The D3D11 spec section 16.9 is missing a section on SV_StencilRef, which was added in D3D11.3 and doesn't have a corresponding published spec. Section 16.9.3 describes what seems to be an older design, where the conservative implementation was done using shader instructions inserted by the compiler rather than a dedicated output type. Looking at what FXC produces when compiling with SV_DepthLessEqual (https://shader-playground.timjones.io/88d3e6d4cdb3582c8a1c29e592fe4bff), I see references to a oDepthLE register, not oDepth. This register is also missing from section 16.7.
The D3D11 spec section 16.9 is missing a section on
SV_StencilRef, which was added in D3D11.3 and doesn't have a corresponding published spec. Section 16.9.3 describes what seems to be an older design, where the conservative implementation was done using shader instructions inserted by the compiler rather than a dedicated output type. Looking at what FXC produces when compiling withSV_DepthLessEqual(https://shader-playground.timjones.io/88d3e6d4cdb3582c8a1c29e592fe4bff), I see references to aoDepthLEregister, notoDepth. This register is also missing from section 16.7.