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path: root/lib/CodeGen/SelectionDAG/CallingConvLower.cpp
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2008-09-26Add "inreg" field to CallSDNode (doesn't increaseDale Johannesen
its size). Adjust various lowering functions to pass this info through from CallInst. Use it to implement sseregparm returns on X86. Remove X86_ssecall calling convention. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56677 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-13Define CallSDNode, an SDNode subclass for use with ISD::CALL.Dan Gohman
Currently it just holds the calling convention and flags for isVarArgs and isTailCall. And it has several utility methods, which eliminate magic 5+2*i and similar index computations in several places. CallSDNodes are not CSE'd. Teach UpdateNodeOperands to handle nodes that are not CSE'd gracefully. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56183 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-07- Doh. Pass vector by value is bad.Evan Cheng
- Add a AnalyzeCallResult specialized for calls which produce a single value. This is used by fastisel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55879 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-05Add a variant of AnalyzeCallOperands that can be used by fast isel.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55838 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-11Trim unnecessary #includes.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53471 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-30Correct the allocation size for CCState's UsedRegs member, whichDan Gohman
only needs one bit for each register. UsedRegs is a SmallVector sized at 16, so this eliminates a heap allocation/free for every call and return processed by Legalize on most targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52915 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-06Wrap MVT::ValueType in a struct to get type safetyDuncan Sands
and better control the abstraction. Rename the type to MVT. To update out-of-tree patches, the main thing to do is to rename MVT::ValueType to MVT, and rewrite expressions like MVT::getSizeInBits(VT) in the form VT.getSizeInBits(). Use VT.getSimpleVT() to extract a MVT::SimpleValueType for use in switch statements (you will get an assert failure if VT is an extended value type - these shouldn't exist after type legalization). This results in a small speedup of codegen and no new testsuite failures (x86-64 linux). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52044 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-21Introduce a new node for holding call argumentDuncan Sands
flags. This is needed by the new legalize types infrastructure which wants to expand the 64 bit constants previously used to hold the flags on 32 bit machines. There are two functional changes: (1) in LowerArguments, if a parameter has the zext attribute set then that is marked in the flags; before it was being ignored; (2) PPC had some bogus code for handling two word arguments when using the ELF 32 ABI, which was hard to convert because of the bogusness. As suggested by the original author (Nicolas Geoffray), I've disabled it for the moment. Tested with "make check" and the Ada ACATS testsuite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48640 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-10Increase ISD::ParamFlags to 64 bits. Increase the ByValSizeDale Johannesen
field to 32 bits, thus enabling correct handling of ByVal structs bigger than 0x1ffff. Abstract interface a bit. Fixes gcc.c-torture/execute/pr23135.c and gcc.c-torture/execute/pr28982b.c in gcc testsuite (were ICE'ing on ppc32, quietly producing wrong code on x86-32.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48122 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-10Rename MRegisterInfo to TargetRegisterInfo.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46930 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-15Oops. Forgot to commit this.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46002 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-15ByVal stack slot alignment should be at least as large as pointer ABI alignment.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45995 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-29Remove attribution from file headers, per discussion on llvmdev.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-10propagate struct size and alignment of byval arguments to the DAGRafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40986 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-19add isVarArg to CCStateChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37640 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28add methods for analysis of call results and return nodes.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34738 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28add methods to analyze calls and formals.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34736 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
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