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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-05-31 17:28:20 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-05-31 17:28:20 +0000 |
| commit | ee66b417efcf4469dcd9f9ab3f503d27ec66f804 (patch) | |
| tree | 0faba62d52ce5ccca323d4fb9af50c99f7ef7341 | |
| parent | b2a6d8100cfb8a4f9ee251fb274c2d6688b27963 (diff) | |
Add support for return value promotion in X86 calling conventions.
Patch by Yiannis Tsiouris!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157757 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 58af729af1..f3b66e4f90 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -1504,6 +1504,16 @@ X86TargetLowering::LowerReturn(SDValue Chain, SDValue ValToCopy = OutVals[i]; EVT ValVT = ValToCopy.getValueType(); + // Promote values to the appropriate types + if (VA.getLocInfo() == CCValAssign::SExt) + ValToCopy = DAG.getNode(ISD::SIGN_EXTEND, dl, VA.getLocVT(), ValToCopy); + else if (VA.getLocInfo() == CCValAssign::ZExt) + ValToCopy = DAG.getNode(ISD::ZERO_EXTEND, dl, VA.getLocVT(), ValToCopy); + else if (VA.getLocInfo() == CCValAssign::AExt) + ValToCopy = DAG.getNode(ISD::ANY_EXTEND, dl, VA.getLocVT(), ValToCopy); + else if (VA.getLocInfo() == CCValAssign::BCvt) + ValToCopy = DAG.getNode(ISD::BITCAST, dl, VA.getLocVT(), ValToCopy); + // If this is x86-64, and we disabled SSE, we can't return FP values, // or SSE or MMX vectors. if ((ValVT == MVT::f32 || ValVT == MVT::f64 || |