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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=bdver2 -timeline -timeline-max-iterations=3 -iterations=1500 < %s | FileCheck %s3 4# Perf stat reports an IPC of 1.97 for this block of code.5 6# The CMP instruction doesn't depend on the value of EAX. It can set the flags7# without having to read the inputs.8 9cmp %eax, %eax10cmovae %ebx, %eax11 12# CHECK: Iterations: 150013# CHECK-NEXT: Instructions: 300014# CHECK-NEXT: Total Cycles: 225315# CHECK-NEXT: Total uOps: 300016 17# CHECK: Dispatch Width: 418# CHECK-NEXT: uOps Per Cycle: 1.3319# CHECK-NEXT: IPC: 1.3320# CHECK-NEXT: Block RThroughput: 1.521 22# CHECK: Instruction Info:23# CHECK-NEXT: [1]: #uOps24# CHECK-NEXT: [2]: Latency25# CHECK-NEXT: [3]: RThroughput26# CHECK-NEXT: [4]: MayLoad27# CHECK-NEXT: [5]: MayStore28# CHECK-NEXT: [6]: HasSideEffects (U)29 30# CHECK: [1] [2] [3] [4] [5] [6] Instructions:31# CHECK-NEXT: 1 1 1.00 cmpl %eax, %eax32# CHECK-NEXT: 1 1 0.50 cmovael %ebx, %eax33 34# CHECK: Resources:35# CHECK-NEXT: [0.0] - PdAGLU0136# CHECK-NEXT: [0.1] - PdAGLU0137# CHECK-NEXT: [1] - PdBranch38# CHECK-NEXT: [2] - PdCount39# CHECK-NEXT: [3] - PdDiv40# CHECK-NEXT: [4] - PdEX041# CHECK-NEXT: [5] - PdEX142# CHECK-NEXT: [6] - PdFPCVT43# CHECK-NEXT: [7.0] - PdFPFMA44# CHECK-NEXT: [7.1] - PdFPFMA45# CHECK-NEXT: [8.0] - PdFPMAL46# CHECK-NEXT: [8.1] - PdFPMAL47# CHECK-NEXT: [9] - PdFPMMA48# CHECK-NEXT: [10] - PdFPSTO49# CHECK-NEXT: [11] - PdFPU050# CHECK-NEXT: [12] - PdFPU151# CHECK-NEXT: [13] - PdFPU252# CHECK-NEXT: [14] - PdFPU353# CHECK-NEXT: [15] - PdFPXBR54# CHECK-NEXT: [16.0] - PdLoad55# CHECK-NEXT: [16.1] - PdLoad56# CHECK-NEXT: [17] - PdMul57# CHECK-NEXT: [18] - PdStore58 59# CHECK: Resource pressure per iteration:60# CHECK-NEXT: [0.0] [0.1] [1] [2] [3] [4] [5] [6] [7.0] [7.1] [8.0] [8.1] [9] [10] [11] [12] [13] [14] [15] [16.0] [16.1] [17] [18]61# CHECK-NEXT: - - - - - 1.50 1.50 - - - - - - - - - - - - - - - -62 63# CHECK: Resource pressure by instruction:64# CHECK-NEXT: [0.0] [0.1] [1] [2] [3] [4] [5] [6] [7.0] [7.1] [8.0] [8.1] [9] [10] [11] [12] [13] [14] [15] [16.0] [16.1] [17] [18] Instructions:65# CHECK-NEXT: - - - - - 1.00 1.00 - - - - - - - - - - - - - - - - cmpl %eax, %eax66# CHECK-NEXT: - - - - - 0.50 0.50 - - - - - - - - - - - - - - - - cmovael %ebx, %eax67 68# CHECK: Timeline view:69# CHECK-NEXT: Index 0123456770 71# CHECK: [0,0] DeER . . cmpl %eax, %eax72# CHECK-NEXT: [0,1] D==eER . cmovael %ebx, %eax73# CHECK-NEXT: [1,0] DeE--R . cmpl %eax, %eax74# CHECK-NEXT: [1,1] D===eER. cmovael %ebx, %eax75# CHECK-NEXT: [2,0] .D=eE-R. cmpl %eax, %eax76# CHECK-NEXT: [2,1] .D===eER cmovael %ebx, %eax77 78# CHECK: Average Wait times (based on the timeline view):79# CHECK-NEXT: [0]: Executions80# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue81# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready82# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage83 84# CHECK: [0] [1] [2] [3]85# CHECK-NEXT: 0. 3 1.3 1.3 1.0 cmpl %eax, %eax86# CHECK-NEXT: 1. 3 3.7 0.3 0.0 cmovael %ebx, %eax87# CHECK-NEXT: 3 2.5 0.8 0.5 <total>88