diff options
| -rw-r--r-- | src/cmd/compile/internal/inline/inl.go | 3 | ||||
| -rw-r--r-- | test/inline_big.go | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/src/cmd/compile/internal/inline/inl.go b/src/cmd/compile/internal/inline/inl.go index 8620db2adb..e3b2e44f61 100644 --- a/src/cmd/compile/internal/inline/inl.go +++ b/src/cmd/compile/internal/inline/inl.go @@ -742,6 +742,9 @@ func InlineCalls(fn *ir.Func, profile *pgo.Profile) { ir.CurFunc = fn maxCost := int32(inlineMaxBudget) if isBigFunc(fn) { + if base.Flag.LowerM > 1 { + fmt.Printf("%v: function %v considered 'big'; revising maxCost from %d to %d\n", ir.Line(fn), fn, maxCost, inlineBigFunctionMaxCost) + } maxCost = inlineBigFunctionMaxCost } var inlCalls []*ir.InlinedCallExpr diff --git a/test/inline_big.go b/test/inline_big.go index 83672753f7..7dd1abdb6a 100644 --- a/test/inline_big.go +++ b/test/inline_big.go @@ -20,7 +20,7 @@ func medium(a []int) int { // ERROR "can inline medium with cost .* as:.*" "a do return a[0] + a[1] + a[2] + a[3] + a[4] + a[5] + a[6] + a[7] } -func f(a []int) int { // ERROR "cannot inline f:.*" "a does not escape" +func f(a []int) int { // ERROR "cannot inline f:.*" "a does not escape" "function f considered 'big'" // Add lots of nodes to f's body. We need >5000. // See cmd/compile/internal/gc/inl.go:inlineBigFunction* a[0] = 0 |