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1# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py2# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -timeline -timeline-max-iterations=1 -bottleneck-analysis < %s | FileCheck %s3 4add %eax, %ebx5add %ebx, %ecx6add %ecx, %edx7add %edx, %eax8 9# CHECK: Iterations: 10010# CHECK-NEXT: Instructions: 40011# CHECK-NEXT: Total Cycles: 40312# CHECK-NEXT: Total uOps: 40013 14# CHECK: Dispatch Width: 215# CHECK-NEXT: uOps Per Cycle: 0.9916# CHECK-NEXT: IPC: 0.9917# CHECK-NEXT: Block RThroughput: 2.018 19# CHECK: Cycles with backend pressure increase [ 94.04% ]20# CHECK-NEXT: Throughput Bottlenecks:21# CHECK-NEXT: Resource Pressure [ 0.00% ]22# CHECK-NEXT: Data Dependencies: [ 94.04% ]23# CHECK-NEXT: - Register Dependencies [ 94.04% ]24# CHECK-NEXT: - Memory Dependencies [ 0.00% ]25 26# CHECK: Critical sequence based on the simulation:27 28# CHECK: Instruction Dependency Information29# CHECK-NEXT: +----< 3. addl %edx, %eax30# CHECK-NEXT: |31# CHECK-NEXT: | < loop carried >32# CHECK-NEXT: |33# CHECK-NEXT: +----> 0. addl %eax, %ebx ## REGISTER dependency: %eax34# CHECK-NEXT: +----> 1. addl %ebx, %ecx ## REGISTER dependency: %ebx35# CHECK-NEXT: +----> 2. addl %ecx, %edx ## REGISTER dependency: %ecx36# CHECK-NEXT: +----> 3. addl %edx, %eax ## REGISTER dependency: %edx37# CHECK-NEXT: |38# CHECK-NEXT: | < loop carried >39# CHECK-NEXT: |40# CHECK-NEXT: +----> 0. addl %eax, %ebx ## REGISTER dependency: %eax41 42# CHECK: Instruction Info:43# CHECK-NEXT: [1]: #uOps44# CHECK-NEXT: [2]: Latency45# CHECK-NEXT: [3]: RThroughput46# CHECK-NEXT: [4]: MayLoad47# CHECK-NEXT: [5]: MayStore48# CHECK-NEXT: [6]: HasSideEffects (U)49 50# CHECK: [1] [2] [3] [4] [5] [6] Instructions:51# CHECK-NEXT: 1 1 0.50 addl %eax, %ebx52# CHECK-NEXT: 1 1 0.50 addl %ebx, %ecx53# CHECK-NEXT: 1 1 0.50 addl %ecx, %edx54# CHECK-NEXT: 1 1 0.50 addl %edx, %eax55 56# CHECK: Resources:57# CHECK-NEXT: [0] - JALU058# CHECK-NEXT: [1] - JALU159# CHECK-NEXT: [2] - JDiv60# CHECK-NEXT: [3] - JFPA61# CHECK-NEXT: [4] - JFPM62# CHECK-NEXT: [5] - JFPU063# CHECK-NEXT: [6] - JFPU164# CHECK-NEXT: [7] - JLAGU65# CHECK-NEXT: [8] - JMul66# CHECK-NEXT: [9] - JSAGU67# CHECK-NEXT: [10] - JSTC68# CHECK-NEXT: [11] - JVALU069# CHECK-NEXT: [12] - JVALU170# CHECK-NEXT: [13] - JVIMUL71 72# CHECK: Resource pressure per iteration:73# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13]74# CHECK-NEXT: 2.00 2.00 - - - - - - - - - - - -75 76# CHECK: Resource pressure by instruction:77# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] Instructions:78# CHECK-NEXT: - 1.00 - - - - - - - - - - - - addl %eax, %ebx79# CHECK-NEXT: 1.00 - - - - - - - - - - - - - addl %ebx, %ecx80# CHECK-NEXT: - 1.00 - - - - - - - - - - - - addl %ecx, %edx81# CHECK-NEXT: 1.00 - - - - - - - - - - - - - addl %edx, %eax82 83# CHECK: Timeline view:84# CHECK-NEXT: Index 012345685 86# CHECK: [0,0] DeER .. addl %eax, %ebx87# CHECK-NEXT: [0,1] D=eER.. addl %ebx, %ecx88# CHECK-NEXT: [0,2] .D=eER. addl %ecx, %edx89# CHECK-NEXT: [0,3] .D==eER addl %edx, %eax90 91# CHECK: Average Wait times (based on the timeline view):92# CHECK-NEXT: [0]: Executions93# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue94# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready95# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage96 97# CHECK: [0] [1] [2] [3]98# CHECK-NEXT: 0. 1 1.0 1.0 0.0 addl %eax, %ebx99# CHECK-NEXT: 1. 1 2.0 0.0 0.0 addl %ebx, %ecx100# CHECK-NEXT: 2. 1 2.0 0.0 0.0 addl %ecx, %edx101# CHECK-NEXT: 3. 1 3.0 0.0 0.0 addl %edx, %eax102# CHECK-NEXT: 1 2.0 0.3 0.0 <total>103