Xinliang David Li writes:
> On Wed, Sep 30, 2015 at 5:42 PM, Justin Bogner wrote:
>> David Li writes:
>>> davidxl created this revision.
>>> davidxl added reviewers: bogner, rsmith.
>>> davidxl added subscribers: cfe-commits, llvm-commits.
>>> Herald added subscribers: srhines, danalbert, tbergh
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davidxl added a comment.
Will split the patch into 3.
http://reviews.llvm.org/D13319
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On Wed, Sep 30, 2015 at 5:42 PM, Justin Bogner wrote:
> David Li writes:
>> davidxl created this revision.
>> davidxl added reviewers: bogner, rsmith.
>> davidxl added subscribers: cfe-commits, llvm-commits.
>> Herald added subscribers: srhines, danalbert, tberghammer.
>>
>> With PGO, the instrum
rsmith added inline comments.
Comment at: lib/Driver/ToolChains.cpp:2191-2193
@@ +2190,5 @@
+
+ SmallString<128> Path(getDriver().ResourceDir);
+ llvm::sys::path::append(Path, "prf_data.x");
+ CmdArgs.push_back(Args.MakeArgString(Path));
+ return true;
Please
David Li writes:
> davidxl created this revision.
> davidxl added reviewers: bogner, rsmith.
> davidxl added subscribers: cfe-commits, llvm-commits.
> Herald added subscribers: srhines, danalbert, tberghammer.
>
> With PGO, the instrumented binary needs to dump __llvm_prf_data,
> __llvm_prf_cnts,
rsmith added a comment.
Clang changes LGTM.
http://reviews.llvm.org/D13319
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davidxl added a comment.
With this patch, 11M bytes (text section) can be shaved off clang build with
instrumentation.
http://reviews.llvm.org/D13319
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davidxl created this revision.
davidxl added reviewers: bogner, rsmith.
davidxl added subscribers: cfe-commits, llvm-commits.
Herald added subscribers: srhines, danalbert, tberghammer.
With PGO, the instrumented binary needs to dump __llvm_prf_data,
__llvm_prf_cnts, and __llvm_prf_names data sect
