Sathya Gunasekaran 3d3ad1b9ef [LeaveSSA] Process all phis in a block ...

I don't know if it's possible to write a test for this as I can't seem to get 
the codegen to change. 

For the following testcase: ``` function useFoo(setOne) {   let x;   let y;   if 
(setOne) {     x = 1;     y = 3;   } else {     x = 2;     y = 5;   } 

return { x, y }; } ``` 

The LeaveSSA changes from: ``` .... bb1 (block):   predecessor blocks: bb2 bb3   
x$36:TPrimitive: phi(bb2: x$19, bb3: x$19)   y$21[8:14]:TPrimitive: phi(bb2: 
y$21, bb3: y$21) 

... ``` 

to ``` ... bb1 (block):   predecessor blocks: bb2 bb3   x$36:TPrimitive: 
phi(bb2: x$19, bb3: x$19)   y$38:TPrimitive: phi(bb2: y$21, bb3: y$21) ... ``` 

Notice how `y`'s reassignment got skipped previously.

2023-10-24 16:09:08 +01:00

compiler

[LeaveSSA] Process all phis in a block

2023-10-24 16:09:08 +01:00

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