[LLVMdev] RFC: Constant Hoisting

Chris Sears chris.sears at gmail.com
Tue Feb 3 12:25:01 PST 2015


That's true but the essential result is the same. It's bracketed between
3.4.1 and ~3.5.

BTW, Bug #2 doesn't show up in 3.3 but does in 3.4.1. (Thanks Matt)

This is Bug #2 not being present in 3.3:


http://goo.gl/UJuNwX

jb .LBB0_12

btq $56, %rdi

jb .LBB0_13


This is Bug #2 being present in 3.4.1:


http://goo.gl/FCR7pc

jb .LBB0_12

movabsq $72057594037927936, %rcx # imm = 0x100000000000000
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