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[lld-macho] Add time tracing for LTO 

The test is similar to the one used for LLD-ELF.

Differential Revision: https://reviews.llvm.org/D99318
This commit is contained in:
Jez Ng 2021-03-25 00:57:39 -04:00
parent 94e369400e
commit ae7aa9ed15
2 changed files with 47 additions and 0 deletions
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2
lld/MachO/LTO.cpp
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@ -36,6 +36,8 @@ static lto::Config createConfig() {
c.PreCodeGenPassesHook = [](legacy::PassManager &pm) {
pm.add(createObjCARCContractPass());
};
c.TimeTraceEnabled = config->timeTraceEnabled;
c.TimeTraceGranularity = config->timeTraceGranularity;
return c;
}

45
lld/test/MachO/thinlto-time-trace.ll Normal file
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@ -0,0 +1,45 @@
; REQUIRES: x86
; RUN: rm -rf %t; split-file %s %t
; Test ThinLTO with time trace
; RUN: opt -module-summary %t/f.s -o %t/f.o
; RUN: opt -module-summary %t/g.s -o %t/g.o
; RUN: %lld --time-trace --time-trace-granularity=0 -dylib %t/f.o %t/g.o -o %t/libTest.dylib
; RUN: cat %t/libTest.dylib.time-trace \
; RUN: | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
; RUN: | FileCheck %s
; CHECK: "traceEvents": [
; Check fields for an event are present
; CHECK: "args":
; CHECK-NEXT: "detail":
; CHECK: "dur":
; CHECK-NEXT: "name":
; CHECK-NEXT: "ph":
; CHECK-NEXT: "pid":
; CHECK-NEXT: "tid":
; CHECK-NEXT: "ts":
; Check that an optimization event is present
; CHECK: "name": "OptModule"
;--- f.s
target triple = "x86_64-apple-darwin"
target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
declare void @g(...)
define void @f() {
entry:
call void (...) @g()
ret void
}
;--- g.s
target triple = "x86_64-apple-darwin"
target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
define void @g() {
entry:
ret void
}