document thiscall, PR9101
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131873 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CodeGenerator.html b/docs/CodeGenerator.html
index 60f4260..44b835d 100644
--- a/docs/CodeGenerator.html
+++ b/docs/CodeGenerator.html
@@ -2469,11 +2469,14 @@
<p>The following target-specific calling conventions are known to backend:</p>
<ul>
- <li><b>x86_StdCall</b> — stdcall calling convention seen on Microsoft
- Windows platform (CC ID = 64).</li>
-
- <li><b>x86_FastCall</b> — fastcall calling convention seen on Microsoft
- Windows platform (CC ID = 65).</li>
+<li><b>x86_StdCall</b> — stdcall calling convention seen on Microsoft
+ Windows platform (CC ID = 64).</li>
+<li><b>x86_FastCall</b> — fastcall calling convention seen on Microsoft
+ Windows platform (CC ID = 65).</li>
+<li><b>x86_ThisCall</b> — Similar to X86_StdCall. Passes first argument
+ in ECX, others via stack. Callee is responsible for stack cleaning. This
+ convention is used by MSVC by default for methods in its ABI
+ (CC ID = 70).</li>
</ul>
</div>