diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp b/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp index 2f09a639593..6eddcc48f1e 100644 --- a/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp +++ b/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp @@ -1732,26 +1732,23 @@ unsigned ISel::SelectExpr(SDOperand N, bool Recording) { return Result; } - case ISD::Constant: - switch (N.getValueType()) { - default: assert(0 && "Cannot use constants of this type!"); - case MVT::i32: - { - int v = (int)cast<ConstantSDNode>(N)->getSignExtended(); - unsigned Hi = Hi16(v); - unsigned Lo = Lo16(v); - if (Hi && Lo) { - Tmp1 = MakeIntReg(); - BuildMI(BB, PPC::LIS, 1, Tmp1).addSImm(Hi); - BuildMI(BB, PPC::ORI, 2, Result).addReg(Tmp1).addImm(Lo); - } else if (Lo) { - BuildMI(BB, PPC::LI, 1, Result).addSImm(Lo); - } else { - BuildMI(BB, PPC::LIS, 1, Result).addSImm(Hi); - } - } + case ISD::Constant: { + assert(N.getValueType() == MVT::i32 && + "Only i32 constants are legal on this target!"); + int v = (int)cast<ConstantSDNode>(N)->getValue(); + unsigned Hi = Hi16(v); + unsigned Lo = Lo16(v); + if (Hi && Lo) { + Tmp1 = MakeIntReg(); + BuildMI(BB, PPC::LIS, 1, Tmp1).addSImm(Hi); + BuildMI(BB, PPC::ORI, 2, Result).addReg(Tmp1).addImm(Lo); + } else if (Hi) { + BuildMI(BB, PPC::LIS, 1, Result).addSImm(Hi); + } else { + BuildMI(BB, PPC::LI, 1, Result).addSImm(Lo); } return Result; + } case ISD::ConstantFP: { ConstantFPSDNode *CN = cast<ConstantFPSDNode>(N); |
