[llvm] 63571e8 - [RISCV] Add scalar FP compares to isSignExtendingOpW in RISCVSExtWRemoval.

[Craig Topper via llvm-commits]

Author: Craig Topper
Date: 2022-11-14T10:28:36-08:00
New Revision: 63571e83cbd635b4c7a702811eb5ef13fdf526f9

URL: https://github.com/llvm/llvm-project/commit/63571e83cbd635b4c7a702811eb5ef13fdf526f9
DIFF: https://github.com/llvm/llvm-project/commit/63571e83cbd635b4c7a702811eb5ef13fdf526f9.diff

LOG: [RISCV] Add scalar FP compares to isSignExtendingOpW in RISCVSExtWRemoval.

Added: 
    

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

Removed: 
    


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diff  --git a/llvm/lib/Target/RISCV/RISCVSExtWRemoval.cpp b/llvm/lib/Target/RISCV/RISCVSExtWRemoval.cpp
index 1f313e45e5e7..1d57c8c72542 100644
--- a/llvm/lib/Target/RISCV/RISCVSExtWRemoval.cpp
+++ b/llvm/lib/Target/RISCV/RISCVSExtWRemoval.cpp
@@ -264,6 +264,15 @@ static bool isSignExtendingOpW(MachineInstr &MI, MachineRegisterInfo &MRI) {
   case RISCV::SLTI:
   case RISCV::SLTU:
   case RISCV::SLTIU:
+  case RISCV::FEQ_H:
+  case RISCV::FEQ_S:
+  case RISCV::FEQ_D:
+  case RISCV::FLT_H:
+  case RISCV::FLT_S:
+  case RISCV::FLT_D:
+  case RISCV::FLE_H:
+  case RISCV::FLE_S:
+  case RISCV::FLE_D:
   case RISCV::SEXT_B:
   case RISCV::SEXT_H:
   case RISCV::ZEXT_H_RV64:
@@ -283,8 +292,6 @@ static bool isSignExtendingOpW(MachineInstr &MI, MachineRegisterInfo &MRI) {
   // The LI pattern ADDI rd, X0, imm is sign extended.
   case RISCV::ADDI:
     return MI.getOperand(1).isReg() && MI.getOperand(1).getReg() == RISCV::X0;
-      return true;
-    return false;
   // An ANDI with an 11 bit immediate will zero bits 63:11.
   case RISCV::ANDI:
     return isUInt<11>(MI.getOperand(2).getImm());