From 0922e5b6430a566ed9f6d814902065352126faa5 Mon Sep 17 00:00:00 2001
From: Saleem Abdulrasool <compnerd@compnerd.org>
Date: Sun, 23 Feb 2014 15:53:36 +0000
Subject: [PATCH] MCAsmParser: handle space properly for .ifc/.ifnc

If the strings are not quoted, the first string stops at the first comma, and
the second string stops at the end of the line.  Strings which contain
whitespace should be quoted.  Unquoted space is to be discarded.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201985 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/MC/MCParser/AsmParser.cpp | 3 ++-
 test/MC/AsmParser/ifc.s       | 5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index d77a0fd1b69..fb854c918d4 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -3813,6 +3813,7 @@ bool AsmParser::parseDirectiveIfb(SMLoc DirectiveLoc, bool ExpectBlank) {
 
 /// parseDirectiveIfc
 /// ::= .ifc string1, string2
+/// ::= .ifnc string1, string2
 bool AsmParser::parseDirectiveIfc(SMLoc DirectiveLoc, bool ExpectEqual) {
   TheCondStack.push_back(TheCondState);
   TheCondState.TheCond = AsmCond::IfCond;
@@ -3834,7 +3835,7 @@ bool AsmParser::parseDirectiveIfc(SMLoc DirectiveLoc, bool ExpectEqual) {
 
     Lex();
 
-    TheCondState.CondMet = ExpectEqual == (Str1 == Str2);
+    TheCondState.CondMet = ExpectEqual == (Str1.trim() == Str2.trim());
     TheCondState.Ignore = !TheCondState.CondMet;
   }
 
diff --git a/test/MC/AsmParser/ifc.s b/test/MC/AsmParser/ifc.s
index 20e55c0a24f..24944a21e4f 100644
--- a/test/MC/AsmParser/ifc.s
+++ b/test/MC/AsmParser/ifc.s
@@ -63,3 +63,8 @@
 .else
 	.byte 0
 .endif
+
+# CHECK-NOT: .byte 0
+# CHECK: .byte 1
+.ifnc equal, equal ; .byte 0 ; .else ; .byte 1 ; .endif
+