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llvm-mirror/test/CodeGen/AArch64/xray-attribute-instrumentation.ll
Dean Michael Berris 348698be37 [XRay][CodeGen] Use PIC-friendly code in XRay sleds and remove synthetic references in .text
Summary:
This is a re-roll of D36615 which uses PLT relocations in the back-end
to the call to __xray_CustomEvent() when building in -fPIC and
-fxray-instrument mode.

Reviewers: pcc, djasper, bkramer

Subscribers: sdardis, javed.absar, llvm-commits

Differential Revision: https://reviews.llvm.org/D37373

llvm-svn: 312466
2017-09-04 05:34:58 +00:00

32 lines
781 B
LLVM

; RUN: llc -filetype=asm -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