Remove references to COVERAGE_AND_ORIGIN option

Author: SLTozer

llvm/CMakeLists.txt

@@ -537,8 +537,8 @@ endif()
 option(LLVM_ENABLE_CRASH_DUMPS "Turn on memory dumps on crashes. Currently only implemented on Windows." OFF)
 
 set(LLVM_ENABLE_DEBUGLOC_COVERAGE_TRACKING "DISABLED" CACHE STRING
-  "Enhance Debugify's line number coverage tracking; enabling this is ABI-breaking. Can be DISABLED, COVERAGE, or COVERAGE_AND_ORIGIN.")
-set_property(CACHE LLVM_ENABLE_DEBUGLOC_COVERAGE_TRACKING PROPERTY STRINGS DISABLED COVERAGE COVERAGE_AND_ORIGIN)
+  "Enhance Debugify's line number coverage tracking; enabling this is ABI-breaking. Can be DISABLED, or COVERAGE.")
+set_property(CACHE LLVM_ENABLE_DEBUGLOC_COVERAGE_TRACKING PROPERTY STRINGS DISABLED COVERAGE)
 
 set(WINDOWS_PREFER_FORWARD_SLASH_DEFAULT OFF)
 if (MINGW)

llvm/cmake/modules/HandleLLVMOptions.cmake

@@ -200,8 +200,6 @@ string(TOUPPER "${LLVM_ENABLE_DEBUGLOC_COVERAGE_TRACKING}" uppercase_LLVM_ENABLE
 
 if( uppercase_LLVM_ENABLE_DEBUGLOC_COVERAGE_TRACKING STREQUAL "COVERAGE" )
   set( ENABLE_DEBUGLOC_COVERAGE_TRACKING 1 )
-elseif( uppercase_LLVM_ENABLE_DEBUGLOC_COVERAGE_TRACKING STREQUAL "COVERAGE_AND_ORIGIN" )
-  message(FATAL_ERROR "\"COVERAGE_AND_ORIGIN\" setting for LLVM_ENABLE_DEBUGLOC_COVERAGE_TRACKING currently unimplemented.")
 elseif( uppercase_LLVM_ENABLE_DEBUGLOC_COVERAGE_TRACKING STREQUAL "DISABLED" OR NOT DEFINED LLVM_ENABLE_DEBUGLOC_COVERAGE_TRACKING )
   # The DISABLED setting is default and requires no additional defines.
 else()

llvm/docs/CMake.rst

@@ -483,14 +483,11 @@ enabled sub-projects. Nearly all of these variable names begin with
 **LLVM_ENABLE_DEBUGLOC_COVERAGE_TRACKING**:STRING
   Enhances Debugify's ability to detect line number errors by storing extra
   information inside Instructions, removing false positives from Debugify's
-  results at the cost of performance. Allowed values are `DISABLED` (default),
-  `COVERAGE`, and `COVERAGE_AND_ORIGIN`. `COVERAGE` tracks whether and why a
-  line number was intentionally dropped or not generated for an instruction,
-  allowing Debugify to avoid reporting these as errors; this comes with a small
-  performance cost of ~0.1%. `COVERAGE_AND_ORIGIN` additionally stores a stack
-  trace of the point where each DebugLoc is unintentionally dropped, allowing
-  for much easier bug triaging at the cost of a ~10x performance slowdown.
-  `COVERAGE` and `COVERAGE_AND_ORIGIN` are both ABI-breaking options.
+  results at the cost of performance. Allowed values are `DISABLED` (default)
+  and `COVERAGE`. `COVERAGE` tracks whether and why a line number was
+  intentionally dropped or not generated for an instruction, allowing Debugify
+  to avoid reporting these as errors; this comes with a small performance cost
+  of ~0.1%. `COVERAGE` is an ABI-breaking option.
 
 **LLVM_ENABLE_DIA_SDK**:BOOL
   Enable building with MSVC DIA SDK for PDB debugging support. Available