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(parent: 8e1d151) | patch
[PowerPC] Fold [sz]ext with fp_to_int lowering where possible
authorHal Finkel <hfinkel@anl.gov>
Fri, 9 Jan 2015 01:34:30 +0000 (01:34 +0000)
committerHal Finkel <hfinkel@anl.gov>
Fri, 9 Jan 2015 01:34:30 +0000 (01:34 +0000)
commit4e98296890c4e23d21841331f34c18d84e2d6e76
tree0dfe31365301de4845b0cbeb92090e6b649ab30atree | snapshot
parent8e1d151abe2a2f7e21dfb4ba5d01103ea920495fcommit | diff
[PowerPC] Fold [sz]ext with fp_to_int lowering where possible

On modern cores with lfiw[az]x, we can fold a sign or zero extension from i32
to i64 into the load necessary for an i64 -> fp conversion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225493 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/PowerPC/PPCISelLowering.cpp diff | blob | history
lib/Target/PowerPC/PPCISelLowering.h diff | blob | history
test/CodeGen/PowerPC/fp-to-int-ext.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors