[llvm] r181366 - Fix a bug in the MC asm parser evaluating expressions. It was treating:
Kevin Enderby
enderby at apple.com
Tue May 7 14:40:58 PDT 2013
Author: enderby
Date: Tue May 7 16:40:58 2013
New Revision: 181366
URL: http://llvm.org/viewvc/llvm-project?rev=181366&view=rev
Log:
Fix a bug in the MC asm parser evaluating expressions. It was treating:
A = 9
B = 3 * A - 2 * A + 1 as B = 3 * A - (2 * A + 1)
rdar://13816516
Modified:
llvm/trunk/lib/MC/MCParser/AsmParser.cpp
llvm/trunk/test/MC/AsmParser/exprs.s
Modified: llvm/trunk/lib/MC/MCParser/AsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCParser/AsmParser.cpp?rev=181366&r1=181365&r2=181366&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCParser/AsmParser.cpp (original)
+++ llvm/trunk/lib/MC/MCParser/AsmParser.cpp Tue May 7 16:40:58 2013
@@ -1092,7 +1092,7 @@ bool AsmParser::ParseBinOpRHS(unsigned P
MCBinaryExpr::Opcode Dummy;
unsigned NextTokPrec = getBinOpPrecedence(Lexer.getKind(), Dummy);
if (TokPrec < NextTokPrec) {
- if (ParseBinOpRHS(Precedence+1, RHS, EndLoc)) return true;
+ if (ParseBinOpRHS(TokPrec+1, RHS, EndLoc)) return true;
}
// Merge LHS and RHS according to operator.
Modified: llvm/trunk/test/MC/AsmParser/exprs.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/AsmParser/exprs.s?rev=181366&r1=181365&r2=181366&view=diff
==============================================================================
--- llvm/trunk/test/MC/AsmParser/exprs.s (original)
+++ llvm/trunk/test/MC/AsmParser/exprs.s Tue May 7 16:40:58 2013
@@ -45,6 +45,7 @@ k:
check_expr 0 || 0, 0
check_expr 1 + 2 < 3 + 4, 1
check_expr 1 << 8 - 1, 128
+ check_expr 3 * 9 - 2 * 9 + 1, 10
.set c, 10
check_expr c + 1, 11
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