[PATCH] D82557: [MSP430][NFC] Remove redundant condition
Balogh, Ádám via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Jun 26 05:56:58 PDT 2020
baloghadamsoftware updated this revision to Diff 273695.
baloghadamsoftware marked 2 inline comments as done.
baloghadamsoftware added a comment.
Misleading comment deleted together with the last commented-out line.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D82557/new/
https://reviews.llvm.org/D82557
Files:
llvm/lib/Target/MSP430/MSP430FrameLowering.cpp
Index: llvm/lib/Target/MSP430/MSP430FrameLowering.cpp
===================================================================
--- llvm/lib/Target/MSP430/MSP430FrameLowering.cpp
+++ llvm/lib/Target/MSP430/MSP430FrameLowering.cpp
@@ -86,20 +86,11 @@
DL = MBBI->getDebugLoc();
if (NumBytes) { // adjust stack pointer: SP -= numbytes
- // If there is an SUB16ri of SP immediately before this instruction, merge
- // the two.
- //NumBytes -= mergeSPUpdates(MBB, MBBI, true);
- // If there is an ADD16ri or SUB16ri of SP immediately after this
- // instruction, merge the two instructions.
- // mergeSPUpdatesDown(MBB, MBBI, &NumBytes);
-
- if (NumBytes) {
- MachineInstr *MI =
- BuildMI(MBB, MBBI, DL, TII.get(MSP430::SUB16ri), MSP430::SP)
- .addReg(MSP430::SP).addImm(NumBytes);
- // The SRW implicit def is dead.
- MI->getOperand(3).setIsDead();
- }
+ MachineInstr *MI =
+ BuildMI(MBB, MBBI, DL, TII.get(MSP430::SUB16ri), MSP430::SP)
+ .addReg(MSP430::SP).addImm(NumBytes);
+ // The SRW implicit def is dead.
+ MI->getOperand(3).setIsDead();
}
}
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