Files
clang-p2996/llvm/test/CodeGen/X86/fentry-insertion.ll
Nirav Dave a7c041d147 [X86] Implement -mfentry
Summary: Insert calls to __fentry__ at function entry.

Reviewers: hfinkel, craig.topper

Subscribers: mgorny, llvm-commits

Differential Revision: https://reviews.llvm.org/D28000

llvm-svn: 293648
2017-01-31 17:00:27 +00:00

17 lines
310 B
LLVM

; RUN: llc %s -o - | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define void @test1() #0 {
entry:
ret void
; CHECK-LABEL: @test1
; CHECK: callq __fentry__
; CHECK-NOT: mcount
; CHECK: retq
}
attributes #0 = { "fentry-call"="true" }