Impala Public Jenkins has submitted this change and it was merged. ( 
http://gerrit.cloudera.org:8080/16208 )

Change subject: IMPALA-7655: Implement codegen for conditional functions (if, 
isnull, coalesce)
......................................................................

IMPALA-7655: Implement codegen for conditional functions (if, isnull, coalesce)

Implement proper codegen for conditional functions (if, isnull,
coalesce) instead of simply calling into interpreted code. We use
IRBuilder to generate hand-crafted code.

Change-Id: I11f617a9148492ccafb46112ce0af103a10090f8
Reviewed-on: http://gerrit.cloudera.org:8080/16208
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
---
M be/src/exprs/case-expr.cc
M be/src/exprs/conditional-functions-ir.cc
M be/src/exprs/conditional-functions.cc
3 files changed, 289 insertions(+), 85 deletions(-)

Approvals:
  Impala Public Jenkins: Looks good to me, approved; Verified

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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I11f617a9148492ccafb46112ce0af103a10090f8
Gerrit-Change-Number: 16208
Gerrit-PatchSet: 7
Gerrit-Owner: Daniel Becker <[email protected]>
Gerrit-Reviewer: Bikramjeet Vig <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Daniel Becker <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>

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