# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -all-views < %s | FileCheck %s -check-prefixes=ALL,FULLREPORT # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -all-views -resource-pressure < %s | FileCheck %s -check-prefixes=ALL,FULLREPORT # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -resource-pressure -all-views < %s | FileCheck %s -check-prefixes=ALL,FULLREPORT # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -resource-pressure=false -all-views < %s | FileCheck %s -check-prefixes=ALL,FULLREPORT # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -all-views -resource-pressure=false < %s | FileCheck %s -check-prefix=ALL add %eax, %eax # ALL: Iterations: 100 # ALL-NEXT: Instructions: 100 # ALL-NEXT: Total Cycles: 103 # ALL-NEXT: Total uOps: 100 # ALL: Dispatch Width: 2 # ALL-NEXT: uOps Per Cycle: 0.97 # ALL-NEXT: IPC: 0.97 # ALL-NEXT: Block RThroughput: 0.5 # ALL: Cycles with backend pressure increase [ 76.70% ] # ALL-NEXT: Throughput Bottlenecks: # ALL-NEXT: Resource Pressure [ 0.00% ] # ALL-NEXT: Data Dependencies: [ 76.70% ] # ALL-NEXT: - Register Dependencies [ 76.70% ] # ALL-NEXT: - Memory Dependencies [ 0.00% ] # ALL: Critical sequence based on the simulation: # ALL: Instruction Dependency Information # ALL-NEXT: +----< 0. addl %eax, %eax # ALL-NEXT: | # ALL-NEXT: | < loop carried > # ALL-NEXT: | # ALL-NEXT: +----> 0. addl %eax, %eax ## REGISTER dependency: %eax # ALL-NEXT: | # ALL-NEXT: | < loop carried > # ALL-NEXT: | # ALL-NEXT: +----> 0. addl %eax, %eax ## REGISTER dependency: %eax # ALL: Instruction Info: # ALL-NEXT: [1]: #uOps # ALL-NEXT: [2]: Latency # ALL-NEXT: [3]: RThroughput # ALL-NEXT: [4]: MayLoad # ALL-NEXT: [5]: MayStore # ALL-NEXT: [6]: HasSideEffects (U) # ALL: [1] [2] [3] [4] [5] [6] Instructions: # ALL-NEXT: 1 1 0.50 addl %eax, %eax # ALL: Dynamic Dispatch Stall Cycles: # ALL-NEXT: RAT - Register unavailable: 0 # ALL-NEXT: RCU - Retire tokens unavailable: 0 # ALL-NEXT: SCHEDQ - Scheduler full: 61 (59.2%) # ALL-NEXT: LQ - Load queue full: 0 # ALL-NEXT: SQ - Store queue full: 0 # ALL-NEXT: GROUP - Static restrictions on the dispatch group: 0 # ALL: Dispatch Logic - number of cycles where we saw N micro opcodes dispatched: # ALL-NEXT: [# dispatched], [# cycles] # ALL-NEXT: 0, 22 (21.4%) # ALL-NEXT: 1, 62 (60.2%) # ALL-NEXT: 2, 19 (18.4%) # ALL: Schedulers - number of cycles where we saw N micro opcodes issued: # ALL-NEXT: [# issued], [# cycles] # ALL-NEXT: 0, 3 (2.9%) # ALL-NEXT: 1, 100 (97.1%) # ALL: Scheduler's queue usage: # ALL-NEXT: [1] Resource name. # ALL-NEXT: [2] Average number of used buffer entries. # ALL-NEXT: [3] Maximum number of used buffer entries. # ALL-NEXT: [4] Total number of buffer entries. # ALL: [1] [2] [3] [4] # ALL-NEXT: JALU01 15 20 20 # ALL-NEXT: JFPU01 0 0 18 # ALL-NEXT: JLSAGU 0 0 12 # ALL: Retire Control Unit - number of cycles where we saw N instructions retired: # ALL-NEXT: [# retired], [# cycles] # ALL-NEXT: 0, 3 (2.9%) # ALL-NEXT: 1, 100 (97.1%) # ALL: Total ROB Entries: 64 # ALL-NEXT: Max Used ROB Entries: 22 ( 34.4% ) # ALL-NEXT: Average Used ROB Entries per cy: 17 ( 26.6% ) # ALL: Register File statistics: # ALL-NEXT: Total number of mappings created: 200 # ALL-NEXT: Max number of mappings used: 44 # ALL: * Register File #1 -- JFpuPRF: # ALL-NEXT: Number of physical registers: 72 # ALL-NEXT: Total number of mappings created: 0 # ALL-NEXT: Max number of mappings used: 0 # ALL: * Register File #2 -- JIntegerPRF: # ALL-NEXT: Number of physical registers: 64 # ALL-NEXT: Total number of mappings created: 200 # ALL-NEXT: Max number of mappings used: 44 # FULLREPORT: Resources: # FULLREPORT-NEXT: [0] - JALU0 # FULLREPORT-NEXT: [1] - JALU1 # FULLREPORT-NEXT: [2] - JDiv # FULLREPORT-NEXT: [3] - JFPA # FULLREPORT-NEXT: [4] - JFPM # FULLREPORT-NEXT: [5] - JFPU0 # FULLREPORT-NEXT: [6] - JFPU1 # FULLREPORT-NEXT: [7] - JLAGU # FULLREPORT-NEXT: [8] - JMul # FULLREPORT-NEXT: [9] - JSAGU # FULLREPORT-NEXT: [10] - JSTC # FULLREPORT-NEXT: [11] - JVALU0 # FULLREPORT-NEXT: [12] - JVALU1 # FULLREPORT-NEXT: [13] - JVIMUL # FULLREPORT: Resource pressure per iteration: # FULLREPORT-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] # FULLREPORT-NEXT: 0.50 0.50 - - - - - - - - - - - - # FULLREPORT: Resource pressure by instruction: # FULLREPORT-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] Instructions: # FULLREPORT-NEXT: 0.50 0.50 - - - - - - - - - - - - addl %eax, %eax # ALL: Timeline view: # ALL-NEXT: 012 # ALL-NEXT: Index 0123456789 # ALL: [0,0] DeER . . . addl %eax, %eax # ALL-NEXT: [1,0] D=eER. . . addl %eax, %eax # ALL-NEXT: [2,0] .D=eER . . addl %eax, %eax # ALL-NEXT: [3,0] .D==eER . . addl %eax, %eax # ALL-NEXT: [4,0] . D==eER . . addl %eax, %eax # ALL-NEXT: [5,0] . D===eER . . addl %eax, %eax # ALL-NEXT: [6,0] . D===eER. . addl %eax, %eax # ALL-NEXT: [7,0] . D====eER . addl %eax, %eax # ALL-NEXT: [8,0] . D====eER. addl %eax, %eax # ALL-NEXT: [9,0] . D=====eER addl %eax, %eax # ALL: Average Wait times (based on the timeline view): # ALL-NEXT: [0]: Executions # ALL-NEXT: [1]: Average time spent waiting in a scheduler's queue # ALL-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready # ALL-NEXT: [3]: Average time elapsed from WB until retire stage # ALL: [0] [1] [2] [3] # ALL-NEXT: 0. 10 3.5 0.1 0.0 addl %eax, %eax