-svn: 50249
 2008-04-25 02:52:30 +00:00
Evan Cheng
484060ba4a Fix bug in x86 memcpy / memset lowering. If there are trailing bytes not handled by rep instructions, a new memcpy / memset is introduced for them. However, since source / destination addresses are already adjusted, their offsets should be zero. 
llvm-svn: 50239
 2008-04-25 00:26:43 +00:00
Ted Kremenek
247bdc8ec7 Implement != for DenseSet iterators. 
llvm-svn: 50236
 2008-04-24 23:49:45 +00:00
Ted Kremenek
100956926c Added iterator support for DenseSet. 
llvm-svn: 50235
 2008-04-24 23:48:12 +00:00
Evan Cheng
906911f9e5 New test. 
llvm-svn: 50229
 2008-04-24 20:01:58 +00:00
Evan Cheng
c532dca878 Adjust inline cost computation to be less aggressive. 
llvm-svn: 50222
 2008-04-24 18:42:47 +00:00
Devang Patel
fed5cd5fe7 Add EXTRA_OPTIONS on the llvmgxx command line. 
llvm-svn: 50217
 2008-04-24 17:59:03 +00:00
Devang Patel
7ff3d5b65b Add EXTRA_OPTIONS on the llvmgcc command line. 
llvm-svn: 50216
 2008-04-24 17:54:25 +00:00
Evan Cheng
1a97cb159e - Check if a register is livein before removing it. It may have already been removed. 
- Do not iterate over SmallPtrSet, the order of iteration is not deterministic.

llvm-svn: 50209
 2008-04-24 09:06:33 +00:00
Chris Lattner
2b149f62af % -> @ 
llvm-svn: 50206
 2008-04-24 06:00:30 +00:00
Chris Lattner
ddd6b159be Doc updates/edits, contributed by Terence Parr! 
llvm-svn: 50205
 2008-04-24 05:59:56 +00:00
Chris Lattner
a646a59205 code restructuring, not functionality change. 
llvm-svn: 50203
 2008-04-24 00:21:50 +00:00
Chris Lattner
10ffed0ed0 Don't replace multiple result of calls with undef, 
sccp tracks getresult values, not call values in this
case.

llvm-svn: 50202
 2008-04-24 00:19:54 +00:00
Chris Lattner
8c6e641cf4 code cleanup, no functionality change. 
llvm-svn: 50201
 2008-04-24 00:16:28 +00:00
Chris Lattner
be35a0c224 Split some code out of the main SimplifyCFG loop into its own function. 
Fix said code to handle merging return instructions together correctly
when handling multiple return values.

llvm-svn: 50199
 2008-04-24 00:01:19 +00:00
Dan Gohman
6054efc488 Make these variables static. 
llvm-svn: 50196
 2008-04-23 23:15:23 +00:00
Anton Korobeynikov
cab97b00c5 Disable building of llvm2cpp. The directory will be removed before 2.3 release. 
llvm-svn: 50193
 2008-04-23 22:46:24 +00:00
Anton Korobeynikov
ac6f6045bb Drop dead includes 
llvm-svn: 50192
 2008-04-23 22:44:03 +00:00
Anton Korobeynikov
d6ec8965f7 Fix tests due to llvm2cpp move to llc target 
llvm-svn: 50191
 2008-04-23 22:41:53 +00:00
Anton Korobeynikov
361e5f9eee Adjust option names for C++ backend 
llvm-svn: 50190
 2008-04-23 22:37:03 +00:00
Anton Korobeynikov
193b7db7c7 First step of implementing PR1538: move llvm2cpp logic to new 'target' 
llvm-svn: 50189
 2008-04-23 22:29:24 +00:00
Dan Gohman
5df2f2c2e7 Initial CBE support for multiple return values. 
llvm-svn: 50187
 2008-04-23 21:49:29 +00:00
Chris Lattner
50069efc7a tighten up verifier checks which missed cases where 
return instrs operands didn't match up with function results.

llvm-svn: 50182
 2008-04-23 20:33:41 +00:00
Dan Gohman
37f4dc9ab4 Use isa instead of dyn_cast. 
llvm-svn: 50181
 2008-04-23 20:25:16 +00:00
Dan Gohman
afa475f207 Add support to codegen for getresult instructions with undef operands. 
llvm-svn: 50180
 2008-04-23 20:21:29 +00:00
Devang Patel
88251a96f1 Check type instead of no. of operands. 
llvm-svn: 50179
 2008-04-23 20:18:29 +00:00
Dan Gohman
6de65a742d Allow llvm-as to parse a getresult with an undef operand. 
llvm-svn: 50175
 2008-04-23 20:11:27 +00:00
Dale Johannesen
d70ea13581 Rewrite previous patch to suit Chris's preference. 
llvm-svn: 50174
 2008-04-23 18:34:37 +00:00
Anton Korobeynikov
74178d02d1 Unbreak JIT 
llvm-svn: 50173
 2008-04-23 18:26:03 +00:00
Anton Korobeynikov
244a615291 Disable stack realignment for these tests 
llvm-svn: 50172
 2008-04-23 18:25:44 +00:00
Anton Korobeynikov
1898ce20e2 Fix test becase ABI stack alignment dropped to 'normal' value 
llvm-svn: 50171
 2008-04-23 18:25:16 +00:00
Anton Korobeynikov
15c5a2ce26 Fix test, instruction count is valid only if stack is not realigned 
llvm-svn: 50170
 2008-04-23 18:24:48 +00:00
Anton Korobeynikov
4b572e0f73 Fix typo 
llvm-svn: 50169
 2008-04-23 18:24:25 +00:00
Anton Korobeynikov
372e69e652 Only allow increase of max alignment value 
llvm-svn: 50168
 2008-04-23 18:23:50 +00:00
Anton Korobeynikov
47a8e6d7a9 Be over-conservative: scan for all used virtual registers and calculate maximal stack alignment in assumption, that there will be spill of vector register. 
llvm-svn: 50167
 2008-04-23 18:23:30 +00:00
Anton Korobeynikov
e7754f758b Add X86 Maximal Stack Alignment Calculator Pass before RA 
llvm-svn: 50166
 2008-04-23 18:23:05 +00:00
Anton Korobeynikov
b1ad6979dc Add facility for pre-RA passes 
llvm-svn: 50165
 2008-04-23 18:22:28 +00:00
Anton Korobeynikov
5e735f1fd2 Use precomputed value, if any 
llvm-svn: 50164
 2008-04-23 18:21:50 +00:00
Anton Korobeynikov
158f614c67 Do proper book-keeping of offsets and prologue/epilogue code for stack realignment 
llvm-svn: 50163
 2008-04-23 18:21:27 +00:00
Anton Korobeynikov
1f07315f47 If stack realignment is used - incoming args will use EBP as base register and locals - ESP 
llvm-svn: 50162
 2008-04-23 18:21:02 +00:00
Anton Korobeynikov
5079553b9d Eastimate required stack alignment early, so we can decide, whether we will need frame pointer or not 
llvm-svn: 50161
 2008-04-23 18:20:17 +00:00
Anton Korobeynikov
197eca0b2d Cleanup 
llvm-svn: 50160
 2008-04-23 18:19:47 +00:00