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2007-02-28Doh. ARM::PC is obvious a reserved register.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34763 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28Add intelligence about where to break large blocks.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34755 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28remove dead optionChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34754 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28bugfix: fastcall does not require the first two params to be marked 'inreg',Chris Lattner
they always get registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34748 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28More Mach-O writer improvements.Nate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34740 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28use high-level functions in CCStateChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34739 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28make use of helper functions in CCState for analyzing formals and calls.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34737 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28switch LowerFastCCCallTo over to using the new fastcall description.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34734 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28switch LowerFastCCArguments over to using the autogenerated Fastcall ↵Chris Lattner
description. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34733 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28add new CC_X86_32_FastCall calling conv, which describes fastcall on win32.Chris Lattner
Factor out a CC_X86_32_Common convention, which is the part shared between ccc, stdcall and fastcall git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34732 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28rearrange codeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34731 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28remove fastcc (not fastcall) supportChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34730 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28switch LowerCCCArguments over to using autogenerated CC.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34729 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28simplify sret handlingChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34728 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28switch LowerCCCCallTo over to using an autogenerated callingconvChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34727 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28rename stuffChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34726 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28rename some CCActions, add CCIfInRegChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34725 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28switch return value passing and the x86-64 calling convention informationChris Lattner
over to being autogenerated from the X86CallingConv.td file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34722 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28make subtarget references work.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34721 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28Make requiresRegisterScavenging determination on a per MachineFunction basis.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34711 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28Temporary: make R12 available in ARM mode if RegScavenger is being used.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34709 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28Start making use of RegScavenger.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34708 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28PEI now passes a RegScavenger ptr to eliminateFrameIndex.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34707 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27Minor tweak. Allocate r0 to r3 in reverse order, r3 is least likely to be ↵Evan Cheng
livein to a function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34701 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27reenable generation of CC infoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34699 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27Back out previous commit temporarily.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34694 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27Let MRegisterInfo now owns RegScavenger; eliminateFrameIndex must preserve ↵Evan Cheng
register kill info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34692 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27implement CCMatchIfCC in terms of CCMatchIfChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34685 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27build cc infoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34684 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27a noteChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34670 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27Fix parenthesis for BCTRL_{ELF|Macho} test.Nicolas Geoffray
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34668 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27Differentiate between the MachO and the ELF ABI the CALL instruction.Nicolas Geoffray
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34667 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27Duplicate use of LR, take 2.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34666 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27Add calling convention infoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34661 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27move target independent calling convention stuff to TargetCallingConv.tdChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34659 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27fill in some holesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34658 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27switch x86-64 return value lowering over to using same mechanism as argumentChris Lattner
lowering uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34657 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27Minor refactoring of CC Lowering interfacesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34656 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27move CC Lowering stuff to its own public interfaceChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34655 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27refactor x86-64 argument lowering yet again, this time eliminating templates,Chris Lattner
'clients', etc, and adding CCValAssign instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34654 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27Backing out Jim's LR spill changes. This was causing llvm-gcc bootstrappingEvan Cheng
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
2007-02-26always lower to RETFLAG, never leave it as just ret.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34639 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26fix attributionChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34637 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26Add a description of the X86-64 calling convention and the returnChris Lattner
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
2007-02-26switch to smallvectorChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34633 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26initial hack at splitting the x86-64 calling convention info out from theChris Lattner
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
2007-02-26the truncate must always be done, it's only the assert that is conditional.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34628 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26add an accessor.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34625 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-26in X86-64 CCC, i8/i16 arguments are already properly zext/sext'd on input.Chris Lattner
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
2007-02-25Fix an X86-64 abi bug. We now compile:Chris Lattner
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
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