[llvm] r337700 - [SystemZ] Fix dumpSU() method in SystemZHazardRecognizer.

[Jonas Paulsson via llvm-commits]

Author: jonpa
Date: Mon Jul 23 08:08:35 2018
New Revision: 337700

URL: http://llvm.org/viewvc/llvm-project?rev=337700&view=rev
Log:
[SystemZ]  Fix dumpSU() method in SystemZHazardRecognizer.

Two minor issues: The new MCD SchedWrite name does not contain "Unit" like
all the others, so a check is needed. Also, print "LSU" instead of "LS".

Review: Ulrich Weigand

Modified:
    llvm/trunk/lib/Target/SystemZ/SystemZHazardRecognizer.cpp

Modified: llvm/trunk/lib/Target/SystemZ/SystemZHazardRecognizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/SystemZHazardRecognizer.cpp?rev=337700&r1=337699&r2=337700&view=diff
==============================================================================
--- llvm/trunk/lib/Target/SystemZ/SystemZHazardRecognizer.cpp (original)
+++ llvm/trunk/lib/Target/SystemZ/SystemZHazardRecognizer.cpp Mon Jul 23 08:08:35 2018
@@ -151,7 +151,11 @@ void SystemZHazardRecognizer::dumpSU(SUn
     std::string FU(PRD.Name);
     // trim e.g. Z13_FXaUnit -> FXa
     FU = FU.substr(FU.find("_") + 1);
-    FU.resize(FU.find("Unit"));
+    size_t Pos = FU.find("Unit");
+    if (Pos != std::string::npos)
+      FU.resize(Pos);
+    if (FU == "LS") // LSUnit -> LSU
+      FU = "LSU";
     OS << "/" << FU;
 
     if (PI->Cycles > 1)