diff options
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/Mips/MipsISelLowering.cpp | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp index f9401858ce..ea26d57647 100644 --- a/lib/Target/Mips/MipsISelLowering.cpp +++ b/lib/Target/Mips/MipsISelLowering.cpp @@ -1135,17 +1135,6 @@ MipsTargetLowering::LowerCall(SDValue Chain, SDValue Callee, Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, &MemOpChains[0], MemOpChains.size()); - // Build a sequence of copy-to-reg nodes chained together with token - // chain and flag operands which copy the outgoing args into registers. - // The InFlag in necessary since all emitted instructions must be - // stuck together. - SDValue InFlag; - for (unsigned i = 0, e = RegsToPass.size(); i != e; ++i) { - Chain = DAG.getCopyToReg(Chain, dl, RegsToPass[i].first, - RegsToPass[i].second, InFlag); - InFlag = Chain.getValue(1); - } - // If the callee is a GlobalAddress/ExternalSymbol node (quite common, every // direct call is) turn it into a TargetGlobalAddress/TargetExternalSymbol // node so that legalize doesn't hack it. @@ -1172,6 +1161,8 @@ MipsTargetLowering::LowerCall(SDValue Chain, SDValue Callee, LoadSymAddr = true; } + SDValue InFlag; + // Create nodes that load address of callee and copy it to T9 if (IsPIC) { if (LoadSymAddr) { @@ -1197,6 +1188,16 @@ MipsTargetLowering::LowerCall(SDValue Chain, SDValue Callee, Callee = DAG.getRegister(Mips::T9, MVT::i32); } + // Build a sequence of copy-to-reg nodes chained together with token + // chain and flag operands which copy the outgoing args into registers. + // The InFlag in necessary since all emitted instructions must be + // stuck together. + for (unsigned i = 0, e = RegsToPass.size(); i != e; ++i) { + Chain = DAG.getCopyToReg(Chain, dl, RegsToPass[i].first, + RegsToPass[i].second, InFlag); + InFlag = Chain.getValue(1); + } + // MipsJmpLink = #chain, #target_address, #opt_in_flags... // = Chain, Callee, Reg#1, Reg#2, ... // |