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86bbf338e57504cc1e006552d8a1a2d99302e961
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38314 Commits

Author SHA1 Message Date
Chris Lattner
86bbf338e5 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
c107d0020d Make these variables static. 
llvm-svn: 50196
 2008-04-23 23:15:23 +00:00
Anton Korobeynikov
8bfd6de8db 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
1ae135c87b Drop dead includes 
llvm-svn: 50192
 2008-04-23 22:44:03 +00:00
Anton Korobeynikov
3aec21fa0e Fix tests due to llvm2cpp move to llc target 
llvm-svn: 50191
 2008-04-23 22:41:53 +00:00
Anton Korobeynikov
9dcc3e97a4 Adjust option names for C++ backend 
llvm-svn: 50190
 2008-04-23 22:37:03 +00:00
Anton Korobeynikov
78695035c4 First step of implementing PR1538: move llvm2cpp logic to new 'target' 
llvm-svn: 50189
 2008-04-23 22:29:24 +00:00
Dan Gohman
d871fa5cb6 Initial CBE support for multiple return values. 
llvm-svn: 50187
 2008-04-23 21:49:29 +00:00
Chris Lattner
1e31bf5b19 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
e9e3891c09 Use isa instead of dyn_cast. 
llvm-svn: 50181
 2008-04-23 20:25:16 +00:00
Dan Gohman
b418aafabf Add support to codegen for getresult instructions with undef operands. 
llvm-svn: 50180
 2008-04-23 20:21:29 +00:00
Devang Patel
8f83081fea Check type instead of no. of operands. 
llvm-svn: 50179
 2008-04-23 20:18:29 +00:00
Dan Gohman
6e9185093d Allow llvm-as to parse a getresult with an undef operand. 
llvm-svn: 50175
 2008-04-23 20:11:27 +00:00
Dale Johannesen
f6e15a4774 Rewrite previous patch to suit Chris's preference. 
llvm-svn: 50174
 2008-04-23 18:34:37 +00:00
Anton Korobeynikov
0516b6f2b0 Unbreak JIT 
llvm-svn: 50173
 2008-04-23 18:26:03 +00:00
Anton Korobeynikov
dd4ef2e30c Disable stack realignment for these tests 
llvm-svn: 50172
 2008-04-23 18:25:44 +00:00
Anton Korobeynikov
c3ada5c9c4 Fix test becase ABI stack alignment dropped to 'normal' value 
llvm-svn: 50171
 2008-04-23 18:25:16 +00:00
Anton Korobeynikov
955a8a9101 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
0d6df367f1 Fix typo 
llvm-svn: 50169
 2008-04-23 18:24:25 +00:00
Anton Korobeynikov
965babda19 Only allow increase of max alignment value 
llvm-svn: 50168
 2008-04-23 18:23:50 +00:00
Anton Korobeynikov
c1534dca56 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
2659011b70 Add X86 Maximal Stack Alignment Calculator Pass before RA 
llvm-svn: 50166
 2008-04-23 18:23:05 +00:00
Anton Korobeynikov
7e859dd7f0 Add facility for pre-RA passes 
llvm-svn: 50165
 2008-04-23 18:22:28 +00:00
Anton Korobeynikov
41334635cc Use precomputed value, if any 
llvm-svn: 50164
 2008-04-23 18:21:50 +00:00
Anton Korobeynikov
156550ae79 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
89a0a017fb 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
ba5129073c 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
f49bc9f8ed Cleanup 
llvm-svn: 50160
 2008-04-23 18:19:47 +00:00
Anton Korobeynikov
c756b460d9 Cleanup 
llvm-svn: 50159
 2008-04-23 18:19:23 +00:00
Anton Korobeynikov
a8aac3db3f Simplify 
llvm-svn: 50158
 2008-04-23 18:18:36 +00:00
Anton Korobeynikov
cb195f511d Make stack alignment options global for all targets 
llvm-svn: 50157
 2008-04-23 18:18:10 +00:00
Anton Korobeynikov
9328fbc4c7 Provide option for enabling-disabling stack realignment 
llvm-svn: 50156
 2008-04-23 18:17:11 +00:00
Anton Korobeynikov
ca150edda6 Disable stack realignment for functions with dynamic-sized alloca's 
llvm-svn: 50155
 2008-04-23 18:16:43 +00:00
Anton Korobeynikov
a7495260ee Provide ABI-correct stack alignment 
llvm-svn: 50154
 2008-04-23 18:16:16 +00:00
Anton Korobeynikov
8843487e16 Provide convenient helpers for some operations 
llvm-svn: 50153
 2008-04-23 18:15:48 +00:00
Anton Korobeynikov
2ccafa47ac Whitespace cleanup 
llvm-svn: 50152
 2008-04-23 18:15:11 +00:00
Dan Gohman
3c43d2e18a Fix some whitespace. 
llvm-svn: 50151
 2008-04-23 17:50:15 +00:00
Bill Wendling
107d369b8b Use the Create static method for some of these objects. They no longer 
have public constructors. This should fix PR2246.

llvm-svn: 50145
 2008-04-23 07:13:17 +00:00
Chris Lattner
a82d691caa simplify code for propagation of constant arguments into 
callees.

llvm-svn: 50142
 2008-04-23 06:16:27 +00:00
Chris Lattner
5f1802cfdf Fix a number of bugs in ipconstantprop, simplify the code, fit in 80 cols, 
fix read after free bug (PR2238).

llvm-svn: 50141
 2008-04-23 05:59:23 +00:00
Chris Lattner
5a58a4dc6d Rewrite multiple return value handling in SCCP. Before, the -sccp pass 
would turn every getresult instruction into undef.  This helps with
rdar://5778210

llvm-svn: 50140
 2008-04-23 05:38:20 +00:00
Chris Lattner
6e0284bba7 regenerate 
llvm-svn: 50139
 2008-04-23 05:37:08 +00:00
Chris Lattner
ff9089eb90 Validate that the result of a function type is valid using shared 
logic with vmcore.

llvm-svn: 50138
 2008-04-23 05:36:58 +00:00
Chris Lattner
b6917d2acc Enforce that multiple return values have to have at least one result. 
llvm-svn: 50137
 2008-04-23 05:36:34 +00:00
Chris Lattner
14f41bfc49 remove this testcase. It isn't testing loop rotate, it is testing all 
of -std-compile-opts and is now failing because other passes are generating
IR that looks different to input of loop rotate.  Devang, please 
introduce a testcase that only runs loop rotate.

llvm-svn: 50136
 2008-04-23 05:36:04 +00:00
Chris Lattner
f9a4e4d723 returning an empty multiple return list is not valid. 
llvm-svn: 50135
 2008-04-23 05:29:14 +00:00
Chris Lattner
da508ac5d8 fix description of 'ret' to be more correct with multiple return 
values.  Clarify that it is impossible to 'multiply return' a 
struct with zero elements.

llvm-svn: 50131
 2008-04-23 04:59:35 +00:00
Chris Lattner
1a640a6491 Allow undef as an operand to getresult. 
llvm-svn: 50130
 2008-04-23 04:06:52 +00:00
Chris Lattner
31abd54e33 Verify that the operand of a getresult instruction is a 
call/invoke or undef.

llvm-svn: 50129
 2008-04-23 04:06:15 +00:00
Chris Lattner
3376d6d824 make this test more interesting. 
llvm-svn: 50128
 2008-04-23 03:49:32 +00:00