this is 99% correct.
Am/C = x-3-x-2-1-0 (dave plays it like this but it sounds much more fuller
if you play it like this x-3-2-2-1-0)
Am = x-0-2-2-1-0
Am7 = x-0-2-0-1-0
C = x-3-2-0-1-0
Cmaj7 = x-3-2-0-0-0
Dm = x-x-0-2-3-1
Em7 = 0-2-2-0-3-0
F = x-3-3-2-1-x
Fmaj7 = x-3-3-2-1-0
Fsus2 = x-3-3-0-1-x
Fmaj7sus2 = x-3-3-0-1-0
G1 = 3-2-0-0-0-x
Gadd9 = 3-x-0-2-x-x
G2 = 3-x-0-4-x-x
Gadd11 = 3-2-0-0-1-x
Am/C Cmaj7 Am/C Cmaj7
Would this do to make it all right
Am/C Cmaj7 Am/C Cmaj7
while sleep has taken you where I'm out of sight.
[ Tab from: https://www.guitartabs.cc/tabs/d/david_gilmour/smile_crd_ver_2.html ]
Dm Em7 F Fsus2 F G1
I'll make my getaway time on my own
Dm Em7 Fmaj7 Fsus2 Fmaj7 G1 Gadd9
Search for a better way to find my way home to
G2 A/C
your smile.
Repeat verse and chorus
Bridge: Fmaj7 - Fmaj7sus2 - Fmaj 7 - Fmaj7sus2
Am - Am7 - Am - Am7
Fmaj7 - fmaj7sus2 - Fmaj7 - Fmaj7sus2
Gadd11 - G1 - Gadd11 - G1
The walkup and down at the end of the bridge are these notes:
G-A-B-C-B-A-G-G-G-F-E-D-C (starting on the G string)
repeat verse and chorus twice... song ends on C