[llvm] r254859 - [WebAssembly] Update a stale comment. NFC.

[Dan Gohman via llvm-commits]

Author: djg
Date: Sat Dec  5 13:43:19 2015
New Revision: 254859

URL: http://llvm.org/viewvc/llvm-project?rev=254859&view=rev
Log:
[WebAssembly] Update a stale comment. NFC.

Modified:
    llvm/trunk/lib/Target/WebAssembly/WebAssemblyInstrCall.td

Modified: llvm/trunk/lib/Target/WebAssembly/WebAssemblyInstrCall.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/WebAssembly/WebAssemblyInstrCall.td?rev=254859&r1=254858&r2=254859&view=diff
==============================================================================
--- llvm/trunk/lib/Target/WebAssembly/WebAssemblyInstrCall.td (original)
+++ llvm/trunk/lib/Target/WebAssembly/WebAssemblyInstrCall.td Sat Dec  5 13:43:19 2015
@@ -14,8 +14,8 @@
 
 let Defs = [ARGUMENTS] in {
 
-// The call sequence start/end LLVM-isms isn't useful to WebAssembly since it's
-// a virtual ISA.
+// Call sequence markers. These have an immediate which represents the amount of
+// stack space to allocate or free, which is used for varargs lowering.
 let isCodeGenOnly = 1 in {
 def ADJCALLSTACKDOWN : I<(outs), (ins i64imm:$amt),
                          [(WebAssemblycallseq_start timm:$amt)]>;