From f98eadee17feedd20fb0f0f3178f5598e11eeaf1 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 22 May 2011 22:28:47 +0000
Subject: document thiscall, PR9101

llvm-svn: 131873
---
 llvm/docs/CodeGenerator.html | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'llvm/docs/CodeGenerator.html')

diff --git a/llvm/docs/CodeGenerator.html b/llvm/docs/CodeGenerator.html
index 60f42607f07..44b835d8580 100644
--- a/llvm/docs/CodeGenerator.html
+++ b/llvm/docs/CodeGenerator.html
@@ -2469,11 +2469,14 @@ entry:
 <p>The following target-specific calling conventions are known to backend:</p>
 
 <ul>
-  <li><b>x86_StdCall</b> &mdash; stdcall calling convention seen on Microsoft
-      Windows platform (CC ID = 64).</li>
-
-  <li><b>x86_FastCall</b> &mdash; fastcall calling convention seen on Microsoft
-      Windows platform (CC ID = 65).</li>
+<li><b>x86_StdCall</b> &mdash; stdcall calling convention seen on Microsoft
+    Windows platform (CC ID = 64).</li>
+<li><b>x86_FastCall</b> &mdash; fastcall calling convention seen on Microsoft
+    Windows platform (CC ID = 65).</li>
+<li><b>x86_ThisCall</b> &mdash; 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>
-- 
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