Commit Graph

15 Commits

Author SHA1 Message Date
Chris Lattner
1eb1b68e3a Fix an inconsistency in the x86 backend that led it to reject "calll foo" on
x86-32: 32-bit calls were named "call" not "calll".  64-bit calls were correctly
named "callq", so this only impacted x86-32.

This fixes rdar://8456370 - llvm-mc rejects 'calll'

This also exposes that mingw/64 is generating a 32-bit call instead of a 64-bit call,
I will file a bugzilla.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114534 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-22 05:49:14 +00:00
Jakob Stoklund Olesen
9c2e7ca351 Be more forgiving when calculating alias interference for physreg coalescing.
It is OK for an alias live range to overlap if there is a copy to or from the
physical register. CoalescerPair can work out if the copy is coalescable
independently of the alias.

This means that we can join with the actual destination interval instead of
using the getOrigDstReg() hack. It is no longer necessary to merge clobber
ranges into subregisters.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107695 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06 20:31:51 +00:00
Dan Gohman
584fedf188 Teach two-address lowering how to unfold a load to open up commuting
opportunities. For example, this lets it emit this:

   movq (%rax), %rcx
   addq %rdx, %rcx

instead of this:

   movq %rdx, %rcx
   addq (%rax), %rcx

in the case where %rdx has subsequent uses. It's the same number
of instructions, and usually the same encoding size on x86, but
it appears faster, and in general, it may allow better scheduling
for the load.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106493 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-21 22:17:20 +00:00
Dan Gohman
9f23dee08c Start function numbering at 0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101638 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17 16:29:15 +00:00
Evan Cheng
3c262eec53 Allow trivial sibcall of vararg callee when no arguments are being passed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99598 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-26 02:13:13 +00:00
Chris Lattner
b0f129a5d9 simplify code to use OutContext.GetOrCreateTemporarySymbol with
no arguments instead of having to come up with a unique name.
This also makes the code less fragile.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98364 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-12 18:47:50 +00:00
Evan Cheng
b17124553d Perform trivial tail call optimization for callees with "C" ABI. These are done
even when -tailcallopt is not specified and it does not require changing ABI.
First case is the most trivial one. Perform tail call optimization when both
the caller and callee do not return values and when the callee does not take
any input arguments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94664 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-27 06:25:16 +00:00
Evan Cheng
d36076e4a3 Turn on post-alloc scheduling for x86.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84431 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-18 19:57:27 +00:00
Dan Gohman
e3cc3f3c84 Instead of printing unnecessary basic block labels as labels in
verbose-asm mode, print comments instead. This eliminates a non-comment
difference between verbose-asm mode and non-verbose-asm mode.

Also, factor out the relevant code out of all the targets and into
target-independent code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83392 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-06 17:38:38 +00:00
Chris Lattner
4c66f729c9 merge the linux cpool/jtbl pic tests into pic.ll and convert to filecheck.
Change the picbase symbol on non-darwin systems from ".Lllvm$4.$piclabel" to
".L4$pb".  The actual name doesn't matter and the darwin name is shorter.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81688 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-13 18:46:37 +00:00
Chris Lattner
4f8fb4973d turn on -experimental-asm-printer for x86 / AT&T by default.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81532 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 17:07:27 +00:00
Chris Lattner
33c6aa6692 disable the new asmprinter by default. Both the Mangler and MCSymbol
printing stuff are quoting symbols now, breaking objc testcases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81319 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-09 06:11:14 +00:00
Chris Lattner
ab9642ff8f turn the mcinst asmprinter on by default for x86, tweaking two tests to
expect the slight syntax differences in the generated code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81305 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-09 00:41:36 +00:00
Chris Lattner
46d061dd28 merge all the basic linux/32 pic tests together into one test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80902 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-03 06:29:23 +00:00
Chris Lattner
1c9c4a75e8 rename test
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80901 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-03 06:16:49 +00:00