cmd/compile: run fmt on ssa

prove.go used to make my editor and precomit checks very unhappy.

Change-Id: I25f7ffa2191480bc1b4f91fa91ccf3e4768045fa
Reviewed-on: https://go-review.googlesource.com/c/go/+/685818
Reviewed-by: Carlos Amedee <[email protected]>
Reviewed-by: Keith Randall <[email protected]>
Reviewed-by: Keith Randall <[email protected]>
Auto-Submit: Keith Randall <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>

Author: Jorropo

src/cmd/compile/internal/ssa/prove.go

@@ -1917,15 +1917,22 @@ func (ft *factsTable) flowLimit(v *Value) bool {
 
 // See if we can get any facts because v is the result of signed mod by a constant.
 // The mod operation has already been rewritten, so we have to try and reconstruct it.
-//   x % d
+//
+//	x % d
+//
 // is rewritten as
-//   x - (x / d) * d
+//
+//	x - (x / d) * d
+//
 // furthermore, the divide itself gets rewritten. If d is a power of 2 (d == 1<<k), we do
-//   (x / d) * d = ((x + adj) >> k) << k
-//               = (x + adj) & (-1<<k)
+//
+//	(x / d) * d = ((x + adj) >> k) << k
+//	            = (x + adj) & (-1<<k)
+//
 // with adj being an adjustment in case x is negative (see below).
 // if d is not a power of 2, we do
-//   x / d = ... TODO ...
+//
+//	x / d = ... TODO ...
 func (ft *factsTable) detectSignedMod(v *Value) bool {
 	if ft.detectSignedModByPowerOfTwo(v) {
 		return true