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32971 Commits

Author SHA1 Message Date
Evan Cheng a7ca624028 Replace TargetInstrInfo::CanBeDuplicated() with a M_NOT_DUPLICABLE bit. 
llvm-svn: 37643
 2007-06-19 01:26:51 +00:00
Evan Cheng 7d5696860b Replace CanBeDuplicated() with a M_NOT_DUPLICABLE bit. 
llvm-svn: 37642
 2007-06-19 01:21:41 +00:00
Chris Lattner 944200be45 If a function is vararg, never pass inreg arguments in registers. Thanks to 
Anton for half of this patch.

llvm-svn: 37641
 2007-06-19 00:13:10 +00:00
Chris Lattner 26be02febf add isVarArg to CCState 
llvm-svn: 37640
 2007-06-19 00:11:09 +00:00
Chris Lattner f401b2b4c3 add isvararg tracking to CCState 
llvm-svn: 37639
 2007-06-19 00:10:25 +00:00
Chris Lattner f2b72bf921 testcase for PR1513 
llvm-svn: 37638
 2007-06-19 00:08:42 +00:00
Evan Cheng 6ba3e8b27d New test case: identity operation of RHS / LHS of a VECTOR_SHUFFLE. 
llvm-svn: 37637
 2007-06-19 00:06:08 +00:00
Evan Cheng cea02ffd05 Look for VECTOR_SHUFFLE that's identity operation on either LHS or RHS. This can happen before DAGCombiner catches it. 
llvm-svn: 37636
 2007-06-19 00:02:56 +00:00
Tanya Lattner bed1d4d877 Update docs for llvm.var.annotation intrinsic. 
llvm-svn: 37635
 2007-06-18 23:42:37 +00:00
Evan Cheng 0598b2d5eb Fix some fragile code wrt CFG edge updating. 
llvm-svn: 37634
 2007-06-18 22:44:57 +00:00
Evan Cheng 2afd702c20 Move CorrectExtraCFGEdges() from BranchFolding.cpp to a MachineBasicBlock method. 
llvm-svn: 37633
 2007-06-18 22:43:58 +00:00
Tanya Lattner aab2200844 Modify annotate intrinsic to take 2 additional args: file and line number. 
Fix up Annotate attribute test case.
Fix DebugFilename.c test case to look for right file name.

llvm-svn: 37632
 2007-06-18 22:23:39 +00:00
Chris Lattner b4f2d8a056 add helper 
llvm-svn: 37631
 2007-06-18 21:50:49 +00:00
Devang Patel d56e4919df Fix quotes in debug messages. 
llvm-svn: 37630
 2007-06-18 21:32:29 +00:00
Chris Lattner e31adc8ab9 make ComputeTopDownOrdering significantly faster and use less stack space 
by making it non-recursive

llvm-svn: 37629
 2007-06-18 21:28:10 +00:00
Dan Gohman eed125f315 In SCEVAddExpr::get, skip over any cast operands before looking for nested 
add operands after constant operands. The recent change to recognize
sign-extend expressions caused this to be exposed more often.

llvm-svn: 37628
 2007-06-18 19:30:09 +00:00
Anton Korobeynikov 02b0997b28 Make BasicAliasAnalysis correctly register itself. Patch by Devang 
llvm-svn: 37627
 2007-06-18 17:13:29 +00:00
Dan Gohman 8c7333266c Make chain dependencies blue, in addition to being dashed. 
llvm-svn: 37626
 2007-06-18 15:30:16 +00:00
Dan Gohman c98815ba32 Define the pushq instruction for x86-64. 
llvm-svn: 37625
 2007-06-18 14:12:56 +00:00
Dan Gohman 03a7e5368a Add keyword explicit. 
llvm-svn: 37624
 2007-06-18 14:11:31 +00:00
Evan Cheng 51eb2c3bbe Properly remove duplicate instructions as result of diamond if-conversion. Other bug fixes. 
llvm-svn: 37623
 2007-06-18 08:37:25 +00:00
Owen Anderson dd998e1913 Cache the results of dependsOnInvoke() 
llvm-svn: 37622
 2007-06-18 04:42:29 +00:00
Owen Anderson f1c04e1ddb Fix indentation. 
llvm-svn: 37621
 2007-06-18 04:31:21 +00:00
Owen Anderson b364b413af Don't perform an expensive check if it's not necessary. 
llvm-svn: 37620
 2007-06-18 04:30:44 +00:00
Chris Lattner 5f232faf8c ensure we don't regress on these tests. We generate aweful code in x86-32 for 
these though.

llvm-svn: 37619
 2007-06-17 23:29:57 +00:00
Bill Wendling ec6be07c22 XFAILing until I can fix properly. 
llvm-svn: 37618
 2007-06-16 23:57:51 +00:00
Bill Wendling 094a4e813a Revert patch. It regresses: 
define double @test2(i64 %A) {
   %B = bitcast i64 %A to double
   ret double %B
}

$ llvm-as < t.ll | llc -march=x86-64

before:

         .align  4
         .globl  _test2
_test2:
         movd %rdi, %xmm0
         ret

after:

_test2:
         subq $8, %rsp
         movq %rdi, (%rsp)
         movsd (%rsp), %xmm0
         addq $8, %rsp
         ret

llvm-svn: 37617
 2007-06-16 23:57:15 +00:00
Reid Spencer 1aae9e8e12 Fix PR1517: 
Use SmallPtrSet instead of std::vector to eliminate duplicate uses in a
function generated with -gen-function. This prevents the output from having
multiple duplicate declarations of constants and gvals.

llvm-svn: 37616
 2007-06-16 20:48:27 +00:00
Reid Spencer 83c15f8a1b Fix PR1516: 
When printing the uses of a function (-gen-function only), make sure to
include the constants referenced by intializers of global variables.

llvm-svn: 37615
 2007-06-16 20:33:24 +00:00
Nick Lewycky 7aa84fe7c5 Call the correct function name. Patch from Stephane Letz. 
llvm-svn: 37614
 2007-06-16 16:17:35 +00:00
Evan Cheng 3a51c854d0 Really turn if-converter loose: 
1. Consider all possible ifcvt cases at once. No longer restricted to bottom
   up iterative approach.
2. Sort all possible cases based on a cost function. Perform the most profitable
   ones first invalidate others that target the same blocks.
3. Fixed a number of bugs related to block duplication.

llvm-svn: 37613
 2007-06-16 09:34:52 +00:00
Bill Wendling c8f293b4f9 Testcase for MMX int to MMX register failure. 
llvm-svn: 37612
 2007-06-16 06:31:47 +00:00
Bill Wendling cd9673e565 Fix a failure to bit_convert from integer GPR to MMX register. 
llvm-svn: 37611
 2007-06-16 06:17:31 +00:00
Owen Anderson 658f2c4881 Fix test/Transforms/GVNPRE/2007-06-15-InvokeInst.ll by ignoring all instructions that depend on invokes. 
llvm-svn: 37610
 2007-06-16 00:26:54 +00:00
Owen Anderson d2028a549f Testcase where GVNPRE was getting confused by invoke instructions. 
llvm-svn: 37609
 2007-06-16 00:25:10 +00:00
Tanya Lattner e199f97fa8 Codegen support (stripped out) for the annotate attribute. 
llvm-svn: 37608
 2007-06-15 22:26:58 +00:00
Evan Cheng 23402fcaef Not every predicable block can be safely duplicated. 
llvm-svn: 37607
 2007-06-15 21:18:05 +00:00
Evan Cheng 36b1f5476e Instructions with unique labels or embedded jumptables cannot be duplicated during ifcvt. 
llvm-svn: 37606
 2007-06-15 21:15:00 +00:00
Evan Cheng 297d43be00 Added CanBeDuplicated(). It returns true if an instruction can be safely duplicated (e.g. during ifcvt). 
llvm-svn: 37605
 2007-06-15 21:13:54 +00:00
Tanya Lattner a575a7dfda test case for annotate attribute 
llvm-svn: 37604
 2007-06-15 20:52:47 +00:00
Tanya Lattner cb1b96047d Add local var annotation intrinsic. 
llvm-svn: 37603
 2007-06-15 20:50:54 +00:00
Dan Gohman 00cb117b07 Fold a binary operator with constant operands when expanding code for a SCEV. 
llvm-svn: 37602
 2007-06-15 19:21:55 +00:00
Chris Lattner f852e339b6 Fix CodeGen/X86/inline-asm-x-scalar.ll:test4, by retaining regclass info 
for tied register constraints.

llvm-svn: 37601
 2007-06-15 19:11:01 +00:00
Chris Lattner 2d7f447a7a make this test harder, include a tied register. 
llvm-svn: 37600
 2007-06-15 19:09:53 +00:00
Evan Cheng 234a90e83e MachineInstr::isPredicable() is no longer needed. 
llvm-svn: 37599
 2007-06-15 19:06:07 +00:00
Evan Cheng 32312ad370 No longer needed. 
llvm-svn: 37598
 2007-06-15 19:05:13 +00:00
Duncan Sands 92bf2c628c Workaround for PR1508. 
llvm-svn: 37597
 2007-06-15 19:04:19 +00:00
Dan Gohman 203a035251 Use SCEVConstant::get instead of SCEVUnknown::get to create an 
integer constant SCEV.

llvm-svn: 37596
 2007-06-15 18:00:55 +00:00
Owen Anderson acaed06827 Fix test/Transforms/GVNPRE/2007-06-15-Looping.ll 
llvm-svn: 37595
 2007-06-15 17:55:15 +00:00
Owen Anderson ad9743225e Add a testcase where GVNPRE what getting confused by a loop. 
llvm-svn: 37594
 2007-06-15 17:54:05 +00:00