[llvm] r237820 - ARM: Fix comment and make it slightly more readable
Matthias Braun
matze at braunis.de
Wed May 20 11:40:06 PDT 2015
Author: matze
Date: Wed May 20 13:40:06 2015
New Revision: 237820
URL: http://llvm.org/viewvc/llvm-project?rev=237820&view=rev
Log:
ARM: Fix comment and make it slightly more readable
Modified:
llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
Modified: llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp?rev=237820&r1=237819&r2=237820&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp Wed May 20 13:40:06 2015
@@ -7951,13 +7951,13 @@ static SDValue AddCombineTo64bitMLAL(SDN
// 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);
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