oota-llvm.git
17 years agoAllow the RoundDoubleToAPInt function to specify a width to use.
Reid Spencer [Tue, 27 Feb 2007 18:22:31 +0000 (18:22 +0000)]
Allow the RoundDoubleToAPInt function to specify a width to use.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34672 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoa note
Chris Lattner [Tue, 27 Feb 2007 17:21:09 +0000 (17:21 +0000)]
a note

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34670 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoMake getPassManagerType() const.
Devang Patel [Tue, 27 Feb 2007 15:00:39 +0000 (15:00 +0000)]
Make getPassManagerType() const.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34669 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoFix parenthesis for BCTRL_{ELF|Macho} test.
Nicolas Geoffray [Tue, 27 Feb 2007 13:10:41 +0000 (13:10 +0000)]
Fix parenthesis for BCTRL_{ELF|Macho} test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34668 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoDifferentiate between the MachO and the ELF ABI the CALL instruction.
Nicolas Geoffray [Tue, 27 Feb 2007 13:01:19 +0000 (13:01 +0000)]
Differentiate between the MachO and the ELF ABI the CALL instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34667 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoDuplicate use of LR, take 2.
Jim Laskey [Tue, 27 Feb 2007 11:55:45 +0000 (11:55 +0000)]
Duplicate use of LR, take 2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34666 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoAdded myself
Nicolas Geoffray [Tue, 27 Feb 2007 10:44:42 +0000 (10:44 +0000)]
Added myself

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34665 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoAllow the AsmWriter to print out arbitrary precision integers.
Reid Spencer [Tue, 27 Feb 2007 08:34:09 +0000 (08:34 +0000)]
Allow the AsmWriter to print out arbitrary precision integers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34664 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoCorrect the implelmentation of ConstantInt::getAllOnesValue() for bit
Reid Spencer [Tue, 27 Feb 2007 07:57:53 +0000 (07:57 +0000)]
Correct the implelmentation of ConstantInt::getAllOnesValue() for bit
widths > 64 bits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34663 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoGet rid of extraneous // in file comment.
Reid Spencer [Tue, 27 Feb 2007 07:35:18 +0000 (07:35 +0000)]
Get rid of extraneous // in file comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34662 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoAdd calling convention info
Chris Lattner [Tue, 27 Feb 2007 06:59:52 +0000 (06:59 +0000)]
Add calling convention info

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34661 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoFor PR1205:
Reid Spencer [Tue, 27 Feb 2007 06:23:51 +0000 (06:23 +0000)]
For PR1205:
Implement constant folding via APInt instead of uint64_t.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34660 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agomove target independent calling convention stuff to TargetCallingConv.td
Chris Lattner [Tue, 27 Feb 2007 05:57:32 +0000 (05:57 +0000)]
move target independent calling convention stuff to TargetCallingConv.td

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34659 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agofill in some holes
Chris Lattner [Tue, 27 Feb 2007 05:51:05 +0000 (05:51 +0000)]
fill in some holes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34658 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoswitch x86-64 return value lowering over to using same mechanism as argument
Chris Lattner [Tue, 27 Feb 2007 05:28:59 +0000 (05:28 +0000)]
switch x86-64 return value lowering over to using same mechanism as argument
lowering uses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34657 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoMinor refactoring of CC Lowering interfaces
Chris Lattner [Tue, 27 Feb 2007 05:13:54 +0000 (05:13 +0000)]
Minor refactoring of CC Lowering interfaces

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34656 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agomove CC Lowering stuff to its own public interface
Chris Lattner [Tue, 27 Feb 2007 04:43:02 +0000 (04:43 +0000)]
move CC Lowering stuff to its own public interface

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34655 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agorefactor x86-64 argument lowering yet again, this time eliminating templates,
Chris Lattner [Tue, 27 Feb 2007 04:18:15 +0000 (04:18 +0000)]
refactor x86-64 argument lowering yet again, this time eliminating templates,
'clients', etc, and adding CCValAssign instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34654 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoConstantFolding.cpp/h -> ConstantFold.cpp/h to avoid confusion with
Chris Lattner [Tue, 27 Feb 2007 03:05:06 +0000 (03:05 +0000)]
ConstantFolding.cpp/h -> ConstantFold.cpp/h to avoid confusion with
lib/Analysis/ConstantFolding.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34653 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoBacking out Jim's LR spill changes. This was causing llvm-gcc bootstrapping
Evan Cheng [Tue, 27 Feb 2007 02:55:29 +0000 (02:55 +0000)]
Backing out Jim's LR spill changes. This was causing llvm-gcc bootstrapping
to infinite loop:
PPCMachineFunctionInfo.h updated: 1.2 -> 1.3
PPCRegisterInfo.cpp updated: 1.110 -> 1.111
PPCRegisterInfo.h updated: 1.28 -> 1.29

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34652 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoXFAIL this on x86-Linux until its fixed.
Reid Spencer [Tue, 27 Feb 2007 02:45:12 +0000 (02:45 +0000)]
XFAIL this on x86-Linux until its fixed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34651 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoRemove test cases that produce undefined results.
Reid Spencer [Tue, 27 Feb 2007 02:34:02 +0000 (02:34 +0000)]
Remove test cases that produce undefined results.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34650 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoforward() should not increment internal iterator. Its client may insert instruction...
Evan Cheng [Tue, 27 Feb 2007 01:58:48 +0000 (01:58 +0000)]
forward() should not increment internal iterator. Its client may insert instruction between now and next forward() call.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34649 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoSimplify and document RoundDoubleToAPInt.
Reid Spencer [Tue, 27 Feb 2007 01:28:10 +0000 (01:28 +0000)]
Simplify and document RoundDoubleToAPInt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34648 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoFor PR1205:
Reid Spencer [Mon, 26 Feb 2007 23:54:03 +0000 (23:54 +0000)]
For PR1205:
Implement the first step towards arbitrary precision integer support in
LLVM. The APInt class provides arbitrary precision arithmetic and value
representation. This patch changes ConstantInt to use APInt as its value
representation without supporting bit widths > 64 yet. That change will
come after ConstantFolding handles bit widths > 64 bits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34647 91177308-0d34-0410-b5e6-96231b3b80d8

17 years ago1. Make sure all delete operators of arrays use the array form of delete.
Reid Spencer [Mon, 26 Feb 2007 23:38:21 +0000 (23:38 +0000)]
1. Make sure all delete operators of arrays use the array form of delete.
2. Rewrite operator=(const APInt& RHS) to allow the RHS to be a different
   bit width than the LHS. This makes it possible to use APInt as the key
   of a DenseMap, as needed for the IntConstants map in Constants.cpp
3. Fix operator=(uint64_t) to clear unused bits in case the client assigns
   a value that has more bits than the APInt allows.
4. Assert that bit widths are equal in operator==
5. Revise getHashValue() to put the bit width in the low order six bits.
   This should help to make i1 0, i2 0, ... i64 0 all distinct in the
   IntConstants DenseMap.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34646 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoJoining an interval with a dead copy instruction. Shorten the live range to the last...
Evan Cheng [Mon, 26 Feb 2007 21:37:37 +0000 (21:37 +0000)]
Joining an interval with a dead copy instruction. Shorten the live range to the last use.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34645 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoFix indentation.
Reid Spencer [Mon, 26 Feb 2007 21:06:05 +0000 (21:06 +0000)]
Fix indentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34643 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoImplement the getHashValue method.
Reid Spencer [Mon, 26 Feb 2007 21:02:27 +0000 (21:02 +0000)]
Implement the getHashValue method.
Fix toString use of getValue to use getZExtValue()

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34642 91177308-0d34-0410-b5e6-96231b3b80d8

17 years ago1. Split getValue() into getSExtValue() and getZExtValue() to match
Reid Spencer [Mon, 26 Feb 2007 20:57:12 +0000 (20:57 +0000)]
1. Split getValue() into getSExtValue() and getZExtValue() to match
   ConstantInt better.
2. Add a getHashValue() method.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34641 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoUse efficient container SmallPtrSet
Devang Patel [Mon, 26 Feb 2007 20:22:50 +0000 (20:22 +0000)]
Use efficient container SmallPtrSet

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34640 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoalways lower to RETFLAG, never leave it as just ret.
Chris Lattner [Mon, 26 Feb 2007 19:44:02 +0000 (19:44 +0000)]
always lower to RETFLAG, never leave it as just ret.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34639 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoDo not unswitch loop on same value again and again.
Devang Patel [Mon, 26 Feb 2007 19:31:58 +0000 (19:31 +0000)]
Do not unswitch loop on same value again and again.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34638 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agofix attribution
Chris Lattner [Mon, 26 Feb 2007 18:56:07 +0000 (18:56 +0000)]
fix attribution

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34637 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoAdd a description of the X86-64 calling convention and the return
Chris Lattner [Mon, 26 Feb 2007 18:17:14 +0000 (18:17 +0000)]
Add a description of the X86-64 calling convention and the return
conventions.  This doesn't do anything yet, but may in the future.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34636 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoImplement inline methods that make transition of ConstantInt to use APInt
Reid Spencer [Mon, 26 Feb 2007 17:50:32 +0000 (17:50 +0000)]
Implement inline methods that make transition of ConstantInt to use APInt
easier to comprehend and might be useful elsewhere.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34635 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoRe-enable this. The header was committed.
Reid Spencer [Mon, 26 Feb 2007 08:10:54 +0000 (08:10 +0000)]
Re-enable this. The header was committed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34634 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoswitch to smallvector
Chris Lattner [Mon, 26 Feb 2007 07:59:53 +0000 (07:59 +0000)]
switch to smallvector

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34633 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoanother missing header :( :( :(
Chris Lattner [Mon, 26 Feb 2007 07:51:00 +0000 (07:51 +0000)]
another missing header :( :( :(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34632 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoinitial hack at splitting the x86-64 calling convention info out from the
Chris Lattner [Mon, 26 Feb 2007 07:50:02 +0000 (07:50 +0000)]
initial hack at splitting the x86-64 calling convention info out from the
mechanics that process it.  I'm still not happy with this, but it's a step
in the right direction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34631 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoMake isNegative() a const function since it doesn't modify the APInt.
Reid Spencer [Mon, 26 Feb 2007 07:45:40 +0000 (07:45 +0000)]
Make isNegative() a const function since it doesn't modify the APInt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34630 91177308-0d34-0410-b5e6-96231b3b80d8

17 years ago1. Remove redundant calls to clearUsedBits().
Reid Spencer [Mon, 26 Feb 2007 07:44:38 +0000 (07:44 +0000)]
1. Remove redundant calls to clearUsedBits().
2. Fix countTrailingZeros to use a faster algorithm.
3. Simplify sext() slightly by using isNegative().
4. Implement ashr using word-at-a-time logic instead of bit-at-a-time
5. Rename locals named isNegative so they don't clash with method name.
6. Fix fromString to compute negated value correctly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34629 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agothe truncate must always be done, it's only the assert that is conditional.
Chris Lattner [Mon, 26 Feb 2007 05:21:05 +0000 (05:21 +0000)]
the truncate must always be done, it's only the assert that is conditional.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34628 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoreapply my previous patch with a bugfix.
Chris Lattner [Mon, 26 Feb 2007 05:02:39 +0000 (05:02 +0000)]
reapply my previous patch with a bugfix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34627 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agorevert my previous change, something strange is happening.
Chris Lattner [Mon, 26 Feb 2007 04:43:19 +0000 (04:43 +0000)]
revert my previous change, something strange is happening.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34626 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoadd an accessor.
Chris Lattner [Mon, 26 Feb 2007 04:01:25 +0000 (04:01 +0000)]
add an accessor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34625 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoemit an enum value for the # of target registers.
Chris Lattner [Mon, 26 Feb 2007 03:34:38 +0000 (03:34 +0000)]
emit an enum value for the # of target registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34624 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoin X86-64 CCC, i8/i16 arguments are already properly zext/sext'd on input.
Chris Lattner [Mon, 26 Feb 2007 03:18:56 +0000 (03:18 +0000)]
in X86-64 CCC, i8/i16 arguments are already properly zext/sext'd on input.
Capture this so that downstream zext/sext's are optimized out.  This
compiles:
  int test(short X) { return (int)X; }

to:

_test:
        movl %edi, %eax
        ret

instead of:

_test:
        movswl %di, %eax
        ret

GCC produces this bizarre code:

_test:
        movw    %di, -12(%rsp)
        movswl  -12(%rsp),%eax
        ret

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34623 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agonew testcase
Chris Lattner [Mon, 26 Feb 2007 03:16:20 +0000 (03:16 +0000)]
new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34622 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoFold (sext (truncate x)) more aggressively, by avoiding creation of a
Chris Lattner [Mon, 26 Feb 2007 03:13:59 +0000 (03:13 +0000)]
Fold (sext (truncate x)) more aggressively, by avoiding creation of a
sextinreg if not needed.   This is useful in two cases: before legalize,
it avoids creating a sextinreg that will be trivially removed.  After legalize
if the target doesn't support sextinreg, the trunc/sext would not have been
removed before.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34621 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agotrack signedness of formal argument, though we have a fixme here.
Chris Lattner [Mon, 26 Feb 2007 02:56:58 +0000 (02:56 +0000)]
track signedness of formal argument, though we have a fixme here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34620 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoAdd an isNegative method to determine if the APInt's value is negative.
Reid Spencer [Mon, 26 Feb 2007 01:20:59 +0000 (01:20 +0000)]
Add an isNegative method to determine if the APInt's value is negative.
This is much less expensive than a test against zero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34619 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoRewrite lshr to not do bit by bit copy but to copy and shift whole words.
Reid Spencer [Mon, 26 Feb 2007 01:19:48 +0000 (01:19 +0000)]
Rewrite lshr to not do bit by bit copy but to copy and shift whole words.
This makes it much more efficient.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34618 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoFix sext operation. Shifting by zero would leave an incorrect mask.
Reid Spencer [Sun, 25 Feb 2007 23:54:00 +0000 (23:54 +0000)]
Fix sext operation. Shifting by zero would leave an incorrect mask.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34617 91177308-0d34-0410-b5e6-96231b3b80d8

17 years ago1. Fix the flip() method to correctly flip all words of the APInt.
Reid Spencer [Sun, 25 Feb 2007 23:44:53 +0000 (23:44 +0000)]
1. Fix the flip() method to correctly flip all words of the APInt.
2. Implement the trunc, sext, and zext operations.
3. Improve fromString to accept negative values as input.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34616 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoFix an X86-64 abi bug. We now compile:
Chris Lattner [Sun, 25 Feb 2007 23:10:46 +0000 (23:10 +0000)]
Fix an X86-64 abi bug.  We now compile:

void foo(short);
void bar(unsigned short A) {
  foo(A);
}

into:

_bar:
        subq $8, %rsp
        movswl %di, %edi
        call _foo
        addq $8, %rsp
        ret

instead of:

_bar:
        subq $8, %rsp
        call _foo
        addq $8, %rsp
        ret

Testcase here: test/CodeGen/X86/x86-64-shortint.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34615 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agonew testcase
Chris Lattner [Sun, 25 Feb 2007 23:08:29 +0000 (23:08 +0000)]
new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34614 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agofix CodeGen/X86/2007-02-25-FastCCStack.ll, a regression from my patch last
Chris Lattner [Sun, 25 Feb 2007 22:23:46 +0000 (22:23 +0000)]
fix CodeGen/X86/2007-02-25-FastCCStack.ll, a regression from my patch last
night:  fastcc returns should only go in XMM0 if we have SSE2 or above.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34613 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agonew testcase
Chris Lattner [Sun, 25 Feb 2007 22:23:15 +0000 (22:23 +0000)]
new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34612 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agonew testcase
Chris Lattner [Sun, 25 Feb 2007 22:02:01 +0000 (22:02 +0000)]
new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34611 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoFix for PR1224.
Jim Laskey [Sun, 25 Feb 2007 21:43:59 +0000 (21:43 +0000)]
Fix for PR1224.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34610 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoTest for PR1224.
Jim Laskey [Sun, 25 Feb 2007 21:43:21 +0000 (21:43 +0000)]
Test for PR1224.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34609 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoRework GlobalValue::removeDeadConstantUsers to always remove dead constant
Chris Lattner [Sun, 25 Feb 2007 21:06:13 +0000 (21:06 +0000)]
Rework GlobalValue::removeDeadConstantUsers to always remove dead constant
exprs hanging off a global, even if the global is not otherwise dead.  This
requires some tricky iterator gymnastics.

This implements Transforms/GlobalOpt/constantexpr-dangle.ll by deleting a
constantexpr that made it appear that the address of the function was taken.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34608 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agonew testcase. @foo should be marked fastcc by globalopt
Chris Lattner [Sun, 25 Feb 2007 21:04:39 +0000 (21:04 +0000)]
new testcase.  @foo should be marked fastcc by globalopt

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34607 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agodisable some noisy debug output
Chris Lattner [Sun, 25 Feb 2007 20:42:59 +0000 (20:42 +0000)]
disable some noisy debug output

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34606 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agono really, this is the right patch
Chris Lattner [Sun, 25 Feb 2007 20:01:40 +0000 (20:01 +0000)]
no really, this is the right patch

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34605 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoalways promote float varargs to double.
Chris Lattner [Sun, 25 Feb 2007 19:59:18 +0000 (19:59 +0000)]
always promote float varargs to double.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34604 91177308-0d34-0410-b5e6-96231b3b80d8

17 years ago1. Provide more detail in file comment.
Reid Spencer [Sun, 25 Feb 2007 19:32:03 +0000 (19:32 +0000)]
1. Provide more detail in file comment.
2. Move comments for methods to .h file, delete them in .cpp file.
3. All places that were doing manual clear of high order bits now call the
   clearUnusedBits() method in order to not depend on undefined behavior
   of the >> operator when the number of bits shifted equals the word size.
4. Reduced # of loc by using the new result of clearUnusedBits() method.
5. Simplified logic (decreased indentation) in a few places.
6. Added code comments to larger functions that needed them.
7. Added FIXME notes about weak implementations of things (e.g. bit-by-bit
   shift right is sub-optimal).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34603 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoFix clearUnusedBits to not depend on "undefined behavior" of >> operator
Reid Spencer [Sun, 25 Feb 2007 19:26:01 +0000 (19:26 +0000)]
Fix clearUnusedBits to not depend on "undefined behavior" of >> operator
when the bit size is equal to the word size. This happens to work out okay
on x86, but might not on other platforms. The change just detects when
there are no bits to clear (because BitWidth is a multiple of the word size)
and returns early.

Also, move some comments from .cpp file into header.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34602 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoone important bugfix: PPC32 didn't have both elf and macho support for
Chris Lattner [Sun, 25 Feb 2007 19:20:53 +0000 (19:20 +0000)]
one important bugfix: PPC32 didn't have both elf and macho support for
external symbols and global addresses.  Add the missing ones.

one important workaround: PPCISD::CALL is matched by both PPCcall_ELF
and PPCcall_Macho, disable the _ELF patterns for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34601 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoadd -enable-eh
Chris Lattner [Sun, 25 Feb 2007 18:50:48 +0000 (18:50 +0000)]
add -enable-eh

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34600 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agooptimize duplicate ValueMap lookups
Chris Lattner [Sun, 25 Feb 2007 18:40:32 +0000 (18:40 +0000)]
optimize duplicate ValueMap lookups

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34599 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agocosmetic changes from review of last patch. obvious
Dale Johannesen [Sun, 25 Feb 2007 18:31:31 +0000 (18:31 +0000)]
cosmetic changes from review of last patch.  obvious

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34598 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoA couple of more places where a register liveness has been extended and its last...
Evan Cheng [Sun, 25 Feb 2007 09:51:27 +0000 (09:51 +0000)]
A couple of more places where a register liveness has been extended and its last kill should be updated accordingly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34597 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoAdd an assertion.
Evan Cheng [Sun, 25 Feb 2007 09:47:31 +0000 (09:47 +0000)]
Add an assertion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34596 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoFix a couple of bugs related IsDead back propagation during coalescing.
Evan Cheng [Sun, 25 Feb 2007 09:46:31 +0000 (09:46 +0000)]
Fix a couple of bugs related IsDead back propagation during coalescing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34595 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoIf the liveinterval of the source instruction has been extended, remove the IsKill...
Evan Cheng [Sun, 25 Feb 2007 09:41:59 +0000 (09:41 +0000)]
If the liveinterval of the source instruction has been extended, remove the IsKill marker.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34594 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoOnly add liveinterval to livein set if it isn't assigned a stack slot.
Evan Cheng [Sun, 25 Feb 2007 09:39:02 +0000 (09:39 +0000)]
Only add liveinterval to livein set if it isn't assigned a stack slot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34593 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agofastcc functions that return double values now return them in xmm0 on x86-32.
Chris Lattner [Sun, 25 Feb 2007 09:31:16 +0000 (09:31 +0000)]
fastcc functions that return double values now return them in xmm0 on x86-32.
This implements CodeGen/X86/fp-stack-ret.ll:test[23]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34592 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoverify that double is returned in XMM0 if the function is fastcc.
Chris Lattner [Sun, 25 Feb 2007 09:30:03 +0000 (09:30 +0000)]
verify that double is returned in XMM0 if the function is fastcc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34591 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoallow vectors to be passed to stdcall/fastcall functions
Chris Lattner [Sun, 25 Feb 2007 09:14:25 +0000 (09:14 +0000)]
allow vectors to be passed to stdcall/fastcall functions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34590 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agomove LowerRET into the 'Return Value Calling Convention Implementation'
Chris Lattner [Sun, 25 Feb 2007 09:12:39 +0000 (09:12 +0000)]
move LowerRET into the 'Return Value Calling Convention Implementation'
section of the file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34589 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agomake all Lower*CallTo implementations use LowerCallResult to handle their
Chris Lattner [Sun, 25 Feb 2007 09:10:05 +0000 (09:10 +0000)]
make all Lower*CallTo implementations use LowerCallResult to handle their
result value stuff.  This eliminates a bunch of duplicated code and now
GetRetValueLocs is the sole place that decides where a value is returned.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34588 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agopass the calling convention into Lower*CallTo, instead of using ad-hoc flags.
Chris Lattner [Sun, 25 Feb 2007 09:06:15 +0000 (09:06 +0000)]
pass the calling convention into Lower*CallTo, instead of using ad-hoc flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34587 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agofactor a bunch of code out of LowerCCCCallTo into a new LowerCallResult
Chris Lattner [Sun, 25 Feb 2007 08:59:22 +0000 (08:59 +0000)]
factor a bunch of code out of LowerCCCCallTo into a new LowerCallResult
function.  This function now uses GetRetValueLocs to determine *where*
the result values are located and concerns itself with *how* to pull the
values out.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34586 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agomove some code around, pass in calling conv, even though it is unused
Chris Lattner [Sun, 25 Feb 2007 08:29:00 +0000 (08:29 +0000)]
move some code around, pass in calling conv, even though it is unused

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34585 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agofold trivial token factor nodes. This allows us to compile
Chris Lattner [Sun, 25 Feb 2007 08:24:27 +0000 (08:24 +0000)]
fold trivial token factor nodes.  This allows us to compile
test/CodeGen/X86/fp-stack-ret.ll into:

        movl 4(%esp), %eax
        fldl (%eax)
        ret

instead of:

        subl $12, %esp
        movl 16(%esp), %eax
        movsd (%eax), %xmm0
        movsd %xmm0, (%esp)
        fldl (%esp)
        addl $12, %esp
        ret

by eliminating a token factor that blocked a check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34584 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agonew testcase
Chris Lattner [Sun, 25 Feb 2007 08:23:01 +0000 (08:23 +0000)]
new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34583 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agosimplify result value lowering by splitting the selection of *where* to return
Chris Lattner [Sun, 25 Feb 2007 08:15:11 +0000 (08:15 +0000)]
simplify result value lowering by splitting the selection of *where* to return
registers out from the logic of *how* to return them.

This changes X86-64 to mark EAX live out when returning a 32-bit value,
where before it marked RAX liveout.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34582 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoAllow this to compile now that the header file is checked in.
Reid Spencer [Sun, 25 Feb 2007 07:30:14 +0000 (07:30 +0000)]
Allow this to compile now that the header file is checked in.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34581 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoAdd a private constructor for efficiency.
Reid Spencer [Sun, 25 Feb 2007 07:29:03 +0000 (07:29 +0000)]
Add a private constructor for efficiency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34580 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agomake void-return not a special case
Chris Lattner [Sun, 25 Feb 2007 07:18:38 +0000 (07:18 +0000)]
make void-return not a special case

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34579 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoeliminate a bunch more temporary vectors from X86 lowering.
Chris Lattner [Sun, 25 Feb 2007 07:10:00 +0000 (07:10 +0000)]
eliminate a bunch more temporary vectors from X86 lowering.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34578 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoeliminate temporary vectors created during X86 lowering.
Chris Lattner [Sun, 25 Feb 2007 06:40:16 +0000 (06:40 +0000)]
eliminate temporary vectors created during X86 lowering.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34577 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoremove std::vector's in RET lowering.
Chris Lattner [Sun, 25 Feb 2007 06:21:57 +0000 (06:21 +0000)]
remove std::vector's in RET lowering.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34576 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoverify i128 return on x86-64 continues to codegen optimally.
Chris Lattner [Sun, 25 Feb 2007 06:06:49 +0000 (06:06 +0000)]
verify i128 return on x86-64 continues to codegen optimally.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34575 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoimplement support for the linux/ppc function call ABI. Patch by
Chris Lattner [Sun, 25 Feb 2007 05:34:32 +0000 (05:34 +0000)]
implement support for the linux/ppc function call ABI.  Patch by
Nicolas Geoffray!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34574 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoAdd XLForm_1_ext template, patch by Nicolas Geoffray.
Chris Lattner [Sun, 25 Feb 2007 05:07:49 +0000 (05:07 +0000)]
Add XLForm_1_ext template, patch by Nicolas Geoffray.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34573 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agoImprove JIT support for linux/ppc: Patch by Nicolas Geoffray!
Chris Lattner [Sun, 25 Feb 2007 05:04:13 +0000 (05:04 +0000)]
Improve JIT support for linux/ppc: Patch by Nicolas Geoffray!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34572 91177308-0d34-0410-b5e6-96231b3b80d8

17 years agothis doesn't compile, disable it
Chris Lattner [Sun, 25 Feb 2007 02:32:44 +0000 (02:32 +0000)]
this doesn't compile, disable it

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34571 91177308-0d34-0410-b5e6-96231b3b80d8