Stop adding bogus operands to variable shifts on X86. These instructions
only take one operand. The other comes implicitly in through CL.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22887 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelPattern.cpp b/lib/Target/X86/X86ISelPattern.cpp
index 7bf481f..e78a9df 100644
--- a/lib/Target/X86/X86ISelPattern.cpp
+++ b/lib/Target/X86/X86ISelPattern.cpp
@@ -3223,7 +3223,7 @@
case MVT::i32: Opc = X86::SHL32rCL; break;
}
BuildMI(BB, X86::MOV8rr, 1, X86::CL).addReg(Tmp2);
- BuildMI(BB, Opc, 2, Result).addReg(Tmp1).addReg(Tmp2);
+ BuildMI(BB, Opc, 1, Result).addReg(Tmp1);
return Result;
case ISD::SRL:
if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
@@ -3253,7 +3253,7 @@
case MVT::i32: Opc = X86::SHR32rCL; break;
}
BuildMI(BB, X86::MOV8rr, 1, X86::CL).addReg(Tmp2);
- BuildMI(BB, Opc, 2, Result).addReg(Tmp1).addReg(Tmp2);
+ BuildMI(BB, Opc, 1, Result).addReg(Tmp1);
return Result;
case ISD::SRA:
if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N.getOperand(1))) {