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8160 Commits

Author SHA1 Message Date
Chris Lattner
bde92f3c03 Do not make i have bigger scope that we need 
llvm-svn: 17483
 2004-11-05 04:47:37 +00:00
Chris Lattner
b5ff07e46e Remove dead vars 
llvm-svn: 17482
 2004-11-05 04:46:22 +00:00
Chris Lattner
064071600d Fix some warnings on VC++ 
llvm-svn: 17481
 2004-11-05 04:45:43 +00:00
Nate Begeman
bc8bc24d28 Thanks to sabre for pointing out that we were incorrectly codegen'ing 
int test(int x) { return 32768 - x; }

Fixed by teaching the function that checks a constant's validity to be used
as an immediate argument about subtract-from instructions.

llvm-svn: 17476
 2004-11-04 19:43:18 +00:00
Brian Gaeke
85e7df8097 Handle "call" operands of type long/ulong passed in registers. 
llvm-svn: 17464
 2004-11-04 00:27:04 +00:00
Chris Lattner
3b6d1045d3 Don't call Constant::getNullValue when the argument could be VoidTy 
llvm-svn: 17457
 2004-11-03 18:51:26 +00:00
Chris Lattner
f2976f16ce Fix this function to not say that longs have 8-byte alignment on X86/PPC. 
This method is really a gross hack, but at least we can make it work on
the targets we support right now.

This bug fix stops a crash in a testcase reduced from 176.gcc

llvm-svn: 17443
 2004-11-02 22:18:18 +00:00
Tanya Lattner
bd82bbff7c Added gross hacks such as creating my own def-use map, and picking on Instruction that I can add all my TmpInstructions to its MCFI. 
llvm-svn: 17441
 2004-11-02 21:04:56 +00:00
Chris Lattner
d9696aa7b8 Fix a warning 
llvm-svn: 17431
 2004-11-02 15:27:57 +00:00
Chris Lattner
33ed2c8984 * Rearrange code slightly 
* Disable broken transforms for simplifying (setcc (cast X to larger), CI)
  where CC is not != or ==

llvm-svn: 17422
 2004-11-02 03:50:32 +00:00
Chris Lattner
10de12fd46 Add placeholder variable to make Win32 work, applied for Morten Ofstad 
llvm-svn: 17406
 2004-11-01 20:10:20 +00:00
Chris Lattner
b81520727e Speed up the tail duplication pass on the testcase below from 68.2s to 1.23s: 
#define CL0(a) case a: f(); goto c;
 #define CL1(a) CL0(a##0) CL0(a##1) CL0(a##2) CL0(a##3) CL0(a##4) CL0(a##5) \
 CL0(a##6) CL0(a##7) CL0(a##8) CL0(a##9)
 #define CL2(a) CL1(a##0) CL1(a##1) CL1(a##2) CL1(a##3) CL1(a##4) CL1(a##5) \
 CL1(a##6) CL1(a##7) CL1(a##8) CL1(a##9)
 #define CL3(a) CL2(a##0) CL2(a##1) CL2(a##2) CL2(a##3) CL2(a##4) CL2(a##5) \
 CL2(a##6) CL2(a##7) CL2(a##8) CL2(a##9)
 #define CL4(a) CL3(a##0) CL3(a##1) CL3(a##2) CL3(a##3) CL3(a##4) CL3(a##5) \
 CL3(a##6) CL3(a##7) CL3(a##8) CL3(a##9)

 void f();

 void a() {
     int b;
  c: switch (b) {
         CL4(1)
     }
 }

This comes from GCC PR 15524

llvm-svn: 17390
 2004-11-01 07:05:07 +00:00
Chris Lattner
3083f2a424 Do not compute the predecessor list for a block unless we need it. 
This speeds up simplifycfg on this program, from 44.87s to 0.29s (with
a profiled build):

 #define CL0(a) case a: goto c;
 #define CL1(a) CL0(a##0) CL0(a##1) CL0(a##2) CL0(a##3) CL0(a##4) CL0(a##5) \
 CL0(a##6) CL0(a##7) CL0(a##8) CL0(a##9)
 #define CL2(a) CL1(a##0) CL1(a##1) CL1(a##2) CL1(a##3) CL1(a##4) CL1(a##5) \
 CL1(a##6) CL1(a##7) CL1(a##8) CL1(a##9)
 #define CL3(a) CL2(a##0) CL2(a##1) CL2(a##2) CL2(a##3) CL2(a##4) CL2(a##5) \
 CL2(a##6) CL2(a##7) CL2(a##8) CL2(a##9)
 #define CL4(a) CL3(a##0) CL3(a##1) CL3(a##2) CL3(a##3) CL3(a##4) CL3(a##5) \
 CL3(a##6) CL3(a##7) CL3(a##8) CL3(a##9)

 void f();

 void a() {
     int b;
  c: switch (b) {
         CL4(1)
     }
 }

This testcase is contrived to expose N^2 behavior, but this patch should speedup
simplifycfg on any programs that use large switch statements.  This testcase
comes from GCC PR17895.

llvm-svn: 17389
 2004-11-01 06:53:58 +00:00
Chris Lattner
8572d582cf Fix comment 
llvm-svn: 17377
 2004-10-31 21:54:51 +00:00
Chris Lattner
d72b6b1e77 Improve comment 
llvm-svn: 17375
 2004-10-31 19:57:43 +00:00
Chris Lattner
14d85c9b09 Add more paranoid assertions :) 
llvm-svn: 17367
 2004-10-31 17:45:40 +00:00
Reid Spencer
acb1305e99 Internalize variable names to prevent recursive assignment. Cleanup docs. 
llvm-svn: 17359
 2004-10-30 09:19:36 +00:00
Chris Lattner
29b6259de3 Fix some more problems where we called getOffset before getNode() 
llvm-svn: 17358
 2004-10-30 07:21:19 +00:00
Chris Lattner
4b741eab69 Fix three bugs: 
1. Calls to external global VARIABLES should not be treated as a call to an
    external function
 2. Efficiently deleting an element from a vector by using std::swap with
    the back, then pop_back is NOT a good way to keep the vector sorted.
 3. Our hope of having stuff get deleted by making them redundant just won't
    work.  In particular, if we have three calls in sequence that should be
    merged: A, B, C   first we unify B into A.  To be sure that they appeared
    identical (so B would be erased) we set B = A.  On the next step, we
    unified C into A and set C = A.  Unfortunately, this is no guarantee that
    C = B, so we would fail to delete the dead call.  Switch to a more
    explicit scheme.

llvm-svn: 17357
 2004-10-30 05:41:23 +00:00
Chris Lattner
14dfc01ad5 Fix more undefined behavior 
llvm-svn: 17356
 2004-10-30 04:22:45 +00:00
Chris Lattner
c17cd85776 * Add a method 
* change some uses of NH.getNode() in a bool context to use !NH.isNull()
* Fix a bunch of places where we depended on the (undefined) order of
  evaluation of arguments to function calls to ensure that getNode() was
  called before getOffset().  In practice, this was NOT happening.

llvm-svn: 17354
 2004-10-30 04:05:01 +00:00
Tanya Lattner
8b938744dc Fixed bug with infinite epilogues. 
Fixed issue with generating the partial order. It now adds the nodes not in recurrences in sets for each connected component.

llvm-svn: 17351
 2004-10-30 00:39:07 +00:00
Misha Brukman
4e78536fa3 * Fix compilation on AIX: GCC's fixincludes eliminates isinf() declaration 
* Move file comment to the top of the header where it belongs

llvm-svn: 17349
 2004-10-29 23:17:45 +00:00
Brian Gaeke
c66a1d540b Change name of target lib to conform to new naming scheme. 
llvm-svn: 17347
 2004-10-29 21:57:16 +00:00
Brian Gaeke
db07ac46f0 Remove dependency on MRegisterInfo::getRegClass 
llvm-svn: 17346
 2004-10-29 21:42:27 +00:00
Misha Brukman
dba13ac3cb The Alpha (tm) intrinsics have never been used anywhere 
llvm-svn: 17340
 2004-10-29 18:43:17 +00:00
Brian Gaeke
a757bae04f When emitting debug msgs for function stubs, don't truncate the 
printed pointer value if sizeof(unsigned) != pointer size.  Instead,
use uintptr_t.

llvm-svn: 17338
 2004-10-29 18:22:45 +00:00
Alkis Evlogimenos
e88c2aaed7 Gep indices must be of int, uint, long or ulong type. 
llvm-svn: 17313
 2004-10-28 06:43:38 +00:00
Reid Spencer
1be896397a Fix library name. 
llvm-svn: 17307
 2004-10-28 05:37:24 +00:00
Alkis Evlogimenos
1162280a0d Fix library name. 
llvm-svn: 17306
 2004-10-28 05:36:48 +00:00
Reid Spencer
36b5b2c07e Fix library name. 
llvm-svn: 17305
 2004-10-28 05:32:01 +00:00
Reid Spencer
ccdfdd7346 Fix name of library 
llvm-svn: 17304
 2004-10-28 05:30:54 +00:00
Reid Spencer
a909f95ebd Make sure that the yacc and lex output are specified as BUILT_SOURCES. 
Correct the dependency of the Lexer.o file on the constructed
llvmAsmParser.h header file. It is not the Lexer.cpp file that depends on
the header, its the output of compiling Lexer.cpp, Lexer.o

llvm-svn: 17289
 2004-10-28 00:43:24 +00:00
Reid Spencer
d3f7233495 Change Library Names Not To Conflict With Others When Installed 
llvm-svn: 17286
 2004-10-27 23:18:45 +00:00
Reid Spencer
1a344dfd95 Changes to support rand48 tests 
llvm-svn: 17284
 2004-10-27 23:03:44 +00:00
Chris Lattner
dd0094e4ed Convert 'struct' to 'class' in various places to adhere to the coding standards 
and work better with VC++.  Patch contributed by Morten Ofstad!

llvm-svn: 17281
 2004-10-27 16:14:51 +00:00
Nate Begeman
2a64d462d9 Move destructor out of line to avoid vtable emission in every file that includes the header. Thanks to sabre. 
llvm-svn: 17278
 2004-10-27 06:00:53 +00:00
Chris Lattner
000424b69e Hrm, this code was severely botched. As it turns out, this patch: 
http://mail.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20041018/019708.html

exposed ANOTHER latent bug in this xform, which caused Prolangs-C/bison to fill
the zion nightly tester disk up and make the tester barf.

This is obviously not a good thing, so lets fix this bug shall we? :)

llvm-svn: 17276
 2004-10-27 05:57:15 +00:00
Nate Begeman
a6fafb1f64 Fix the build by eliminating some more dead code. That'll learn me not to listen to Reid 
llvm-svn: 17275
 2004-10-27 05:44:23 +00:00
Chris Lattner
abfae1c72e Initialize with the correct constant type 
llvm-svn: 17270
 2004-10-27 03:55:24 +00:00
Chris Lattner
d8ac6d4a25 Plug a memory leak in the asmparser. It turns out that we were leaking 
the strings for basic block labels in some cases.  This amounted to about
120K of memory for namd, a medium sized program.

llvm-svn: 17262
 2004-10-26 18:26:14 +00:00
Chris Lattner
3a79669263 add support for UndefValue 
llvm-svn: 17260
 2004-10-26 16:23:03 +00:00
Chris Lattner
2c73917686 Move method bodies that depend on <algorithm> from MBB.h to MBB.cpp 
llvm-svn: 17253
 2004-10-26 15:43:42 +00:00
Chris Lattner
a361504a90 Clean up the MachineBasicBlock.h file, percolating #includes into this file. 
Patch contributed by Morten Ofstad

llvm-svn: 17251
 2004-10-26 15:35:58 +00:00
Nate Begeman
64ddf151fa Remove include of MRegisterInfo.h, since it is already included by 
SkeletonGenRegisterInfo.h.inc

llvm-svn: 17245
 2004-10-26 06:04:23 +00:00
Nate Begeman
46c3a8875f Remove file that is no longer used, and move include of MRegisterInfo.h 
from PowerPCFrameInfo.h to PowerPCAsmPrinter.cpp where it is actually
needed.

llvm-svn: 17244
 2004-10-26 06:02:38 +00:00
Nate Begeman
7c3c97af10 Eliminate usage of MRegisterInfo::getRegClass(physreg) 
llvm-svn: 17240
 2004-10-26 05:40:45 +00:00
Chris Lattner
0dbd792854 Fix the interpreter crash that Michael McCracken found 
llvm-svn: 17239
 2004-10-26 05:35:14 +00:00
Chris Lattner
6e775d56cf Reduce usage of MRegisterInfo::getRegClass 
llvm-svn: 17238
 2004-10-26 05:29:18 +00:00
Nate Begeman
ae98298003 Update to-do list 
llvm-svn: 17235
 2004-10-26 04:10:53 +00:00