mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
b5f0be1e22
Summary: Add a flag to omit the xray_fn_idx to cut size overhead and relocations roughly in half at the cost of reduced performance for single function patching. Minor additions to compiler-rt support per-function patching without the index. Reviewers: dberris, MaskRay, johnislarry Subscribers: hiraditya, arphaman, cfe-commits, #sanitizers, llvm-commits Tags: #clang, #sanitizers, #llvm Differential Revision: https://reviews.llvm.org/D81995
33 lines
821 B
LLVM
33 lines
821 B
LLVM
; RUN: llc -filetype=asm -no-xray-index -o - -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s
|
|
|
|
define i32 @foo() nounwind noinline uwtable "function-instrument"="xray-always" {
|
|
; CHECK-LABEL: Lxray_sled_0:
|
|
; CHECK-NEXT: b #32
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: nop
|
|
; CHECK-LABEL: Ltmp0:
|
|
ret i32 0
|
|
; CHECK-LABEL: Lxray_sled_1:
|
|
; CHECK-NEXT: b #32
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: nop
|
|
; CHECK-LABEL: Ltmp1:
|
|
; CHECK-NEXT: ret
|
|
}
|
|
; CHECK-LABEL: xray_instr_map
|
|
; CHECK-LABEL: Lxray_sleds_start0
|
|
; CHECK: .xword .Lxray_sled_0
|
|
; CHECK: .xword .Lxray_sled_1
|
|
; CHECK-LABEL: Lxray_sleds_end0
|
|
|
|
; CHECK-NOT: xray_fn_idx |