[llvm-commits] [llvm] r113168 - /llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp
Chris Lattner
sabre at nondot.org
Mon Sep 6 13:21:47 PDT 2010
Author: lattner
Date: Mon Sep 6 15:21:47 2010
New Revision: 113168
URL: http://llvm.org/viewvc/llvm-project?rev=113168&view=rev
Log:
The "ambiguous instructions" check only produces anything with -debug,
so only do the N^2 loop with debug mode.
Modified:
llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp
Modified: llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp?rev=113168&r1=113167&r2=113168&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp (original)
+++ llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp Mon Sep 6 15:21:47 2010
@@ -1513,29 +1513,30 @@
});
// Check for ambiguous instructions.
- unsigned NumAmbiguous = 0;
- for (unsigned i = 0, e = Info.Instructions.size(); i != e; ++i) {
- for (unsigned j = i + 1; j != e; ++j) {
- InstructionInfo &A = *Info.Instructions[i];
- InstructionInfo &B = *Info.Instructions[j];
-
- if (A.CouldMatchAmiguouslyWith(B)) {
- DEBUG_WITH_TYPE("ambiguous_instrs", {
- errs() << "warning: ambiguous instruction match:\n";
- A.dump();
- errs() << "\nis incomparable with:\n";
- B.dump();
- errs() << "\n\n";
- });
- ++NumAmbiguous;
+ DEBUG(unsigned NumAmbiguous = 0;
+ for (unsigned i = 0, e = Info.Instructions.size(); i != e; ++i) {
+ for (unsigned j = i + 1; j != e; ++j) {
+ InstructionInfo &A = *Info.Instructions[i];
+ InstructionInfo &B = *Info.Instructions[j];
+
+ if (A.CouldMatchAmiguouslyWith(B)) {
+ DEBUG_WITH_TYPE("ambiguous_instrs", {
+ errs() << "warning: ambiguous instruction match:\n";
+ A.dump();
+ errs() << "\nis incomparable with:\n";
+ B.dump();
+ errs() << "\n\n";
+ });
+ ++NumAmbiguous;
+ }
}
}
- }
- if (NumAmbiguous)
- DEBUG_WITH_TYPE("ambiguous_instrs", {
- errs() << "warning: " << NumAmbiguous
- << " ambiguous instructions!\n";
- });
+ if (NumAmbiguous)
+ DEBUG_WITH_TYPE("ambiguous_instrs", {
+ errs() << "warning: " << NumAmbiguous
+ << " ambiguous instructions!\n";
+ });
+ );
// Write the output.
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