llvm/llvm/test/tools/llvm-mca/X86/Atom/resources-cmpxchg.s

# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=atom -instruction-tables < %s | FileCheck %s

cmpxchg8b  (%rax)
cmpxchg16b (%rax)
lock cmpxchg8b  (%rax)
lock cmpxchg16b (%rax)

# CHECK:      Instruction Info:
# CHECK-NEXT: [1]: #uOps
# CHECK-NEXT: [2]: Latency
# CHECK-NEXT: [3]: RThroughput
# CHECK-NEXT: [4]: MayLoad
# CHECK-NEXT: [5]: MayStore
# CHECK-NEXT: [6]: HasSideEffects (U)

# CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
# CHECK-NEXT:  1      18    9.00    *      *            cmpxchg8b	(%rax)
# CHECK-NEXT:  1      22    11.00   *      *            cmpxchg16b	(%rax)
# CHECK-NEXT:  1      18    9.00    *      *            lock		cmpxchg8b	(%rax)
# CHECK-NEXT:  1      22    11.00   *      *            lock		cmpxchg16b	(%rax)

# CHECK:      Resources:
# CHECK-NEXT: [0]   - AtomPort0
# CHECK-NEXT: [1]   - AtomPort1

# CHECK:      Resource pressure per iteration:
# CHECK-NEXT: [0]    [1]
# CHECK-NEXT: 40.00  40.00

# CHECK:      Resource pressure by instruction:
# CHECK-NEXT: [0]    [1]    Instructions:
# CHECK-NEXT: 9.00   9.00   cmpxchg8b	(%rax)
# CHECK-NEXT: 11.00  11.00  cmpxchg16b	(%rax)
# CHECK-NEXT: 9.00   9.00   lock		cmpxchg8b	(%rax)
# CHECK-NEXT: 11.00  11.00  lock		cmpxchg16b	(%rax)