mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 10:42:39 +01:00
5474d8b64f
Previously we reliedy on pseudo probe descriptors to look up precomputed GUID during probe emission for inlined probes. Since we are moving to always using unique linkage names, GUID for functions can be computed in place from dwarf names. This eliminates the need of importing pseudo probe descs in thinlto, since those descs should be emitted by the original modules. This significantly reduces thinlto memory footprint in some extreme case where the number of imported modules for a single module is massive. Test Plan: Reviewed By: wenlei Differential Revision: https://reviews.llvm.org/D105248
29 lines
983 B
LLVM
29 lines
983 B
LLVM
; RUN: opt -module-summary %s -o %t1.bc
|
|
; RUN: opt -module-summary %p/Inputs/pseudo-probe-desc-import.ll -o %t2.bc
|
|
; RUN: llvm-lto -thinlto-action=thinlink -o %t.index.bc %t1.bc %t2.bc
|
|
|
|
; Don't import pseudo probe desc.
|
|
; RUN: llvm-lto -thinlto-action=import %t1.bc -thinlto-index=%t.index.bc -o - | llvm-dis -o - | FileCheck %s
|
|
; CHECK-NOT: {i64 6699318081062747564, i64 4294967295, !"foo"
|
|
; CHECK: !{i64 -2624081020897602054, i64 281479271677951, !"main"
|
|
|
|
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
define i32 @main() {
|
|
entry:
|
|
call void (...) @foo()
|
|
call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 1, i32 0, i64 -1)
|
|
ret i32 0
|
|
}
|
|
|
|
declare void @foo(...)
|
|
|
|
declare void @llvm.pseudoprobe(i64, i64, i32, i64) #0
|
|
|
|
attributes #0 = { inaccessiblememonly nounwind willreturn }
|
|
|
|
!llvm.pseudo_probe_desc = !{!0}
|
|
|
|
!0 = !{i64 -2624081020897602054, i64 281479271677951, !"main", null}
|