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Commit 2a9d318e authored by Hal Finkel's avatar Hal Finkel
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When using CR bit registers on PPC32, handle the i1 vaarg case 

When copying an i1 value into a GPR for a vaarg call, we need to explicitly
zero-extend the i1 value (otherwise an invalid CRBIT -> GPR copy will be
generated).

llvm-svn: 203041
parent 7c582545
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