[mips] Removed IsVarArg from MipsISelLowering::analyzeCallOperands(). NFC.

Summary:
CCState objects already carry this information in their isVarArg() method.

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6084


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221516 91177308-0d34-0410-b5e6-96231b3b80d8
[mips] Move SpecialCallingConv to MipsCCState and use it from tablegen-erated code. NFC

Summary:
In the long run, it should probably become a calling convention in its own
right but for now just move it out of
MipsISelLowering::analyzeCallOperands() so that we can drop this function
in favour of CCState::AnalyzeCallOperands().

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6085


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221517 91177308-0d34-0410-b5e6-96231b3b80d8
[mips] Remove MipsCC::analyzeCallOperands in favour of CCState::AnalyzeCallOperands. NFC

Summary:
In addition to the usual f128 workaround, it was also necessary to provide
a means of accessing ArgListEntry::IsFixed.

Reviewers: theraven, vmedic

Reviewed By: vmedic

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6111

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221518 91177308-0d34-0410-b5e6-96231b3b80d8
[mips] Remove MipsCC::getRegVT(). NFC

Summary: It's no longer used.

Reviewers: vmedic, theraven

Reviewed By: theraven

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6112

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221519 91177308-0d34-0410-b5e6-96231b3b80d8
[mips] Remove remaining use of MipsCC::intArgRegs() in favour of MipsABIInfo::GetByValArgRegs() and MipsABIInfo::GetVarArgRegs()

Summary: Depends on D6112

Reviewers: theraven, vmedic

Reviewed By: vmedic

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6113

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221521 91177308-0d34-0410-b5e6-96231b3b80d8
[mips] Fix unused variable warnings introduced in r221521


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221522 91177308-0d34-0410-b5e6-96231b3b80d8
[mips] Move MipsCCState to a separate file and clang-formatted it.

Summary: Depends on D6113

Reviewers: theraven, vmedic

Reviewed By: vmedic

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6114

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221525 91177308-0d34-0410-b5e6-96231b3b80d8
llvm/test/tools/llvm-symbolizer/ppc64.test: Avoid subshell.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221526 91177308-0d34-0410-b5e6-96231b3b80d8
MipsCCState.h: Use LLVM_DELETED_FUNCTION for msc17.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221527 91177308-0d34-0410-b5e6-96231b3b80d8
[mips] Remove MipsCC::reservedArgArea() in favour of MipsABIInfo::GetCalleeAllocdArgSizeInBytes(). NFC.

Summary:

Reviewers: theraven, vmedic

Reviewed By: vmedic

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6115


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221528 91177308-0d34-0410-b5e6-96231b3b80d8
[mips] Removed the remainder of MipsCC. NFC.

Summary:
One of the calls to AllocateStack (the one in LowerCall) doesn't look like
it should be there but it was there before and removing it breaks the
frame size calculation.

Reviewers: vmedic, theraven

Reviewed By: theraven

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6116

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221529 91177308-0d34-0410-b5e6-96231b3b80d8
Pass PRIVATE to target_link_libraries if using shared libraries.

A shared library (unlike a .a), has its dependencies recorded in the library and
we can pass PRIVATE to target_link_libraries.

This patch then removes some bogus dependencies when using
BUILD_SHARED_LIBS=ON. For example, we go from

build lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/AggressiveAntiDepBreaker.cpp.o:
CXX_COMPILER /home/espindola/llvm/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp
|| include/llvm/IR/intrinsics_gen lib/libLLVMSupport.so
lib/libLLVMCore.so lib/libLLVMBitReader.so
lib/libLLVMTransformUtils.so lib/libLLVMInstCombine.so
lib/libLLVMScalarOpts.so lib/libLLVMipa.so lib/libLLVMAnalysis.so
lib/libLLVMMCParser.so lib/libLLVMMC.so lib/libLLVMObject.so
lib/libLLVMTarget.so lib/libLLVMProfileData.so

to

build lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/AggressiveAntiDepBreaker.cpp.o:
CXX_COMPILER /home/espindola/llvm/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp
|| include/llvm/IR/intrinsics_gen lib/libLLVMSupport.so
lib/libLLVMCore.so lib/libLLVMTransformUtils.so
lib/libLLVMScalarOpts.so lib/libLLVMAnalysis.so lib/libLLVMMC.so
lib/libLLVMTarget.so

In fact, build.ninja goes from 5231028 bytes to 4896759 bytes.

With this, old verisons of bfd ld (2.24 is OK, 2.23 warns) will print a bogus
warning when building with BUILD_SHARED_LIBS.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221530 91177308-0d34-0410-b5e6-96231b3b80d8
[CMake] LLVMSupport: Give system_libs PRIVATE scope when LLVMSupport is built as SHARED. Users of LLVMSupport won't inherit ${system_libs}.

unittests/SupporTests is another user of libpthreads. Apply LLVM_SYSTEM_LIBS for him explicitly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221531 91177308-0d34-0410-b5e6-96231b3b80d8
[mips] Promote i32 arguments to i64 for the N32/N64 ABI and fix <64-bit structs...

Summary:
... and after all that refactoring, it's possible to distinguish softfloat
floating point values from integers so this patch no longer breaks softfloat to
do it.

Remove direct handling of i32's in the N32/N64 ABI by promoting them to
i64. This more closely reflects the ABI documentation and also fixes
problems with stack arguments on big-endian targets.

We now rely on signext/zeroext annotations (already generated by clang) and
the Assert[SZ]ext nodes to avoid the introduction of unnecessary sign/zero
extends.

It was not possible to convert three tests to use signext/zeroext. These tests
are bswap.ll, ctlz-v.ll, ctlz-v.ll. It's not possible to put signext on a
vector type so we just accept the sign extends here for now. These tests don't
pass the vectors the same way clang does (clang puts multiple elements in the
same argument, these map 1 element to 1 argument) so we don't need to worry too
much about it.

With this patch, all known N32/N64 bugs should be fixed and we now pass the
first 10,000 tests generated by ABITest.py.

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6117


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221534 91177308-0d34-0410-b5e6-96231b3b80d8
Use StringRefMemoryObject in llvm-mc. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221536 91177308-0d34-0410-b5e6-96231b3b80d8
Don't redeclare a pure virtual method.

I.E., there is no value is having

void foo() override = 0;

If it is override it is already present in a base class. Since it is pure,
some other class will have to implement it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221537 91177308-0d34-0410-b5e6-96231b3b80d8
R600: Remove unused define

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221543 91177308-0d34-0410-b5e6-96231b3b80d8
Fix style.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221547 91177308-0d34-0410-b5e6-96231b3b80d8
Transform: add SymbolRewriter pass

This introduces the symbol rewriter. This is an IR->IR transformation that is
implemented as a CodeGenPrepare pass. This allows for the transparent
adjustment of the symbols during compilation.

It provides a clean, simple, elegant solution for symbol inter-positioning. This
technique is often used, such as in the various sanitizers and performance
analysis.

The control of this is via a custom YAML syntax map file that indicates source
to destination mapping, so as to avoid having the compiler to know the exact
details of the source to destination transformations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221548 91177308-0d34-0410-b5e6-96231b3b80d8
Remove unused variable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221549 91177308-0d34-0410-b5e6-96231b3b80d8