| # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py |
| # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -timeline -timeline-max-iterations=1 -bottleneck-analysis < %s | FileCheck %s |
| |
| add %eax, %ebx |
| add %ebx, %ecx |
| add %ecx, %edx |
| add %edx, %eax |
| |
| # CHECK: Iterations: 100 |
| # CHECK-NEXT: Instructions: 400 |
| # CHECK-NEXT: Total Cycles: 403 |
| # CHECK-NEXT: Total uOps: 400 |
| |
| # CHECK: Dispatch Width: 2 |
| # CHECK-NEXT: uOps Per Cycle: 0.99 |
| # CHECK-NEXT: IPC: 0.99 |
| # CHECK-NEXT: Block RThroughput: 2.0 |
| |
| # CHECK: Cycles with backend pressure increase [ 94.04% ] |
| # CHECK-NEXT: Throughput Bottlenecks: |
| # CHECK-NEXT: Resource Pressure [ 0.00% ] |
| # CHECK-NEXT: Data Dependencies: [ 94.04% ] |
| # CHECK-NEXT: - Register Dependencies [ 94.04% ] |
| # CHECK-NEXT: - Memory Dependencies [ 0.00% ] |
| |
| # CHECK: Critical sequence based on the simulation: |
| |
| # CHECK: Instruction Dependency Information |
| # CHECK-NEXT: +----< 3. addl %edx, %eax |
| # CHECK-NEXT: | |
| # CHECK-NEXT: | < loop carried > |
| # CHECK-NEXT: | |
| # CHECK-NEXT: +----> 0. addl %eax, %ebx ## REGISTER dependency: %eax |
| # CHECK-NEXT: +----> 1. addl %ebx, %ecx ## REGISTER dependency: %ebx |
| # CHECK-NEXT: +----> 2. addl %ecx, %edx ## REGISTER dependency: %ecx |
| # CHECK-NEXT: +----> 3. addl %edx, %eax ## REGISTER dependency: %edx |
| # CHECK-NEXT: | |
| # CHECK-NEXT: | < loop carried > |
| # CHECK-NEXT: | |
| # CHECK-NEXT: +----> 0. addl %eax, %ebx ## REGISTER dependency: %eax |
| |
| # 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 1 0.50 addl %eax, %ebx |
| # CHECK-NEXT: 1 1 0.50 addl %ebx, %ecx |
| # CHECK-NEXT: 1 1 0.50 addl %ecx, %edx |
| # CHECK-NEXT: 1 1 0.50 addl %edx, %eax |
| |
| # 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: 2.00 2.00 - - - - - - - - - - - - |
| |
| # CHECK: Resource pressure by instruction: |
| # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] Instructions: |
| # CHECK-NEXT: - 1.00 - - - - - - - - - - - - addl %eax, %ebx |
| # CHECK-NEXT: 1.00 - - - - - - - - - - - - - addl %ebx, %ecx |
| # CHECK-NEXT: - 1.00 - - - - - - - - - - - - addl %ecx, %edx |
| # CHECK-NEXT: 1.00 - - - - - - - - - - - - - addl %edx, %eax |
| |
| # CHECK: Timeline view: |
| # CHECK-NEXT: Index 0123456 |
| |
| # CHECK: [0,0] DeER .. addl %eax, %ebx |
| # CHECK-NEXT: [0,1] D=eER.. addl %ebx, %ecx |
| # CHECK-NEXT: [0,2] .D=eER. addl %ecx, %edx |
| # CHECK-NEXT: [0,3] .D==eER addl %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. 1 1.0 1.0 0.0 addl %eax, %ebx |
| # CHECK-NEXT: 1. 1 2.0 0.0 0.0 addl %ebx, %ecx |
| # CHECK-NEXT: 2. 1 2.0 0.0 0.0 addl %ecx, %edx |
| # CHECK-NEXT: 3. 1 3.0 0.0 0.0 addl %edx, %eax |
| # CHECK-NEXT: 1 2.0 0.3 0.0 <total> |
