ARM: Fix comment and make it slightly more readable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237820 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index e291f02..86ed166 100644 (file)
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -7951,13 +7951,13 @@ static SDValue AddCombineTo64bitMLAL(SDNode *AddcNode,
   // a glue link from the first add to the second add.
   // If we find this pattern, we can replace the U/SMUL_LOHI, ADDC, and ADDE by
   // a S/UMLAL instruction.
-  //          loAdd   UMUL_LOHI
-  //            \    / :lo    \ :hi
-  //             \  /          \          [no multiline comment]
-  //              ADDC         |  hiAdd
-  //                 \ :glue  /  /
-  //                  \      /  /
-  //                    ADDE
+  //                  UMUL_LOHI
+  //                 / :lo    \ :hi
+  //                /          \          [no multiline comment]
+  //    loAdd ->  ADDE         |
+  //                 \ :glue  /
+  //                  \      /
+  //                    ADDC   <- hiAdd
   //
   assert(AddcNode->getOpcode() == ISD::ADDC && "Expect an ADDC");
   SDValue AddcOp0 = AddcNode->getOperand(0);