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Reid Kleckner 0cdbf86cb4 [codeview] Decode and dump FP regs from S_FRAMEPROC records 
Summary:
There are two registers encoded in the S_FRAMEPROC flags: one for locals
and one for parameters. The encoding is described by the
ExpandEncodedBasePointerReg function in cvinfo.h. Two bits are used to
indicate one of four possible values:

  0: no register - Used when there are no variables.
  1: SP / standard - Variables are stored relative to the standard SP
     for the ISA.
  2: FP - Variables are addressed relative to the ISA frame
     pointer, i.e. EBP on x86. If realignment is required, parameters
     use this. If a dynamic alloca is used, locals will be EBP relative.
  3: Alternative - Variables are stored relative to some alternative
     third callee-saved register. This is required to address highly
     aligned locals when there are dynamic stack adjustments. In this
     case, both the incoming SP saved in the standard FP and the current
     SP are at some dynamic offset from the locals. LLVM uses ESI in
     this case, MSVC uses EBX.

Most of the changes in this patch are to pass around the CPU so that we
can decode these into real, named architectural registers.

Subscribers: hiraditya

Differential Revision: https://reviews.llvm.org/D51894

llvm-svn: 341999
2018-09-11 22:00:50 +00:00
..
bugpoint [IR] Replace isa<TerminatorInst> with isTerminator(). 2018-08-26 09:51:22 +00:00
bugpoint-passes
dsymutil [dsymutil] Prevent non-determinism due to threading. 2018-09-07 10:29:22 +00:00
gold [gold] -thinlto-object-suffix-replace: don't append new suffix if path does not end with old suffix 2018-08-22 02:11:36 +00:00
llc [llc] Fix sanitizer failure. 2018-06-23 19:04:10 +00:00
lli [ORC] Simplify LLJIT::Create by removing the ExecutionSession parameter. 2018-09-10 22:08:57 +00:00
llvm-ar [llvm-ar] Move a variable declaration closer to where it is needed. NFC. 2018-09-06 19:03:24 +00:00
llvm-as [ThinLTO] Parse module summary index from assembly 2018-06-26 13:56:49 +00:00
llvm-as-fuzzer make add_llvm_fuzzer calls slightly more consisten with other cmake 2018-05-11 17:58:52 +00:00
llvm-bcanalyzer [ADT] Replace std::isprint by llvm::isPrint. 2018-07-26 15:31:41 +00:00
llvm-c-test [LLVM-C] Add Bindings For Named Metadata 2018-08-30 17:09:43 +00:00
llvm-cat
llvm-cfi-verify [cfi-verify] Support cross-DSO 2018-08-24 15:21:58 +00:00
llvm-config [llvm-config] Use WithColor for printing errors. 2018-06-23 16:50:09 +00:00
llvm-cov [Coverage] Delete getCounterMismatches, it's dead code (NFC) 2018-08-07 22:25:22 +00:00
llvm-cvtres [llvm-cvtres] Allow parameters preceded by '-' in addition to '/' 2018-05-02 21:15:13 +00:00
llvm-cxxdump Fixing a typo; NFC. 2018-07-23 18:09:43 +00:00
llvm-cxxfilt Define InitLLVM to do common initialization all at once. 2018-04-13 18:26:06 +00:00
llvm-demangle-fuzzer make add_llvm_fuzzer calls slightly more consisten with other cmake 2018-05-11 17:58:52 +00:00
llvm-diff Let llvm-diff correctly deal with Undef/ConstantAggregateZero/ConstantVector/IndirectBr 2018-04-12 21:28:04 +00:00
llvm-dis [ThinLTO] Print module summary index to assembly 2018-05-26 02:34:13 +00:00
llvm-dwarfdump [DebugInfo/DWARF] Remove redundant iterator type. NFC 2018-08-02 19:29:38 +00:00
llvm-dwp Reland rL341509: "[llvm-dwp] Use buffer_stream if output file is not seekable (e.g. "-")" 2018-09-06 20:26:54 +00:00
llvm-exegesis [llvm-exegesis] Ignore double spaced separators in asm strings 2018-09-10 10:45:04 +00:00
llvm-extract Define InitLLVM to do common initialization all at once. 2018-04-13 18:26:06 +00:00
llvm-go [bindings/go] Add coroutine passes 2018-08-19 23:40:05 +00:00
llvm-isel-fuzzer CodeGen: Add a dwo output file argument to addPassesToEmitFile and hook it up to dwo output. 2018-05-21 20:16:41 +00:00
llvm-jitlistener Define InitLLVM to do common initialization all at once. 2018-04-13 18:26:06 +00:00
llvm-link Restore "[ThinLTO] Ensure we always select the same function copy to import" 2018-07-16 15:30:27 +00:00
llvm-lto [ThinLTO] Rename index IsAnalysis flag to HaveGVs (NFC) 2018-06-06 22:22:01 +00:00
llvm-lto2 [LTO] Allow pass remarks with hotness to be set when emitting to stderr 2018-05-04 23:59:34 +00:00
llvm-mc [ADT] Normalize empty triple components 2018-08-08 22:23:57 +00:00
llvm-mc-assemble-fuzzer [llvm-mc-assemble-fuzzer] Update API - Pass MCObjectWriter instead of a stream 2018-08-17 04:38:41 +00:00
llvm-mc-disassemble-fuzzer make add_llvm_fuzzer calls slightly more consisten with other cmake 2018-05-11 17:58:52 +00:00
llvm-mca [llvm-mca] Delay calculation of Cycles per Resources, separate the cycles and resource quantities. 2018-09-11 18:47:48 +00:00
llvm-modextract
llvm-mt [llvm-mt] Use WithColor for printing errors. 2018-06-23 16:49:07 +00:00
llvm-nm nm: Add -no-weak flag for hiding weak symbols 2018-07-02 17:24:37 +00:00
llvm-objcopy [llvm-objcopy] Dwarf .debug section compression support (zlib, zlib-gnu). 2018-09-07 08:10:22 +00:00
llvm-objdump [llvm-objdump] Keep the memory buffer from the dSYM alive when using -g -dsym 2018-08-31 13:10:54 +00:00
llvm-opt-fuzzer make add_llvm_fuzzer calls slightly more consisten with other cmake 2018-05-11 17:58:52 +00:00
llvm-opt-report Remove \brief commands from doxygen comments. 2018-05-01 15:54:18 +00:00
llvm-pdbutil [codeview] Decode and dump FP regs from S_FRAMEPROC records 2018-09-11 22:00:50 +00:00
llvm-profdata Make llvm-profdata show -text work as advertised in the documentation. 2018-08-24 01:34:45 +00:00
llvm-rc [FileSystem] Split up the OpenFlags enumeration. 2018-06-07 19:58:58 +00:00
llvm-readobj [codeview] Decode and dump FP regs from S_FRAMEPROC records 2018-09-11 22:00:50 +00:00
llvm-rtdyld Define InitLLVM to do common initialization all at once. 2018-04-13 18:26:06 +00:00
llvm-shlib [RFC] Build LLVM-C.dll on MSVC that exports only the C API 2018-08-07 15:54:50 +00:00
llvm-size [llvm-size] Make global variables static 2018-06-22 22:20:10 +00:00
llvm-special-case-list-fuzzer make add_llvm_fuzzer calls slightly more consisten with other cmake 2018-05-11 17:58:52 +00:00
llvm-split
llvm-stress
llvm-strings Define InitLLVM to do common initialization all at once. 2018-04-13 18:26:06 +00:00
llvm-symbolizer [llvm-symbolizer] Simplify 2018-05-26 02:29:14 +00:00
llvm-undname [llvm-undname Add an option to dump back references. 2018-08-01 18:33:04 +00:00
llvm-xray [XRay] Add the llvm-xray fdr-dump implementation 2018-09-11 00:22:53 +00:00
llvm-yaml-numeric-parser-fuzzer Use LLVM_BUILTIN_TRAP not __builtin_trap to appease windows builds. NFCI. 2018-08-20 09:49:20 +00:00
lto s/LLVM_ON_WIN32/_WIN32/, llvm 2018-04-29 00:45:03 +00:00
msbuild Update Visual Studio Integration version number. 2018-08-29 16:57:37 +00:00
obj2yaml [WebAssembly] clang-format (NFC) 2018-09-05 01:27:38 +00:00
opt [Debugify] Export per-pass debug info loss statistics 2018-07-24 00:41:29 +00:00
opt-viewer
sancov Rename sancov.cc to sancov.cpp 2018-04-25 18:06:23 +00:00
sanstats
verify-uselistorder Rename DEBUG macro to LLVM_DEBUG. 2018-05-14 12:53:11 +00:00
xcode-toolchain Revert "[CMake] Use LLVM_ENABLE_IDE instead of CMAKE_CONFIGURATION_TYPES" 2018-08-30 09:32:09 +00:00
yaml2obj [WebAssembly] clang-format (NFC) 2018-09-05 01:27:38 +00:00
CMakeLists.txt [RFC] Build LLVM-C.dll on MSVC that exports only the C API 2018-08-07 15:54:50 +00:00
LLVMBuild.txt Add a Microsoft Demangler. 2018-07-20 17:27:48 +00:00