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3 Commits

Author SHA1 Message Date
Simon Pilgrim ec56621a5c [SystemZ] Remove fcmp undef from reduced test 
Pre-commit for D60006 (Add fcmp UNDEF handling to SelectionDAG::FoldSetCC)

Approved by @uweigand (Ulrich Weigand)

llvm-svn: 357355
 2019-03-30 20:24:26 +00:00
Simon Pilgrim 759cbee744 [SystemZ] Regenerate double constant comparison test 
Prep work for PR40800 (Add UNDEF handling to SelectionDAG::FoldSetCC) 

llvm-svn: 357295
 2019-03-29 18:23:08 +00:00
Jonas Paulsson 38a2da92bc [DAGCombiner] Don't make a BUILD_VECTOR with operands of illegal type. 
When DAGCombiner visits a SIGN_EXTEND_INREG of a BUILD_VECTOR with
constant operands, a new BUILD_VECTOR node will be created transformed
constants.

Llvm-stress found a case where the new BUILD_VECTOR had constant operands
of an illegal type, because the (legal) element type is in fact not a legal
scalar type.

This patch changes this so that the new BUILD_VECTOR has the same operand
type as the old one.

Review: Eli Friedman, Nirav Dave
https://bugs.llvm.org//show_bug.cgi?id=32422

llvm-svn: 299540
 2017-04-05 13:45:37 +00:00