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| author | Chris Lattner <sabre@nondot.org> | 2005-04-01 22:46:45 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-04-01 22:46:45 +0000 |
| commit | f4b985d1f68ad9c7e39f7d98044c2efb3873008a (patch) | |
| tree | 22561cbfbd7110ca118292a06949df2bdd418873 /llvm/lib | |
| parent | cda9aa7fa9c418653acdcf25eefa328f22b5891c (diff) | |
| download | bcm5719-llvm-f4b985d1f68ad9c7e39f7d98044c2efb3873008a.tar.gz bcm5719-llvm-f4b985d1f68ad9c7e39f7d98044c2efb3873008a.zip | |
Add support for ISD::UNDEF to the X86 be
llvm-svn: 20990
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelPattern.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelPattern.cpp b/llvm/lib/Target/X86/X86ISelPattern.cpp index 5d91fe41b48..0e77a7f8b8e 100644 --- a/llvm/lib/Target/X86/X86ISelPattern.cpp +++ b/llvm/lib/Target/X86/X86ISelPattern.cpp @@ -1384,6 +1384,14 @@ unsigned ISel::SelectExpr(SDOperand N) { } BuildMI(BB, Opc, 1,Result).addImm(cast<ConstantSDNode>(N)->getValue()); return Result; + case ISD::UNDEF: + if (Node->getValueType(0) == MVT::f64) { + // FIXME: SHOULD TEACH STACKIFIER ABOUT UNDEF VALUES! + BuildMI(BB, X86::FLD0, 0, Result); + } else { + BuildMI(BB, X86::IMPLICIT_DEF, 0, Result); + } + return Result; case ISD::GlobalAddress: { GlobalValue *GV = cast<GlobalAddressSDNode>(N)->getGlobal(); BuildMI(BB, X86::MOV32ri, 1, Result).addGlobalAddress(GV); |
