[llvm] d221662 - [RISCV] In emitSelectPseudo, copy call frame size from LastSelectPseudo instead of MI.

[Craig Topper via llvm-commits]

Author: Craig Topper
Date: 2024-07-22T10:37:44-07:00
New Revision: d221662ed0cc758331ea4277d46f5983ea76f36d

URL: https://github.com/llvm/llvm-project/commit/d221662ed0cc758331ea4277d46f5983ea76f36d
DIFF: https://github.com/llvm/llvm-project/commit/d221662ed0cc758331ea4277d46f5983ea76f36d.diff

LOG: [RISCV] In emitSelectPseudo, copy call frame size from LastSelectPseudo instead of MI.

The split point is LastSelectPseudo. If MI is earlier, we might
sink it to LastSelectPseudo.

Added: 
    

Modified: 
    llvm/lib/Target/RISCV/RISCVISelLowering.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index 585d8a060fe94..12d0e1d6ccb48 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -18479,7 +18479,7 @@ static MachineBasicBlock *emitSelectPseudo(MachineInstr &MI,
   F->insert(I, TailMBB);
 
   // Set the call frame size on entry to the new basic blocks.
-  unsigned CallFrameSize = TII.getCallFrameSizeAt(MI);
+  unsigned CallFrameSize = TII.getCallFrameSizeAt(*LastSelectPseudo);
   IfFalseMBB->setCallFrameSize(CallFrameSize);
   TailMBB->setCallFrameSize(CallFrameSize);