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| author | Dylan McKay <dylanmckay34@gmail.com> | 2016-10-08 01:05:09 +0000 |
|---|---|---|
| committer | Dylan McKay <dylanmckay34@gmail.com> | 2016-10-08 01:05:09 +0000 |
| commit | 12109e731472735c2361744c9ca1059389d26978 (patch) | |
| tree | 7d81313f56c38f542ab868234b5ee2259bed729d | |
| parent | c1ff65cf62635fedb69fd360d9e292c03004c490 (diff) | |
| download | bcm5719-llvm-12109e731472735c2361744c9ca1059389d26978.tar.gz bcm5719-llvm-12109e731472735c2361744c9ca1059389d26978.zip | |
Allow a maximum of 64 bits to be returned in registers
The rest spills to the stack
Authored by Jake Goulding
llvm-svn: 283635
| -rw-r--r-- | llvm/lib/Target/AVR/AVRISelLowering.h | 8 | ||||
| -rw-r--r-- | llvm/test/CodeGen/AVR/large-return-size.ll | 9 |
2 files changed, 17 insertions, 0 deletions
diff --git a/llvm/lib/Target/AVR/AVRISelLowering.h b/llvm/lib/Target/AVR/AVRISelLowering.h index 69aaaf2db21..836ce802255 100644 --- a/llvm/lib/Target/AVR/AVRISelLowering.h +++ b/llvm/lib/Target/AVR/AVRISelLowering.h @@ -15,6 +15,7 @@ #ifndef LLVM_AVR_ISEL_LOWERING_H #define LLVM_AVR_ISEL_LOWERING_H +#include "llvm/CodeGen/CallingConvLower.h" #include "llvm/Target/TargetLowering.h" namespace llvm { @@ -128,6 +129,13 @@ private: SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG) const; SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG) const; + CCAssignFn *CCAssignFnForReturn(CallingConv::ID CC) const; + + bool CanLowerReturn(CallingConv::ID CallConv, + MachineFunction &MF, bool isVarArg, + const SmallVectorImpl<ISD::OutputArg> &Outs, + LLVMContext &Context) const override; + SDValue LowerReturn(SDValue Chain, CallingConv::ID CallConv, bool isVarArg, const SmallVectorImpl<ISD::OutputArg> &Outs, const SmallVectorImpl<SDValue> &OutVals, const SDLoc &dl, diff --git a/llvm/test/CodeGen/AVR/large-return-size.ll b/llvm/test/CodeGen/AVR/large-return-size.ll new file mode 100644 index 00000000000..5f51fa1079e --- /dev/null +++ b/llvm/test/CodeGen/AVR/large-return-size.ll @@ -0,0 +1,9 @@ +; RUN: llc < %s -march=avr | FileCheck %s +define void @call_more_than_64_bits() { +; CHECK-LABEL: call_more_than_64_bits +entry-block: + %foo = call { i64, i1 } @more_than_64_bits() + ret void +} + +declare { i64, i1 } @more_than_64_bits() |
