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Commit Graph

27 Commits

Author SHA1 Message Date
Chad Rosier
76e60fbe46 Add an ensureMaxAlignment() function to MachineFrameInfo (analogous to
ensureAlignment() in MachineFunction).  Also, drop setMaxAlignment() in
favor of this new function.  This creates a main entry point to setting
MaxAlignment, which will be helpful for future work.  No functionality
change intended.

llvm-svn: 158758
2012-06-19 22:59:12 +00:00
Jakob Stoklund Olesen
be0b8939c0 Switch all register list clients to the new MC*Iterator interface.
No functional change intended.

Sorry for the churn. The iterator classes are supposed to help avoid
giant commits like this one in the future. The TableGen-produced
register lists are getting quite large, and it may be necessary to
change the table representation.

This makes it possible to do so without changing all clients (again).

llvm-svn: 157854
2012-06-01 23:28:30 +00:00
Craig Topper
8cc9d75c6a Use uint16_t to store register overlaps to reduce static data.
llvm-svn: 152001
2012-03-04 10:43:23 +00:00
Cameron Zwarich
7f353f2163 Rename the ParmContext enum values to make a bit more sense and add a small
comment on their meaning.

llvm-svn: 132854
2011-06-10 20:37:36 +00:00
Cameron Zwarich
cc21e3fc58 Remove tabs.
llvm-svn: 132853
2011-06-10 20:31:39 +00:00
Cameron Zwarich
0019f5de6c Remove a pointless const_cast.
llvm-svn: 132852
2011-06-10 20:30:08 +00:00
Eric Christopher
88088d9b8a Recommit r132764 since it didn't cause the windows buildbot failures.
llvm-svn: 132776
2011-06-09 15:39:01 +00:00
Eric Christopher
386e80f51e Temporarily revert 132764 to see if it fixes the Windows buildbot.
llvm-svn: 132771
2011-06-09 06:29:54 +00:00
Eric Christopher
65f7ea8a35 If the alignment of the byval argument is greater than the alignment
of the frame then increase the maximum alignment of the frame to
match.

Fixes PR6965

llvm-svn: 132764
2011-06-09 00:15:19 +00:00
Eric Christopher
1ae9ec6124 Add a parameter to CCState so that it can access the MachineFunction.
No functional change.

Part of PR6965

llvm-svn: 132763
2011-06-08 23:55:35 +00:00
Stuart Hastings
837a958ff6 Reverting 132105: it broke some LLVM-GCC DejaGNU tests.
llvm-svn: 132108
2011-05-26 04:09:49 +00:00
Stuart Hastings
e704bfb21e Correctly handle a one-word struct passed byval on x86_64.
rdar://problem/6920088

llvm-svn: 132105
2011-05-26 02:44:56 +00:00
Stuart Hastings
581113d8a0 Revert 131467 due to buildbot complaint.
llvm-svn: 131469
2011-05-17 16:59:46 +00:00
Stuart Hastings
a2509a7ec3 Fix an obscure issue in X86_64 parameter passing: if a tiny byval is
passed as the fifth parameter, insure it's passed correctly (in R9).
rdar://problem/6920088

llvm-svn: 131467
2011-05-17 16:45:55 +00:00
Stuart Hastings
a552942e02 ARM byval support. Will be enabled by another patch to the FE. <rdar://problem/7662569>
llvm-svn: 129858
2011-04-20 16:47:52 +00:00
Eric Christopher
94626fc599 Improve readability with some whitespace!
llvm-svn: 127043
2011-03-04 22:47:12 +00:00
Stuart Hastings
539d4e1460 Support for byval parameters on ARM. Will be enabled by a forthcoming
patch to the front-end.  Radar 7662569.

llvm-svn: 126655
2011-02-28 17:17:53 +00:00
Jakob Stoklund Olesen
7ee6f83da1 Simplify CCState's use of register aliases.
llvm-svn: 121806
2010-12-14 23:28:01 +00:00
Duncan Sands
3bf2a701a5 In the calling convention logic, ValVT is always a legal type,
and as such can be represented by an MVT - the more complicated
EVT is not needed.  Use MVT for ValVT everywhere.

llvm-svn: 118245
2010-11-04 10:49:57 +00:00
Duncan Sands
f6e5e02c9b Inside the calling convention logic LocVT is always a simple
value type, so there is no point in passing it around using
an EVT.  Use the simpler MVT everywhere.  Rather than trying
to propagate this information maximally in all the code that
using the calling convention stuff, I chose to do a mainly
low impact change instead.

llvm-svn: 118167
2010-11-03 11:35:31 +00:00
Dan Gohman
fef30fcd5e Reapply bottom-up fast-isel, with several fixes for x86-32:
- Check getBytesToPopOnReturn().
 - Eschew ST0 and ST1 for return values.
 - Fix the PIC base register initialization so that it doesn't ever
   fail to end up the top of the entry block.

llvm-svn: 108039
2010-07-10 09:00:22 +00:00
Bob Wilson
9e8c9204ef --- Reverse-merging r107947 into '.':
U    utils/TableGen/FastISelEmitter.cpp
--- Reverse-merging r107943 into '.':
U    test/CodeGen/X86/fast-isel.ll
U    test/CodeGen/X86/fast-isel-loads.ll
U    include/llvm/Target/TargetLowering.h
U    include/llvm/Support/PassNameParser.h
U    include/llvm/CodeGen/FunctionLoweringInfo.h
U    include/llvm/CodeGen/CallingConvLower.h
U    include/llvm/CodeGen/FastISel.h
U    include/llvm/CodeGen/SelectionDAGISel.h
U    lib/CodeGen/LLVMTargetMachine.cpp
U    lib/CodeGen/CallingConvLower.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
U    lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
U    lib/CodeGen/SelectionDAG/FastISel.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
U    lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
U    lib/CodeGen/SelectionDAG/InstrEmitter.cpp
U    lib/CodeGen/SelectionDAG/TargetLowering.cpp
U    lib/Target/XCore/XCoreISelLowering.cpp
U    lib/Target/XCore/XCoreISelLowering.h
U    lib/Target/X86/X86ISelLowering.cpp
U    lib/Target/X86/X86FastISel.cpp
U    lib/Target/X86/X86ISelLowering.h

llvm-svn: 107987
2010-07-09 16:37:18 +00:00
Dan Gohman
7e6e4dd058 Re-apply bottom-up fast-isel, with fixes. Be very careful to avoid emitting
a DBG_VALUE after a terminator, or emitting any instructions before an EH_LABEL.

llvm-svn: 107943
2010-07-09 00:39:23 +00:00
Dan Gohman
4dcc56a102 Revert 107840 107839 107813 107804 107800 107797 107791.
Debug info intrinsics win for now.

llvm-svn: 107850
2010-07-08 01:00:56 +00:00
Dan Gohman
424cc6b616 Add X86FastISel support for return statements. This entails refactoring
a bunch of stuff, to allow the target-independent calling convention
logic to be employed.

llvm-svn: 107800
2010-07-07 18:32:53 +00:00
Dan Gohman
c768525273 Split the SDValue out of OutputArg so that SelectionDAG-independent
code can do calling-convention queries. This obviates OutputArgReg.

llvm-svn: 107786
2010-07-07 15:54:55 +00:00
Dan Gohman
28eddf12ea Move CallingConvLower.cpp out of the SelectionDAG directory.
llvm-svn: 107781
2010-07-07 15:15:27 +00:00