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3 Commits

Author SHA1 Message Date
Matt Arsenault
dfec702290 AMDGPU: Check for other uses when looking through casted select 
Fixes mesa regression on ext_transform_feedback-max-varyings
 2020-01-23 11:31:24 -05:00
Matt Arsenault
2fe500ab5b AMDGPU: Look through casted selects to constant fold bin ops 
The promotion of the uniform select to i32 interfered with this fold.
 2020-01-22 10:16:39 -05:00
Matt Arsenault
bcd91778fe AMDGPU: Do binop of select of constant fold in AMDGPUCodeGenPrepare 
DAGCombiner does this, but divisions expanded here miss this
optimization. Since 67aa18f165640374cf0e0a6226dc793bbda6e74f,
divisions have been expanded here and missed out on this
optimization. Avoids test regressions in a future patch.
 2020-01-22 10:16:39 -05:00