cmd/compile: in poset, improve panic strings and comments
No functional changes.
Change-Id: I6f5e811e141dd09dc5c47ff2d37fae4c640315e3
Reviewed-on: https://go-review.googlesource.com/c/go/+/200862
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/src/cmd/compile/internal/ssa/poset.go b/src/cmd/compile/internal/ssa/poset.go
index 1ddc3e3..e4fa3a8 100644
--- a/src/cmd/compile/internal/ssa/poset.go
+++ b/src/cmd/compile/internal/ssa/poset.go
@@ -874,7 +874,7 @@
defer po.CheckIntegrity()
}
if n1.ID == n2.ID {
- panic("should not call Equal with n1==n2")
+ panic("should not call NonEqual with n1==n2")
}
if po.isnoneq(n1.ID, n2.ID) {
return true
@@ -888,7 +888,8 @@
return false
}
-// setOrder records that n1<n2 or n1<=n2 (depending on strict).
+// setOrder records that n1<n2 or n1<=n2 (depending on strict). Returns false
+// if this is a contradiction.
// Implements SetOrder() and SetOrderOrEqual()
func (po *poset) setOrder(n1, n2 *Value, strict bool) bool {
// If we are trying to record n1<=n2 but we learned that n1!=n2,
@@ -1110,7 +1111,7 @@
defer po.CheckIntegrity()
}
if n1.ID == n2.ID {
- panic("should not call Equal with n1==n2")
+ panic("should not call SetNonEqual with n1==n2")
}
// See if we already know this
