insignificant, but next up is proper stack frame layout!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25497 91177308-0d34-0410-b5e6-96231b3b80d8

Fix CodeGen/PowerPC/2006-01-20-ShiftPartsCrash.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25496 91177308-0d34-0410-b5e6-96231b3b80d8

new testcase that crashes llc for ppc

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25495 91177308-0d34-0410-b5e6-96231b3b80d8

Rename fcmovae to fcmovnb and fcmova to fcmovnbe (following Intel manual).
Some assemblers can't recognize the aliases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25494 91177308-0d34-0410-b5e6-96231b3b80d8

Do some code refactoring on Jim's scheduler in preparation of the new list
scheduler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25493 91177308-0d34-0410-b5e6-96231b3b80d8

trivial formatting improvement: don't insert extra blank lines between .comm
vars.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25492 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify search for abbreviations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25491 91177308-0d34-0410-b5e6-96231b3b80d8

Correct some simple errors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25490 91177308-0d34-0410-b5e6-96231b3b80d8

Right size integer values before emitting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25489 91177308-0d34-0410-b5e6-96231b3b80d8

Make the C writer work with packed types.  printContainedStructs is
still not quite right and will be fixed later.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25488 91177308-0d34-0410-b5e6-96231b3b80d8

Reworked how Dwarf debug info entries and abbreviations are handled.  Added
pubnames and debuy str sections.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25487 91177308-0d34-0410-b5e6-96231b3b80d8

remove RET hack, add proper support for rets (watching out for ret voids)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25486 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify CWriter::printContainedStructs, also allowing it to work with
PackedTypes as a side-effect.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25485 91177308-0d34-0410-b5e6-96231b3b80d8

LowerReturn now doesn't have to handle f32 returns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25484 91177308-0d34-0410-b5e6-96231b3b80d8

remove some unintentionally committed code

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25483 91177308-0d34-0410-b5e6-96231b3b80d8

If the target doesn't support f32 natively, insert the FP_EXTEND in target-indep
code, so that the LowerReturn code doesn't have to handle it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25482 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed InitializeMemory to handle ConstantPacked.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25481 91177308-0d34-0410-b5e6-96231b3b80d8

Remove dead expression.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25480 91177308-0d34-0410-b5e6-96231b3b80d8

Don't use invalidated use_iterator's.  This fixes a crash compiling povray

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25479 91177308-0d34-0410-b5e6-96231b3b80d8

fix sext breakage: now we correctly deal with functions that return
int vs uint

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25478 91177308-0d34-0410-b5e6-96231b3b80d8

Update Windows version of config.h to note availability of floor/floorf/ceil/ceilf.
Also pulled Windows-specific modifications to config.h.in to a separate file, so
that changes to it trigger regeneration of config.h (which doesn't happen when the
custom build step for it changes).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25477 91177308-0d34-0410-b5e6-96231b3b80d8

fix storing bools! eek!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25476 91177308-0d34-0410-b5e6-96231b3b80d8

Add a test case for PR697, ensuring the linker works with ConstantPacked.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25475 91177308-0d34-0410-b5e6-96231b3b80d8

Stop doing that accidental commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25474 91177308-0d34-0410-b5e6-96231b3b80d8

A few more SH{L|R}D peepholes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25473 91177308-0d34-0410-b5e6-96231b3b80d8

Added a load folding bug test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25472 91177308-0d34-0410-b5e6-96231b3b80d8

Prevent folding of a node with multiple uses if the node already folds a load!
Here is an example where the load ended up being done twice:

%A = global uint 0

uint %test(uint %B, ubyte %C) {
%tmp = load uint *%A;
%X = shl uint %tmp, ubyte %C
%Cv = sub ubyte 32, %C
%Y = shr uint %B, ubyte %Cv
%Z = or uint %Y, %X
store uint %Z, uint* %A
ret uint %Z
}

==>

subl $4, %esp
movl %ebx, (%esp)
movl 8(%esp), %edx
movl A, %eax
movb 12(%esp), %bl
movb %bl, %cl
shldl %cl, %edx, %eax
movb %bl, %cl
shldl %cl, %edx, A
movl (%esp), %ebx
addl $4, %esp
ret

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25471 91177308-0d34-0410-b5e6-96231b3b80d8

ConstantFoldLoadThroughGEPConstantExpr wasn't handling pointers to
packed types correctly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25470 91177308-0d34-0410-b5e6-96231b3b80d8

Didn't mean to commit the last one.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25469 91177308-0d34-0410-b5e6-96231b3b80d8

Added i16 SH{L|R}D patterns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25468 91177308-0d34-0410-b5e6-96231b3b80d8

add support for ConstantPacked to the linker

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25467 91177308-0d34-0410-b5e6-96231b3b80d8

Don't include generated lexer .cpp files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25466 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fix. Flag operand number may be calculated incorrectly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25465 91177308-0d34-0410-b5e6-96231b3b80d8

typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25464 91177308-0d34-0410-b5e6-96231b3b80d8

nasty nasty patterns

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25463 91177308-0d34-0410-b5e6-96231b3b80d8

fix boolean XOR (which fixes up comparisons..)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25462 91177308-0d34-0410-b5e6-96231b3b80d8

BOOM!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25460 91177308-0d34-0410-b5e6-96231b3b80d8

click click

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25459 91177308-0d34-0410-b5e6-96231b3b80d8

Use pattern information to determine whether the use expects this
instruction to produce a result. e.g MUL8m, the instruction does not
produce a explicit result. However it produces an implicit result in
AL which would be copied to a temp. The root operator of the matching
pattern is a mul so the use would expect it to produce a result.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25458 91177308-0d34-0410-b5e6-96231b3b80d8

Avoid generating a redundant setcc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25457 91177308-0d34-0410-b5e6-96231b3b80d8

For PR696:
Don't do floor->floorf conversion if floorf is not available. This checks
the compiler's host, not its target, which is incorrect for cross-compilers
Not sure that's important as we don't build many cross-compilers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25456 91177308-0d34-0410-b5e6-96231b3b80d8

fix calls that return f32

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25455 91177308-0d34-0410-b5e6-96231b3b80d8

Make sure that libm is used during config tests so that ceil, floor, and
friends are actually detected.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25454 91177308-0d34-0410-b5e6-96231b3b80d8

For PR696:
Add checks for ceil, ceilf, floor, and floorf

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25453 91177308-0d34-0410-b5e6-96231b3b80d8

Implement casts.ll:test26: a cast from float -> double -> integer, doesn't
need the float->double part.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25452 91177308-0d34-0410-b5e6-96231b3b80d8

Add a new testcase for an eliminable cast

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25451 91177308-0d34-0410-b5e6-96231b3b80d8

implement support for f32 arguments past the first 6 words

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25450 91177308-0d34-0410-b5e6-96231b3b80d8

This test passes now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25449 91177308-0d34-0410-b5e6-96231b3b80d8

1. Identify bytecode modules that have upgraded intrinsics by setting a
   boolean flag if we read a function prototype that needs upgrading.
2. Don't upgrade the CallInst instruction until after its been inserted
   into the basic block, and only if we know that we have seen an
   upgraded intrinsic function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25448 91177308-0d34-0410-b5e6-96231b3b80d8

Don't forget about casting the result of an upgraded call to an intrinsic
in the case where it needs to cast back to a signed type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25447 91177308-0d34-0410-b5e6-96231b3b80d8

1. Documentation upgrade.
2. Have UpgradeInstrinicCall return an Instruction* instead of a CallInst*
   and return the needed CastInst* if the result of the upgraded call needs
   to be casted back to a signed type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25446 91177308-0d34-0410-b5e6-96231b3b80d8

Add a flag to identify bytecode files that have intrinsic functions that
need to be upgraded.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25445 91177308-0d34-0410-b5e6-96231b3b80d8

adc and sbb need an incoming flag to ensure it reads the carry flag
from add / sub.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25444 91177308-0d34-0410-b5e6-96231b3b80d8

make this work for Reid, who renamed his CVS module dir :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25443 91177308-0d34-0410-b5e6-96231b3b80d8

new testcase the autoupgrader in the bc reader fails to handle

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25442 91177308-0d34-0410-b5e6-96231b3b80d8

Make get_suffix faster by using a switch on getTypeID rather than a series
of comparisons on the various type objects.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25441 91177308-0d34-0410-b5e6-96231b3b80d8

Another typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25440 91177308-0d34-0410-b5e6-96231b3b80d8

add a note

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25439 91177308-0d34-0410-b5e6-96231b3b80d8

Two peepholes:
(or (x >> c) | (y << (32 - c))) ==> (shrd x, y, c)
(or (x << c) | (y >> (32 - c))) ==> (shld x, y, c)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25438 91177308-0d34-0410-b5e6-96231b3b80d8

Prevent unnecessary CopyToReg when the same HW register appears in two spots
in the pattern.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25437 91177308-0d34-0410-b5e6-96231b3b80d8

Didn't mean to check that in.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25436 91177308-0d34-0410-b5e6-96231b3b80d8

A obvious typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25435 91177308-0d34-0410-b5e6-96231b3b80d8

Make sure intrinsic auto-upgrade is invoked correctly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25434 91177308-0d34-0410-b5e6-96231b3b80d8

Don't accept the ctpop, cttz, or ctlz intrinsics with signed arguments. The
interface requires unsigned arguments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25433 91177308-0d34-0410-b5e6-96231b3b80d8

Add a new interface function to AutoUpgrade for simultaneously upgrading
the Function and the CallInst: UpgradeCallsToIntrinsic(Function*). Also,
re-factor the AutoUpgrade implementation to eliminate some duplication of
code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25432 91177308-0d34-0410-b5e6-96231b3b80d8

Expand test to cover the non-overloaded variants of the arithmetic and
floating point intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25431 91177308-0d34-0410-b5e6-96231b3b80d8

If not internalizing, don't mark llvm.global[cd]tors const, as a fix for a
hypothetical future boog.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25430 91177308-0d34-0410-b5e6-96231b3b80d8

Don't internalize llvm.global[cd]tor unless there are uses of it.  This
unbreaks front-ends that don't use __main (like the new CFE).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25429 91177308-0d34-0410-b5e6-96231b3b80d8

was ignoring the legalized chain in this case, fixed SPASS on alpha

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25428 91177308-0d34-0410-b5e6-96231b3b80d8

a reduced test case, the GlobalAddress is never legalized

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25427 91177308-0d34-0410-b5e6-96231b3b80d8

Get rid of code in the DAGCombiner that is duplicated in SelectionDAG.cpp
Now all constant folding in the code generator is in one place.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25426 91177308-0d34-0410-b5e6-96231b3b80d8

Temporary work around for a libcall insertion bug: If a target doesn't
support FSIN/FCOS nodes, do not lower sin/cos to them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25425 91177308-0d34-0410-b5e6-96231b3b80d8

Make sure that cloning a module clones its target triple and dependent
library list as well.  This should help bugpoint.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25424 91177308-0d34-0410-b5e6-96231b3b80d8

Don't assert on 'select_cc SETUO'

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25423 91177308-0d34-0410-b5e6-96231b3b80d8

fix out of date comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25422 91177308-0d34-0410-b5e6-96231b3b80d8

Fix Regression/CodeGen/PowerPC/2006-01-18-InvalidBranchOpcodeAssert.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25421 91177308-0d34-0410-b5e6-96231b3b80d8

new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25420 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a backwards conditional that caused an inf loop in some cases.  This
fixes: test/Regression/CodeGen/Generic/2005-01-18-SetUO-InfLoop.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25419 91177308-0d34-0410-b5e6-96231b3b80d8

this testcase sent the dag combiner spinning into an infinite loop

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25418 91177308-0d34-0410-b5e6-96231b3b80d8

Added minimum Dwarf aranges.  Cleaned up some section headers.  Line number
support now works in gdb.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25417 91177308-0d34-0410-b5e6-96231b3b80d8

SRA shift amount must be in i8

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25416 91177308-0d34-0410-b5e6-96231b3b80d8

If a call return type is i1, insert a truncate from X86::AL to i1.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25415 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed style of curly brace.  No functionality changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25414 91177308-0d34-0410-b5e6-96231b3b80d8

Fix lowering of calls which return f32 values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25413 91177308-0d34-0410-b5e6-96231b3b80d8

Pastos.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25412 91177308-0d34-0410-b5e6-96231b3b80d8

fix a broken comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25411 91177308-0d34-0410-b5e6-96231b3b80d8

Add frame work for additional dwarf sections.  Comments will improve as code
is added.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25410 91177308-0d34-0410-b5e6-96231b3b80d8

Test case for the insertelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25409 91177308-0d34-0410-b5e6-96231b3b80d8

VMCore support for the insertelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25408 91177308-0d34-0410-b5e6-96231b3b80d8

Constant folding support for the insertelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25407 91177308-0d34-0410-b5e6-96231b3b80d8

Lowerpacked and SCCP support for the insertelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25406 91177308-0d34-0410-b5e6-96231b3b80d8

Support for the insertelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25405 91177308-0d34-0410-b5e6-96231b3b80d8

Reader support for the insertelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25404 91177308-0d34-0410-b5e6-96231b3b80d8

Lexer and parser support for the insertelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25403 91177308-0d34-0410-b5e6-96231b3b80d8

Instruction and constant expression definitions for the insertelement
operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25402 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fix: missing LegalizeOp() on newly created nodes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25401 91177308-0d34-0410-b5e6-96231b3b80d8

Suppress "no newline at end of file" warnings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25400 91177308-0d34-0410-b5e6-96231b3b80d8

Misc. errors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25399 91177308-0d34-0410-b5e6-96231b3b80d8

Clean up the FFS optimization code, and make it correctly create the appropriate
unsigned llvm.cttz.* intrinsic, fixing the 2005-05-11-Popcount-ffs-fls regression
last night.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25398 91177308-0d34-0410-b5e6-96231b3b80d8

Adding basic support for Dwarf line number debug information.

I promise to keep future commits smaller.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25396 91177308-0d34-0410-b5e6-96231b3b80d8