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| author | Cameron Zwarich <zwarich@apple.com> | 2011-03-17 14:53:37 +0000 |
|---|---|---|
| committer | Cameron Zwarich <zwarich@apple.com> | 2011-03-17 14:53:37 +0000 |
| commit | 7bbf0ee97c77f7712154648a44ac6eeb57886462 (patch) | |
| tree | 9e93ea5f729b56a880a474c259310737fc8547ac /lib/Target/X86 | |
| parent | 9e69ff914d8ea054c1dbfd40cd63281c5b087163 (diff) | |
| download | external_llvm-7bbf0ee97c77f7712154648a44ac6eeb57886462.zip external_llvm-7bbf0ee97c77f7712154648a44ac6eeb57886462.tar.gz external_llvm-7bbf0ee97c77f7712154648a44ac6eeb57886462.tar.bz2 | |
Move more logic into getTypeForExtArgOrReturn.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127809 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 13 | ||||
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.h | 5 |
2 files changed, 12 insertions, 6 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index dfb7b87..a4d01a1 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -1448,13 +1448,18 @@ bool X86TargetLowering::isUsedByReturnOnly(SDNode *N) const { return HasRet; } -MVT -X86TargetLowering::getTypeForExtArgOrReturn(EVT VT, +EVT +X86TargetLowering::getTypeForExtArgOrReturn(LLVMContext &Context, EVT VT, ISD::NodeType ExtendKind) const { + MVT ReturnMVT; // TODO: Is this also valid on 32-bit? if (Subtarget->is64Bit() && VT == MVT::i1 && ExtendKind == ISD::ZERO_EXTEND) - return MVT::i8; - return MVT::i32; + ReturnMVT = MVT::i8; + else + ReturnMVT = MVT::i32; + + EVT MinVT = getRegisterType(Context, ReturnMVT); + return VT.bitsLT(MinVT) ? MinVT : VT; } /// LowerCallResult - Lower the result values of a call into the diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h index bd9247b..7c1b13a 100644 --- a/lib/Target/X86/X86ISelLowering.h +++ b/lib/Target/X86/X86ISelLowering.h @@ -843,8 +843,9 @@ namespace llvm { virtual bool isUsedByReturnOnly(SDNode *N) const; - virtual MVT - getTypeForExtArgOrReturn(EVT VT, ISD::NodeType ExtendKind) const; + virtual EVT + getTypeForExtArgOrReturn(LLVMContext &Context, EVT VT, + ISD::NodeType ExtendKind) const; virtual bool CanLowerReturn(CallingConv::ID CallConv, bool isVarArg, |