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cmd/compile: call fninit earlier

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This allows the global initializers function to go through normal
mid-end optimizations (e.g., inlining, escape analysis) like any other
function.

Updates #33485.

Change-Id: I9bcfe98b8628d1aca09b4c238d8d3b74c69010a5
Reviewed-on: https://go-review.googlesource.com/c/go/+/254839
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Matthew Dempsky 2020-09-14 12:56:37 -07:00
parent 237410547b
commit f4936d09fd
3 changed files with 6 additions and 10 deletions
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6
src/cmd/compile/internal/gc/main.go
View file

@ -642,6 +642,8 @@ func Main(archInit func(*Arch)) {
errorexit()
}
fninit(xtop)
// Phase 4: Decide how to capture closed variables.
// This needs to run before escape analysis,
// because variables captured by value do not escape.
@ -751,10 +753,6 @@ func Main(archInit func(*Arch)) {
}
timings.AddEvent(fcount, "funcs")
if nsavederrors+nerrors == 0 {
fninit(xtop)
}
compileFunctions()
if nowritebarrierrecCheck != nil {