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| author | Mateusz Poliwczak <mpoliwczak34@gmail.com> | 2025-02-17 11:29:04 +0000 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2025-02-19 13:38:58 -0800 |
| commit | ba3f568988bff69b3d00cd6ca76ab536eacbea48 (patch) | |
| tree | 123afe80487361f0212a26035700b8b139ace8ce /test/escape_array.go | |
| parent | 28d7eec3a23c04fb74863d032d499b76c3c3d4c3 (diff) | |
| download | go-ba3f568988bff69b3d00cd6ca76ab536eacbea48.tar.xz | |
cmd/compile: determine static values of len and cap in make() calls
This change improves escape analysis by attempting to
deduce static values for the len and cap parameters,
allowing allocations to be made on the stack.
Change-Id: I1161019aed9f60cf2c2fe4d405da94ad415231ac
GitHub-Last-Rev: d78c1b4ca55fa53282e665009f689d0b013f1434
GitHub-Pull-Request: golang/go#71693
Reviewed-on: https://go-review.googlesource.com/c/go/+/649035
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Diffstat (limited to 'test/escape_array.go')
| -rw-r--r-- | test/escape_array.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/test/escape_array.go b/test/escape_array.go index 83062c9436..1a1eb5e4aa 100644 --- a/test/escape_array.go +++ b/test/escape_array.go @@ -123,7 +123,7 @@ func doesMakeSlice(x *string, y *string) { // ERROR "leaking param: x" "leaking func nonconstArray() { n := 32 - s1 := make([]int, n) // ERROR "make\(\[\]int, n\) escapes to heap" - s2 := make([]int, 0, n) // ERROR "make\(\[\]int, 0, n\) escapes to heap" + s1 := make([]int, n) // ERROR "make\(\[\]int, 32\) does not escape" + s2 := make([]int, 0, n) // ERROR "make\(\[\]int, 0, 32\) does not escape" _, _ = s1, s2 } |