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- Doh. Pass vector by value is bad.

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- Add a AnalyzeCallResult specialized for calls which produce a single value. This is used by fastisel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55879 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2008-09-07 09:02:18 +00:00
parent e3e3626338
commit c7fcfa07d9
2 changed files with 15 additions and 2 deletions
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5
include/llvm/CodeGen/CallingConvLower.h
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@ -147,7 +147,7 @@ public:
/// AnalyzeCallOperands - Same as above except it takes vectors of types
/// and argument flags.
void AnalyzeCallOperands(SmallVectorImpl<MVT> ArgVTs,
void AnalyzeCallOperands(SmallVectorImpl<MVT> &ArgVTs,
SmallVectorImpl<ISD::ArgFlagsTy> &Flags,
CCAssignFn Fn);
@ -155,6 +155,9 @@ public:
/// incorporating info about the passed values into this state.
void AnalyzeCallResult(SDNode *TheCall, CCAssignFn Fn);
/// AnalyzeCallResult - Same as above except it's specialized for calls which
/// produce a single value.
void AnalyzeCallResult(MVT VT, CCAssignFn Fn);
/// getFirstUnallocated - Return the first unallocated register in the set, or
/// NumRegs if they are all allocated.

12
lib/CodeGen/SelectionDAG/CallingConvLower.cpp
View File

@ -107,7 +107,7 @@ void CCState::AnalyzeCallOperands(SDNode *TheCall, CCAssignFn Fn) {
/// AnalyzeCallOperands - Same as above except it takes vectors of types
/// and argument flags.
void CCState::AnalyzeCallOperands(SmallVectorImpl<MVT> ArgVTs,
void CCState::AnalyzeCallOperands(SmallVectorImpl<MVT> &ArgVTs,
SmallVectorImpl<ISD::ArgFlagsTy> &Flags,
CCAssignFn Fn) {
unsigned NumOps = ArgVTs.size();
@ -134,3 +134,13 @@ void CCState::AnalyzeCallResult(SDNode *TheCall, CCAssignFn Fn) {
}
}
}
/// AnalyzeCallResult - Same as above except it's specialized for calls which
/// produce a single value.
void CCState::AnalyzeCallResult(MVT VT, CCAssignFn Fn) {
if (Fn(0, VT, VT, CCValAssign::Full, ISD::ArgFlagsTy(), *this)) {
cerr << "Call result has unhandled type "
<< VT.getMVTString() << "\n";
abort();
}
}