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fe2da30cb5
For the loop body guarded by testing.B.Loop, we disable function inlining and devirtualization inside. The only legal form to be matched is `for b.Loop() {...}`.
For #61515
Change-Id: I2e226f08cb4614667cbded498a7821dffe3f72d8
Reviewed-on: https://go-review.googlesource.com/c/go/+/612043
Reviewed-by: Michael Pratt <mpratt@google.com>
TryBot-Bypass: Junyang Shao <shaojunyang@google.com>
Commit-Queue: Junyang Shao <shaojunyang@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
32 lines
792 B
Go
32 lines
792 B
Go
// errorcheck -0 -m=2
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// Copyright 2024 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Test no inlining of function calls in testing.B.Loop.
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// See issue #61515.
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package foo
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import "testing"
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func caninline(x int) int { // ERROR "can inline caninline"
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return x
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}
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func cannotinline(b *testing.B) { // ERROR "b does not escape" "cannot inline cannotinline.*"
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for i := 0; i < b.N; i++ {
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caninline(1) // ERROR "inlining call to caninline"
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}
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for b.Loop() { // ERROR "skip inlining within testing.B.loop"
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caninline(1)
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}
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for i := 0; i < b.N; i++ {
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caninline(1) // ERROR "inlining call to caninline"
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}
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for b.Loop() { // ERROR "skip inlining within testing.B.loop"
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caninline(1)
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}
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}
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