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(parent: b055f74) | patch
Recognize sign/zero-extended constant BUILD_VECTORs for VMULL operations.
authorBob Wilson <bob.wilson@apple.com>
Tue, 23 Nov 2010 19:38:38 +0000 (19:38 +0000)
committerBob Wilson <bob.wilson@apple.com>
Tue, 23 Nov 2010 19:38:38 +0000 (19:38 +0000)
commit626613d5e8805db1f40e956faf47c87bea3aee44
treefbec1eec6cfd3337dc2ea1afc3c43bf90302cd96tree | snapshot
parentb055f740bd25317fabd1065f2c95bc4f03cc1b5fcommit | diff
Recognize sign/zero-extended constant BUILD_VECTORs for VMULL operations.
We need to check if the individual vector elements are sign/zero-extended
values.  For now this only handles constants values.  Radar 8687140.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120034 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/ARM/ARMISelLowering.cpp diff | blob | history
test/CodeGen/ARM/vmul.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors