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10328 Commits

Author SHA1 Message Date
Andrew Lenharth
38b5807bd9 prevent va_arg from being hoisted from a loop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22265 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-20 13:36:33 +00:00
Andrew Lenharth
94cd87f658 prevent DCE of vaarg intrinsics. This should take care of most regressions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22263 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-19 14:41:20 +00:00
Andrew Lenharth
017fba9d0f va_end fix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22262 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-19 14:04:55 +00:00
Andrew Lenharth
08b06dc956 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 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22261 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-19 05:45:00 +00:00
Andrew Lenharth
e78f50deea add a check for the mixing of vaarg and vanext with va_arg 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22260 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-19 03:53:56 +00:00
Andrew Lenharth
5fb7f20469 OK, at least get rid of old stuff, and mark what needs to be fixed for V9 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22255 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-18 18:46:40 +00:00
Andrew Lenharth
558bc88a00 core changes for varargs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22254 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-18 18:34:52 +00:00
Reid Spencer
134d2e4af8 Fix a problem with the strcmp optimization checking the wrong string and 
not casting to the correct type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22250 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-18 17:46:28 +00:00
Reid Spencer
4b828e6384 Clean up some uninitialized variables and missing return statements that 
GCC 4.0.0 compiler (sometimes incorrectly) warns about under release build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22249 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-18 17:37:34 +00:00
Andrew Lenharth
72b16d820c A start at a Sparc V8 Pattern ISel. Anyone want to implement the calling 
convention? ;)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22247 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-17 16:52:12 +00:00
Chris Lattner
b157f858a2 silence incredibly braindead GCC 4 warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22246 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-17 13:44:07 +00:00
Chris Lattner
9cb2d6167d silence a bogus warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22245 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-17 13:23:32 +00:00
Tanya Lattner
60b62aa046 Removed IIIi specific changes. This should be fixed to add floating point deps for the IIi. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22243 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-17 04:21:09 +00:00
Tanya Lattner
d70cee2d5a Special dep graph for SMS for superblocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22242 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-17 04:16:14 +00:00
Tanya Lattner
747e053cba Special versions of the dep graph and scheduled for SMS for superblocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22241 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-17 04:15:43 +00:00
Tanya Lattner
8352e23d11 Added statistic to count number of spills. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22240 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-17 04:01:34 +00:00
Tanya Lattner
d454a973a5 Numerous bug fixes and the completed modschedSB algorithm (minor bugs still exist for course). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22239 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-17 04:00:57 +00:00
Tanya Lattner
770e991bc4 Added SMS for superblocks as an option (experimental) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22238 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-17 04:00:22 +00:00
Chris Lattner
e88b7533be 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22236 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-17 03:59:17 +00:00
Chris Lattner
5662503afd Don't crash when dealing with INTMIN. This fixes PR585 and 
Transforms/InstCombine/2005-06-16-RangeCrash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22234 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-17 02:05:55 +00:00
Chris Lattner
0289929c62 Don't crash on: X = phi (X, X). 
This fixes PR584 and Transforms/SimplifyCFG/2005-06-16-PHICrash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22232 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-17 01:45:53 +00:00
Chris Lattner
d7e31cfaae avoid constructing out of range shift amounts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22230 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-17 01:29:28 +00:00
Nate Begeman
41aaf7016e 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22228 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-16 07:06:03 +00:00
Chris Lattner
f9c775c22e Fix PR583 and testcase Transforms/InstCombine/2005-06-15-DivSelectCrash.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22227 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-16 04:55:52 +00:00
Chris Lattner
8d7089e1d5 Fix PR571, removing code that does just the WRONG thing :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22225 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-16 03:00:08 +00:00
Chris Lattner
aa457ac2e7 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22224 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-16 01:52:07 +00:00
Chris Lattner
d286b245be Fix PR575, patch provided by John Mellor-Crummey. Thanks! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22223 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-15 22:49:30 +00:00
Chris Lattner
4bd09d70cc Fix PR582. The rewriter can move casts around, which invalidated the 
BB iterator.  This fixes Transforms/IndVarsSimplify/2005-06-15-InstMoveCrash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22221 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-15 21:29:31 +00:00
Chris Lattner
553ca52623 Do not promote globals only used by main to locals if there are constantexprs 
or other uses hanging off of them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22219 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-15 21:11:48 +00:00
Chris Lattner
e17a128a55 Fix PR577 and testcase InstCombine/2005-06-15-ShiftSetCCCrash.ll. 
Do not perform undefined out of range shifts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22217 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-15 20:53:31 +00:00
Reid Spencer
877c3e2b81 Put the hack back in that removes features, causes regressions to fail, but 
allows test programs to succeed. Actual fix for this is forthcoming.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22213 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-15 18:25:30 +00:00
Nate Begeman
439009c81e Commit fix for generating conditional branch pseudo instructions that 
avoids dereferencing the end() iterator when selecting the fallthrough
block.  This requires an ilist change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22212 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-15 18:22:43 +00:00
Nate Begeman
a43b176f51 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22210 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-14 03:55:23 +00:00
Reid Spencer
16b5644f04 Unbreak several InstCombine regression checks introduced by a hack to 
fix the bzip2 test. A better hack is needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22209 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-13 06:41:26 +00:00
Nate Begeman
244e92eaab 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22208 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-12 23:52:58 +00:00
Nate Begeman
ac609ddf82 Fix a memory smasher caught by Mac OS X's debug malloc library. We were 
incorrectly using an iterator after it was invalid.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22207 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-12 23:50:33 +00:00
Chris Lattner
71fae1022e Fix a 64-bit problem, passing (int)0 through ... instead of (void*)0 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22206 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-09 03:32:54 +00:00
Chris Lattner
5633cd13e2 Fix a problem on 64-bit targets where we passed (int)0 through ... instead of 
(void*)0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22205 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-09 02:59:00 +00:00
Andrew Lenharth
09552bff8d fix BranchCC with a setCC with an arg of 0 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22203 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-08 18:02:21 +00:00
Reid Spencer
eae435de83 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22202 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-08 17:44:48 +00:00
Nate Begeman
b2c4bf3ff6 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22201 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-08 04:14:27 +00:00
Nate Begeman
6dae3308f5 Fix lli linking on Mac OS X 10.4.1 for Intel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22200 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-08 01:02:38 +00:00
Andrew Lenharth
141e488a70 Remove code for conversion from old style va_args. Preparing the way for 
returning to the old style :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22199 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-08 00:49:08 +00:00
Misha Brukman
5e96a3a49f Fix spelling of `correlate' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22196 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-06 19:08:04 +00:00
Andrew Lenharth
cd7f8cf70b allow marking of loads and stores in the instruction stream with enough information to reconstruct the Value* if it existed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22195 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-06 19:03:55 +00:00
Andrew Lenharth
eee2a881cf hide basic block labels. The utility of these for debuging is long since passed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22194 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-06 19:03:09 +00:00
Misha Brukman
b8ee91a80f * Replace block of commented-out lines with #if 0 
* Remove warning "control reaches end of non-void function"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22193 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-06 17:39:46 +00:00
Andrew Lenharth
837be1ec35 hack to fix bzip2 (bug 571) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22192 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-04 12:43:56 +00:00
Reid Spencer
628214eb74 Make sure that Cygwin assembly includes _ as part of function names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22190 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-02 21:33:19 +00:00
Reid Spencer
932e2e33eb Put in a hack for Cygwin that prevents mkdtemp from being used since 
configure seems to find it on Cygwin but linking against it fails.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22189 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-06-02 05:38:20 +00:00