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10247 Commits

Author SHA1 Message Date
Andrew Lenharth
51d9d1b763 finally, Working varargs 
llvm-svn: 22275
 2005-06-23 16:48:51 +00:00
Andrew Lenharth
eda77c60a0 more complete Lowering for vacopy and vaarg 
llvm-svn: 22274
 2005-06-22 23:04:28 +00:00
Andrew Lenharth
4fd2bde906 If we support structs as va_list, we must pass pointers to them to va_copy 
See last commit for LangRef, this implements it on all targets.

llvm-svn: 22273
 2005-06-22 21:04:42 +00:00
Andrew Lenharth
e54b651806 Make it easier to find alpha stuff in doxygen, and fixup labeling 
of memory instructions in the assembly, to allow later linking
of traces with LLVM Value*s.

llvm-svn: 22271
 2005-06-22 17:19:45 +00:00
John Criswell
00c8485c77 Fixed indentation. 
llvm-svn: 22270
 2005-06-20 19:59:22 +00:00
Andrew Lenharth
ce6f907ffe because some functions just use va_start and pass things to vfprintf 
llvm-svn: 22269
 2005-06-20 15:41:37 +00:00
Andrew Lenharth
4e1c8055ea the correct fix was to fix AliasAnalysis.getModRefInfo 
llvm-svn: 22268
 2005-06-20 15:25:22 +00:00
Andrew Lenharth
262b657737 prevent GCSE from forwarding stores to loads around vaarg. This is uggly, and I am trying to fix the AliasInfo, as it should catch the problem instead. 
llvm-svn: 22266
 2005-06-20 15:02:05 +00:00
Andrew Lenharth
08ff634c2b prevent va_arg from being hoisted from a loop 
llvm-svn: 22265
 2005-06-20 13:36:33 +00:00
Andrew Lenharth
cdaaa66e7d prevent DCE of vaarg intrinsics. This should take care of most regressions 
llvm-svn: 22263
 2005-06-19 14:41:20 +00:00
Andrew Lenharth
231216b573 va_end fix 
llvm-svn: 22262
 2005-06-19 14:04:55 +00:00
Andrew Lenharth
4a1dc74471 so this doesn't crash when run. It is hard to tell if things are right enough to work correctly with all the TmpInstructions running around 
llvm-svn: 22261
 2005-06-19 05:45:00 +00:00
Andrew Lenharth
6bbe9d92c6 add a check for the mixing of vaarg and vanext with va_arg 
llvm-svn: 22260
 2005-06-19 03:53:56 +00:00
Andrew Lenharth
5750531305 OK, at least get rid of old stuff, and mark what needs to be fixed for V9 
llvm-svn: 22255
 2005-06-18 18:46:40 +00:00
Andrew Lenharth
a9214fec08 core changes for varargs 
llvm-svn: 22254
 2005-06-18 18:34:52 +00:00
Reid Spencer
a6012f9023 Fix a problem with the strcmp optimization checking the wrong string and 
not casting to the correct type.

llvm-svn: 22250
 2005-06-18 17:46:28 +00:00
Reid Spencer
678c9a3b00 Clean up some uninitialized variables and missing return statements that 
GCC 4.0.0 compiler (sometimes incorrectly) warns about under release build.

llvm-svn: 22249
 2005-06-18 17:37:34 +00:00
Andrew Lenharth
0bb2dab54a A start at a Sparc V8 Pattern ISel. Anyone want to implement the calling 
convention? ;)

llvm-svn: 22247
 2005-06-17 16:52:12 +00:00
Chris Lattner
70914ca850 silence incredibly braindead GCC 4 warning 
llvm-svn: 22246
 2005-06-17 13:44:07 +00:00
Chris Lattner
dce633f2dd silence a bogus warning 
llvm-svn: 22245
 2005-06-17 13:23:32 +00:00
Tanya Lattner
2114488760 Removed IIIi specific changes. This should be fixed to add floating point deps for the IIi. 
llvm-svn: 22243
 2005-06-17 04:21:09 +00:00
Tanya Lattner
c6760c1661 Special dep graph for SMS for superblocks. 
llvm-svn: 22242
 2005-06-17 04:16:14 +00:00
Tanya Lattner
7b1d09e9b2 Special versions of the dep graph and scheduled for SMS for superblocks. 
llvm-svn: 22241
 2005-06-17 04:15:43 +00:00
Tanya Lattner
6d38454b14 Added statistic to count number of spills. 
llvm-svn: 22240
 2005-06-17 04:01:34 +00:00
Tanya Lattner
3d6e51fdac Numerous bug fixes and the completed modschedSB algorithm (minor bugs still exist for course). 
llvm-svn: 22239
 2005-06-17 04:00:57 +00:00
Tanya Lattner
df10cee694 Added SMS for superblocks as an option (experimental) 
llvm-svn: 22238
 2005-06-17 04:00:22 +00:00
Chris Lattner
11bbeace0c This is not true: (X != 13 | X < 15) -> X < 15 
It is actually always true.  This fixes PR586 and
Transforms/InstCombine/2005-06-16-SetCCOrSetCCMiscompile.ll

llvm-svn: 22236
 2005-06-17 03:59:17 +00:00
Chris Lattner
01a5794292 Don't crash when dealing with INTMIN. This fixes PR585 and 
Transforms/InstCombine/2005-06-16-RangeCrash.ll

llvm-svn: 22234
 2005-06-17 02:05:55 +00:00
Chris Lattner
8c76d5c957 Don't crash on: X = phi (X, X). 
This fixes PR584 and Transforms/SimplifyCFG/2005-06-16-PHICrash.ll

llvm-svn: 22232
 2005-06-17 01:45:53 +00:00
Chris Lattner
226f919ead avoid constructing out of range shift amounts. 
llvm-svn: 22230
 2005-06-17 01:29:28 +00:00
Nate Begeman
ed49a51836 Fix bug 537 test 2, which checks to make sure that we fold A+(B-A) -> B for 
integer types.  Add a couple checks to not perform these kinds of transform
on floating point values.

llvm-svn: 22228
 2005-06-16 07:06:03 +00:00
Chris Lattner
f95b989825 Fix PR583 and testcase Transforms/InstCombine/2005-06-15-DivSelectCrash.ll 
llvm-svn: 22227
 2005-06-16 04:55:52 +00:00
Chris Lattner
4af04a8d54 Fix PR571, removing code that does just the WRONG thing :) 
llvm-svn: 22225
 2005-06-16 03:00:08 +00:00
Chris Lattner
b99bf21182 Fix a bug in my previous patch. Do not get the shift amount type (which 
is always ubyte, get the type being shifted).  This unbreaks espresso

llvm-svn: 22224
 2005-06-16 01:52:07 +00:00
Chris Lattner
4cff3f786f Fix PR575, patch provided by John Mellor-Crummey. Thanks! 
llvm-svn: 22223
 2005-06-15 22:49:30 +00:00
Chris Lattner
f1369e9532 Fix PR582. The rewriter can move casts around, which invalidated the 
BB iterator.  This fixes Transforms/IndVarsSimplify/2005-06-15-InstMoveCrash.ll

llvm-svn: 22221
 2005-06-15 21:29:31 +00:00
Chris Lattner
369ba5da69 Do not promote globals only used by main to locals if there are constantexprs 
or other uses hanging off of them.

llvm-svn: 22219
 2005-06-15 21:11:48 +00:00
Chris Lattner
d553048155 Fix PR577 and testcase InstCombine/2005-06-15-ShiftSetCCCrash.ll. 
Do not perform undefined out of range shifts.

llvm-svn: 22217
 2005-06-15 20:53:31 +00:00
Reid Spencer
3a30fa7ec0 Put the hack back in that removes features, causes regressions to fail, but 
allows test programs to succeed. Actual fix for this is forthcoming.

llvm-svn: 22213
 2005-06-15 18:25:30 +00:00
Nate Begeman
12cd2d8d99 Commit fix for generating conditional branch pseudo instructions that 
avoids dereferencing the end() iterator when selecting the fallthrough
block.  This requires an ilist change.

llvm-svn: 22212
 2005-06-15 18:22:43 +00:00
Nate Begeman
9bb1be2eec Commit a small improvement that is already in the x86 and ia64 backends to 
not generate unnecessary register copies.  This improves compile time by
2-5% depending on the test.

llvm-svn: 22210
 2005-06-14 03:55:23 +00:00
Reid Spencer
202eb6ff93 Unbreak several InstCombine regression checks introduced by a hack to 
fix the bzip2 test. A better hack is needed.

llvm-svn: 22209
 2005-06-13 06:41:26 +00:00
Nate Begeman
a2f68cf0f9 When compiled with GCC 4.0, a latent bug was exposed where both SparcV9 
and the target independant register allocator were both using a class named
'LiveRange'.  This lead to the target independant code calling code in the
SparcV9 backend, which crashed.  Fixed by renaming SparcV9's LiveRange to
V9LiveRange.

llvm-svn: 22208
 2005-06-12 23:52:58 +00:00
Nate Begeman
f516b866e5 Fix a memory smasher caught by Mac OS X's debug malloc library. We were 
incorrectly using an iterator after it was invalid.

llvm-svn: 22207
 2005-06-12 23:50:33 +00:00
Chris Lattner
9d3c2260d0 Fix a 64-bit problem, passing (int)0 through ... instead of (void*)0 
llvm-svn: 22206
 2005-06-09 03:32:54 +00:00
Chris Lattner
092a738e18 Fix a problem on 64-bit targets where we passed (int)0 through ... instead of 
(void*)0.

llvm-svn: 22205
 2005-06-09 02:59:00 +00:00
Andrew Lenharth
ec1d1444bd fix BranchCC with a setCC with an arg of 0 
llvm-svn: 22203
 2005-06-08 18:02:21 +00:00
Reid Spencer
a88b91d681 For PR572: 
Undefine the PPC symbol which is defined by Linux/PPC (erroneously) so it
doesn't pollute the user namespace and clash with our namespace declarations.

llvm-svn: 22202
 2005-06-08 17:44:48 +00:00
Nate Begeman
47cd13d42a Handle some more real world cases of rlwimi. These don't come up that 
regularly in "normal" code, but for things like software graphics, they
make a big difference.

For the following code:
unsigned short Trans16Bit(unsigned srcA,unsigned srcB,unsigned alpha)
{
	unsigned tmpA,tmpB,mixed;
	tmpA = ((srcA & 0x03E0) << 15) | (srcA & 0x7C1F);
	tmpB = ((srcB & 0x03E0) << 15) | (srcB & 0x7C1F);
	mixed = (tmpA * alpha) + (tmpB * (32 - alpha));
	return ((mixed >> 5) & 0x7C1F) | ((mixed >> 20) & 0x03E0);
}

We now generate:
_Trans16Bit:
.LBB_Trans16Bit_0:      ; entry
        andi. r2, r4, 31775
        rlwimi r2, r4, 15, 7, 11
        subfic r4, r5, 32
        mullw r2, r2, r4
        andi. r4, r3, 31775
        rlwimi r4, r3, 15, 7, 11
        mullw r3, r4, r5
        add r2, r2, r3
        srwi r3, r2, 5
        andi. r3, r3, 31775
        rlwimi r3, r2, 12, 22, 26
        blr

Instead of:
_Trans16Bit:
.LBB_Trans16Bit_0:      ; entry
        slwi r2, r4, 15
        rlwinm r2, r2, 0, 7, 11
        andi. r4, r4, 31775
        or r2, r2, r4
        subfic r4, r5, 32
        mullw r2, r2, r4
        slwi r4, r3, 15
        rlwinm r4, r4, 0, 7, 11
        andi. r3, r3, 31775
        or r3, r4, r3
        mullw r3, r3, r5
        add r2, r2, r3
        srwi r3, r2, 5
        andi. r3, r3, 31775
        srwi r2, r2, 20
        rlwimi r3, r2, 0, 22, 26
        blr

llvm-svn: 22201
 2005-06-08 04:14:27 +00:00
Nate Begeman
023a21ea32 Fix lli linking on Mac OS X 10.4.1 for Intel. 
llvm-svn: 22200
 2005-06-08 01:02:38 +00:00