tree 31bca8949ed5383e120344192fe2d556dac7b869
parent 4c9126153d1d253f5177da772141aee8a6530ef2
author qining <qining@google.com> 1459736442 -0400
committer qining <qining@google.com> 1459961791 -0400

Turn on SpecConstantOpMode based on node qualifier

Move SpecConstantOpModeGuard from makeSpvConstantFromConstSubTree() to
visitbinary() and visitunary(). Checking if the visiting node is a spec
constants, if so, turn on the SpecConstantOpMode, otherwise, stay in the
normal mode.