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| author | Chris Lattner <sabre@nondot.org> | 2005-07-28 05:23:43 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-07-28 05:23:43 +0000 |
| commit | a8195603e41113ff648b51c5137e2fb4fa10913a (patch) | |
| tree | 568d805f1680d1c124d155a05b5d97b9d522bb6c | |
| parent | 7c38bd14ef48fbac9ed1c597936a2d186cd6f174 (diff) | |
| download | bcm5719-llvm-a8195603e41113ff648b51c5137e2fb4fa10913a.tar.gz bcm5719-llvm-a8195603e41113ff648b51c5137e2fb4fa10913a.zip | |
Eliminate an extra copy from R1 that Nate noticed on function calls that
have to write arguments to the stack
llvm-svn: 22536
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp b/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp index efdb8b5b289..c544e4d7fd0 100644 --- a/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp +++ b/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp @@ -1293,7 +1293,8 @@ unsigned ISel::SelectExpr(SDOperand N, bool Recording) { MVT::ValueType DestType = N.getValueType(); if (Node->getOpcode() == ISD::CopyFromReg && - MRegisterInfo::isVirtualRegister(cast<RegSDNode>(Node)->getReg())) + (MRegisterInfo::isVirtualRegister(cast<RegSDNode>(Node)->getReg()) || + cast<RegSDNode>(Node)->getReg() == PPC::R1)) // Just use the specified register as our input. return cast<RegSDNode>(Node)->getReg(); |
