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[X86][FastIsel] Teach how to select scalar integer to float/double conversions.
authorAndrea Di Biagio <Andrea_DiBiagio@sn.scee.net>
Tue, 17 Feb 2015 23:40:58 +0000 (23:40 +0000)
committerAndrea Di Biagio <Andrea_DiBiagio@sn.scee.net>
Tue, 17 Feb 2015 23:40:58 +0000 (23:40 +0000)
commitb3ff6a88b6bbfc0fd1798ebe55c7e3ca32ef8bef
tree0ebb9b83891b71718ee60e162d94c60674bb5a14tree | snapshot
parent3b75cfe17930b392b1d6ba8f6fd432833c159472commit | diff
[X86][FastIsel] Teach how to select scalar integer to float/double conversions.

This patch teaches fast-isel how to select a (V)CVTSI2SSrr for an integer to
float conversion, and how to select a (V)CVTSI2SDrr for an integer to double
conversion.

Added test 'fast-isel-int-float-conversion.ll'.

Differential Revision: http://reviews.llvm.org/D7698

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229589 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86FastISel.cpp diff | blob | history
test/CodeGen/X86/fast-isel-int-float-conversion.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors