[PATCH] D148142: [WIP] Check and generate 32 bit saveexec for gfx10 and above targets

[krishna chaitanya sankisa via Phabricator via llvm-commits]

skc7 added a comment.

In D148142#4378978 <https://reviews.llvm.org/D148142#4378978>, @arsenm wrote:

> If we’re going to do this, no changes should be needed in SIFrameLowering. The wavesize set in the subtarget constructor would be adjusted to consistently apply this everywhere. The prolog code is a very minor piece of this

@arsenm isWave32() method in GCNSubtarget class needs to be updated to ignore wave32 feature pre-gfx9 ?


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https://reviews.llvm.org/D148142