# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -iterations=3 -timeline -register-file-stats < %s | FileCheck %s xor %eax, %eax mov %eax, %ebx mov %ebx, %ecx mov %ecx, %edx mov %edx, %eax # CHECK: Iterations: 3 # CHECK-NEXT: Instructions: 15 # CHECK-NEXT: Total Cycles: 9 # CHECK-NEXT: Total uOps: 15 # CHECK: Dispatch Width: 2 # CHECK-NEXT: uOps Per Cycle: 1.67 # CHECK-NEXT: IPC: 1.67 # CHECK-NEXT: Block RThroughput: 2.5 # 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 0 0.50 xorl %eax, %eax # CHECK-NEXT: 1 1 0.50 movl %eax, %ebx # CHECK-NEXT: 1 1 0.50 movl %ebx, %ecx # CHECK-NEXT: 1 1 0.50 movl %ecx, %edx # CHECK-NEXT: 1 1 0.50 movl %edx, %eax # CHECK: Register File statistics: # CHECK-NEXT: Total number of mappings created: 0 # CHECK-NEXT: Max number of mappings used: 0 # CHECK: * Register File #1 -- JFpuPRF: # CHECK-NEXT: Number of physical registers: 72 # CHECK-NEXT: Total number of mappings created: 0 # CHECK-NEXT: Max number of mappings used: 0 # CHECK: * Register File #2 -- JIntegerPRF: # CHECK-NEXT: Number of physical registers: 64 # CHECK-NEXT: Total number of mappings created: 0 # CHECK-NEXT: Max number of mappings used: 0 # CHECK-NEXT: Number of optimizable moves: 12 # CHECK-NEXT: Number of moves eliminated: 12 (100.0%) # CHECK-NEXT: Number of zero moves: 12 (100.0%) # CHECK-NEXT: Max moves eliminated per cycle: 2 # CHECK: Resources: # CHECK-NEXT: [0] - JALU0 # CHECK-NEXT: [1] - JALU1 # CHECK-NEXT: [2] - JDiv # CHECK-NEXT: [3] - JFPA # CHECK-NEXT: [4] - JFPM # CHECK-NEXT: [5] - JFPU0 # CHECK-NEXT: [6] - JFPU1 # CHECK-NEXT: [7] - JLAGU # CHECK-NEXT: [8] - JMul # CHECK-NEXT: [9] - JSAGU # CHECK-NEXT: [10] - JSTC # CHECK-NEXT: [11] - JVALU0 # CHECK-NEXT: [12] - JVALU1 # CHECK-NEXT: [13] - JVIMUL # CHECK: Resource pressure per iteration: # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] # CHECK-NEXT: - - - - - - - - - - - - - - # CHECK: Resource pressure by instruction: # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] Instructions: # CHECK-NEXT: - - - - - - - - - - - - - - xorl %eax, %eax # CHECK-NEXT: - - - - - - - - - - - - - - movl %eax, %ebx # CHECK-NEXT: - - - - - - - - - - - - - - movl %ebx, %ecx # CHECK-NEXT: - - - - - - - - - - - - - - movl %ecx, %edx # CHECK-NEXT: - - - - - - - - - - - - - - movl %edx, %eax # CHECK: Timeline view: # CHECK-NEXT: Index 012345678 # CHECK: [0,0] DR . . xorl %eax, %eax # CHECK-NEXT: [0,1] DR . . movl %eax, %ebx # CHECK-NEXT: [0,2] .DR . . movl %ebx, %ecx # CHECK-NEXT: [0,3] .DR . . movl %ecx, %edx # CHECK-NEXT: [0,4] . DR . . movl %edx, %eax # CHECK-NEXT: [1,0] . DR . . xorl %eax, %eax # CHECK-NEXT: [1,1] . DR. . movl %eax, %ebx # CHECK-NEXT: [1,2] . DR. . movl %ebx, %ecx # CHECK-NEXT: [1,3] . DR . movl %ecx, %edx # CHECK-NEXT: [1,4] . DR . movl %edx, %eax # CHECK-NEXT: [2,0] . DR . xorl %eax, %eax # CHECK-NEXT: [2,1] . DR . movl %eax, %ebx # CHECK-NEXT: [2,2] . .DR. movl %ebx, %ecx # CHECK-NEXT: [2,3] . .DR. movl %ecx, %edx # CHECK-NEXT: [2,4] . . DR movl %edx, %eax # CHECK: Average Wait times (based on the timeline view): # CHECK-NEXT: [0]: Executions # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage # CHECK: [0] [1] [2] [3] # CHECK-NEXT: 0. 3 0.0 0.0 0.0 xorl %eax, %eax # CHECK-NEXT: 1. 3 0.0 0.0 0.0 movl %eax, %ebx # CHECK-NEXT: 2. 3 0.0 0.0 0.0 movl %ebx, %ecx # CHECK-NEXT: 3. 3 0.0 0.0 0.0 movl %ecx, %edx # CHECK-NEXT: 4. 3 0.0 0.0 0.0 movl %edx, %eax # CHECK-NEXT: 3 0.0 0.0 0.0