File: xray-log-args.ll

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llvm-toolchain-7 1%3A7.0.1-8~deb9u3
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; When logging arguments is specified, emit the entry sled accordingly.

; RUN: llc -verify-machineinstrs -filetype=asm -o - -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
; RUN: llc -verify-machineinstrs -filetype=asm -o - -mtriple=x86_64-darwin-unknown < %s | FileCheck %s

define i32 @callee(i32 %arg) nounwind noinline uwtable "function-instrument"="xray-always" "xray-log-args"="1" {
  ret i32 %arg
}
; CHECK-LABEL: Lxray_sleds_start0:
; CHECK:  .quad {{\.?}}Lxray_sled_0
; CHECK:  .quad {{_?}}callee
; CHECK:  .byte 0x03
; CHECK:  .byte 0x01
; CHECK:  .byte 0x00
; CHECK:  .{{(zero|space)}}  13
; CHECK:  .quad {{\.?}}Lxray_sled_1
; CHECK:  .quad {{_?}}callee
; CHECK:  .byte 0x01
; CHECK:  .byte 0x01
; CHECK:  .byte 0x00
; CHECK:  .{{(zero|space)}}  13

define i32 @caller(i32 %arg) nounwind noinline uwtable "function-instrument"="xray-always" "xray-log-args"="1" {
  %retval = tail call i32 @callee(i32 %arg)
  ret i32 %retval
}
; CHECK-LABEL: Lxray_sleds_start1:
; CHECK:  .quad {{\.?}}Lxray_sled_2
; CHECK:  .quad {{_?}}caller
; CHECK:  .byte 0x03
; CHECK:  .byte 0x01
; CHECK:  .byte 0x00
; CHECK:  .{{(zero|space)}}  13
; CHECK:  .quad {{\.?}}Lxray_sled_3
; CHECK:  .quad {{_?}}caller
; CHECK:  .byte 0x02
; CHECK:  .byte 0x01
; CHECK:  .byte 0x00
; CHECK:  .{{(zero|space)}}  13