llvm-project/llvm/test/CodeGen/X86/xray-attribute-instrumentation.ll
Kuba Mracek 06995e866b [xray] Add XRay support for Mach-O in CodeGen
Currently, XRay only supports emitting the XRay table (xray_instr_map) on ELF binaries. Let's add Mach-O support.

Differential Revision: https://reviews.llvm.org/D26983

llvm-svn: 287734
2016-11-23 02:07:04 +00:00

54 lines
1.7 KiB
LLVM

; RUN: llc -filetype=asm -o - -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
; RUN: llc -filetype=asm -o - -mtriple=x86_64-darwin-unknown < %s | FileCheck %s
define i32 @foo() nounwind noinline uwtable "function-instrument"="xray-always" {
; CHECK: .p2align 1, 0x90
; CHECK-LABEL: Lxray_sled_0:
; CHECK-NEXT: .ascii "\353\t"
; CHECK-NEXT: nopw 512(%rax,%rax)
; CHECK-LABEL: Ltmp0:
ret i32 0
; CHECK: .p2align 1, 0x90
; CHECK-LABEL: Lxray_sled_1:
; CHECK-NEXT: retq
; CHECK-NEXT: nopw %cs:512(%rax,%rax)
}
; CHECK: .p2align 4, 0x90
; CHECK-NEXT: .quad {{.*}}xray_synthetic_0
; CHECK-NEXT: .section {{.*}}xray_instr_map
; CHECK-LABEL: Lxray_synthetic_0:
; CHECK: .quad {{.*}}xray_sled_0
; CHECK: .quad {{.*}}xray_sled_1
; We test multiple returns in a single function to make sure we're getting all
; of them with XRay instrumentation.
define i32 @bar(i32 %i) nounwind noinline uwtable "function-instrument"="xray-always" {
; CHECK: .p2align 1, 0x90
; CHECK-LABEL: Lxray_sled_2:
; CHECK-NEXT: .ascii "\353\t"
; CHECK-NEXT: nopw 512(%rax,%rax)
; CHECK-LABEL: Ltmp1:
Test:
%cond = icmp eq i32 %i, 0
br i1 %cond, label %IsEqual, label %NotEqual
IsEqual:
ret i32 0
; CHECK: .p2align 1, 0x90
; CHECK-LABEL: Lxray_sled_3:
; CHECK-NEXT: retq
; CHECK-NEXT: nopw %cs:512(%rax,%rax)
NotEqual:
ret i32 1
; CHECK: .p2align 1, 0x90
; CHECK-LABEL: Lxray_sled_4:
; CHECK-NEXT: retq
; CHECK-NEXT: nopw %cs:512(%rax,%rax)
}
; CHECK: .p2align 4, 0x90
; CHECK-NEXT: .quad {{.*}}xray_synthetic_1
; CHECK-NEXT: .section {{.*}}xray_instr_map
; CHECK-LABEL: Lxray_synthetic_1:
; CHECK: .quad {{.*}}xray_sled_2
; CHECK: .quad {{.*}}xray_sled_3
; CHECK: .quad {{.*}}xray_sled_4