[PATCH] D95227: [RISCV] Simplify BP initialisation

[luxufan via Phabricator via llvm-commits]

StephenFan updated this revision to Diff 318889.
StephenFan added a comment.

Address craig.topper's comment.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D95227/new/

https://reviews.llvm.org/D95227

Files:
  llvm/lib/Target/RISCV/RISCVFrameLowering.cpp


Index: llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
===================================================================
--- llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
+++ llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
@@ -483,9 +483,7 @@
       // track the current stack after allocating variable sized objects.
       if (hasBP(MF)) {
         // move BP, SP
-        BuildMI(MBB, MBBI, DL, TII->get(RISCV::ADDI), BPReg)
-            .addReg(SPReg)
-            .addImm(0);
+        TII->copyPhysReg(MBB, MBBI, DL, BPReg, SPReg, false);
       }
     }
   }


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D95227.318889.patch
Type: text/x-patch
Size: 560 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20210125/d9a5877b/attachment.bin>