llvm/test/tools/llvm-exegesis/X86/latency/segment-registers-subprocess.asm

   1 # REQUIRES: exegesis-can-measure-latency, x86_64-linux
   2
   3 # Check that the value of the segment registers is set properly when in
   4 # subprocess mode.
   5
   6 # RUN: llvm-exegesis -mtriple=x86_64-unknown-unknown -mode=latency -snippets-file=%s -execution-mode=subprocess | FileCheck %s
   7
   8 # LLVM-EXEGESIS-DEFREG FS 12345600
   9 # LLVM-EXEGESIS-DEFREG GS 2468ac00
  10 # LLVM-EXEGESIS-DEFREG R13 0
  11 # LLVM-EXEGESIS-DEFREG R14 127
  12 # LLVM-EXEGESIS-DEFREG R15 0
  13 # LLVM-EXEGESIS-MEM-DEF MEM1 4096 0000000012345600
  14 # LLVM-EXEGESIS-MEM-DEF MEM2 4096 000000002468ac00
  15 # LLVM-EXEGESIS-MEM-MAP MEM1 305418240
  16 # LLVM-EXEGESIS-MEM-MAP MEM2 610836480
  17
  18 movq %fs:0, %r13
  19 cmpq $0x12345600, %r13
  20 cmovneq %r14, %r15
  21 movq %gs:0, %r13
  22 cmpq $0x2468ac00, %r13
  23 cmovneq %r14, %r15
  24
  25 movq $60, %rax
  26 movq %r15, %rdi
  27 syscall
  28
  29 # CHECK-NOT: error:           'Child benchmarking process exited with non-zero exit code: Child process returned with unknown exit code'