llvm/test/tools/llvm-exegesis/X86/latency/subprocess-preserved-registers.s

   1 # REQUIRES: exegesis-can-measure-latency, x86_64-linux
   2
   3 # RUN: llvm-exegesis -mtriple=x86_64-unknown-unknown -mode=latency -snippets-file=%s -execution-mode=subprocess | FileCheck %s
   4
   5 # Check that the value of the registers preserved in subprocess mode while
   6 # making the ioctl system call are actually preserved correctly.
   7
   8 # LLVM-EXEGESIS-DEFREG RAX 3
   9 # LLVM-EXEGESIS-DEFREG RCX 5
  10 # LLVM-EXEGESIS-DEFREG RDX 7
  11 # LLVM-EXEGESIS-DEFREG RBX B
  12 # LLVM-EXEGESIS-DEFREG RSI D
  13 # LLVM-EXEGESIS-DEFREG RDI 11
  14 # LLVM-EXEGESIS-DEFREG RSP 13
  15 # LLVM-EXEGESIS-DEFREG RBP 17
  16 # LLVM-EXEGESIS-DEFREG R8 1D
  17 # LLVM-EXEGESIS-DEFREG R9 1F
  18 # LLVM-EXEGESIS-DEFREG R10 29
  19 # LLVM-EXEGESIS-DEFREG R11 2B
  20 # LLVM-EXEGESIS-DEFREG R12 2F
  21 # LLVM-EXEGESIS-DEFREG R13 35
  22 # LLVM-EXEGESIS-DEFREG R14 127
  23 # LLVM-EXEGESIS-DEFREG R15 0
  24
  25 cmpq $0x3, %rax
  26 cmovneq %r14, %r15
  27 cmpq $0x5, %rcx
  28 cmovneq %r14, %r15
  29 cmpq $0x7, %rdx
  30 cmovneq %r14, %r15
  31 cmpq $0xB, %rbx
  32 cmovneq %r14, %r15
  33 cmpq $0xD, %rsi
  34 cmovneq %r14, %r15
  35 cmpq $0x11, %rdi
  36 cmovneq %r14, %r15
  37 cmpq $0x13, %rsp
  38 cmovneq %r14, %r15
  39 cmpq $0x17, %rbp
  40 cmovneq %r14, %r15
  41 cmpq $0x1d, %r8
  42 cmovneq %r14, %r15
  43 cmpq $0x1f, %r9
  44 cmovneq %r14, %r15
  45 cmpq $0x29, %r10
  46 cmovneq %r14, %r15
  47 cmpq $0x2b, %r11
  48 cmovneq %r14, %r15
  49 cmpq $0x2f, %r12
  50 cmovneq %r14, %r15
  51 cmpq $0x35, %r13
  52 cmovneq %r14, %r15
  53
  54 movq $60, %rax
  55 movq %r15, %rdi
  56 syscall
  57
  58 # CHECK-NOT: error:           'Child benchmarking process exited with non-zero exit code: Child process returned with unknown exit code'
  59