106 lines · plain
1# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py2# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=znver3 -iterations=1500 -timeline -timeline-max-iterations=7 < %s | FileCheck %s3 4# The lzcnt cannot execute in parallel with the imul because there is a false5# dependency on %bx.6 7imul %ax, %bx8lzcnt %ax, %bx9add %cx, %bx10 11# CHECK: Iterations: 150012# CHECK-NEXT: Instructions: 450013# CHECK-NEXT: Total Cycles: 750314# CHECK-NEXT: Total uOps: 450015 16# CHECK: Dispatch Width: 617# CHECK-NEXT: uOps Per Cycle: 0.6018# CHECK-NEXT: IPC: 0.6019# CHECK-NEXT: Block RThroughput: 1.320 21# CHECK: Instruction Info:22# CHECK-NEXT: [1]: #uOps23# CHECK-NEXT: [2]: Latency24# CHECK-NEXT: [3]: RThroughput25# CHECK-NEXT: [4]: MayLoad26# CHECK-NEXT: [5]: MayStore27# CHECK-NEXT: [6]: HasSideEffects (U)28 29# CHECK: [1] [2] [3] [4] [5] [6] Instructions:30# CHECK-NEXT: 1 3 1.00 imulw %ax, %bx31# CHECK-NEXT: 1 1 1.00 lzcntw %ax, %bx32# CHECK-NEXT: 1 1 0.25 addw %cx, %bx33 34# CHECK: Resources:35# CHECK-NEXT: [0] - Zn3AGU036# CHECK-NEXT: [1] - Zn3AGU137# CHECK-NEXT: [2] - Zn3AGU238# CHECK-NEXT: [3] - Zn3ALU039# CHECK-NEXT: [4] - Zn3ALU140# CHECK-NEXT: [5] - Zn3ALU241# CHECK-NEXT: [6] - Zn3ALU342# CHECK-NEXT: [7] - Zn3BRU143# CHECK-NEXT: [8] - Zn3FP044# CHECK-NEXT: [9] - Zn3FP145# CHECK-NEXT: [10] - Zn3FP246# CHECK-NEXT: [11] - Zn3FP347# CHECK-NEXT: [12.0] - Zn3FP4548# CHECK-NEXT: [12.1] - Zn3FP4549# CHECK-NEXT: [13] - Zn3FPSt50# CHECK-NEXT: [14.0] - Zn3LSU51# CHECK-NEXT: [14.1] - Zn3LSU52# CHECK-NEXT: [14.2] - Zn3LSU53# CHECK-NEXT: [15.0] - Zn3Load54# CHECK-NEXT: [15.1] - Zn3Load55# CHECK-NEXT: [15.2] - Zn3Load56# CHECK-NEXT: [16.0] - Zn3Store57# CHECK-NEXT: [16.1] - Zn3Store58 59# CHECK: Resource pressure per iteration:60# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12.0] [12.1] [13] [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1]61# CHECK-NEXT: - - - 1.67 1.00 1.67 1.67 - - - - - - - - - - - - - - - -62 63# CHECK: Resource pressure by instruction:64# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12.0] [12.1] [13] [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1] Instructions:65# CHECK-NEXT: - - - - 1.00 - - - - - - - - - - - - - - - - - - imulw %ax, %bx66# CHECK-NEXT: - - - 1.33 - 1.33 1.33 - - - - - - - - - - - - - - - - lzcntw %ax, %bx67# CHECK-NEXT: - - - 0.33 - 0.33 0.33 - - - - - - - - - - - - - - - - addw %cx, %bx68 69# CHECK: Timeline view:70# CHECK-NEXT: 0123456789 0123456771# CHECK-NEXT: Index 0123456789 012345678972 73# CHECK: [0,0] DeeeER . . . . . . . imulw %ax, %bx74# CHECK-NEXT: [0,1] D===eER . . . . . . . lzcntw %ax, %bx75# CHECK-NEXT: [0,2] D====eER . . . . . . . addw %cx, %bx76# CHECK-NEXT: [1,0] D=====eeeER . . . . . . imulw %ax, %bx77# CHECK-NEXT: [1,1] D========eER . . . . . . lzcntw %ax, %bx78# CHECK-NEXT: [1,2] D=========eER . . . . . . addw %cx, %bx79# CHECK-NEXT: [2,0] .D=========eeeER . . . . . imulw %ax, %bx80# CHECK-NEXT: [2,1] .D============eER . . . . . lzcntw %ax, %bx81# CHECK-NEXT: [2,2] .D=============eER . . . . . addw %cx, %bx82# CHECK-NEXT: [3,0] .D==============eeeER . . . . imulw %ax, %bx83# CHECK-NEXT: [3,1] .D=================eER . . . . lzcntw %ax, %bx84# CHECK-NEXT: [3,2] .D==================eER . . . . addw %cx, %bx85# CHECK-NEXT: [4,0] . D==================eeeER . . . imulw %ax, %bx86# CHECK-NEXT: [4,1] . D=====================eER . . . lzcntw %ax, %bx87# CHECK-NEXT: [4,2] . D======================eER . . . addw %cx, %bx88# CHECK-NEXT: [5,0] . D=======================eeeER . . imulw %ax, %bx89# CHECK-NEXT: [5,1] . D==========================eER . . lzcntw %ax, %bx90# CHECK-NEXT: [5,2] . D===========================eER . . addw %cx, %bx91# CHECK-NEXT: [6,0] . D===========================eeeER . imulw %ax, %bx92# CHECK-NEXT: [6,1] . D==============================eER. lzcntw %ax, %bx93# CHECK-NEXT: [6,2] . D===============================eER addw %cx, %bx94 95# CHECK: Average Wait times (based on the timeline view):96# CHECK-NEXT: [0]: Executions97# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue98# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready99# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage100 101# CHECK: [0] [1] [2] [3]102# CHECK-NEXT: 0. 7 14.7 0.1 0.0 imulw %ax, %bx103# CHECK-NEXT: 1. 7 17.7 0.0 0.0 lzcntw %ax, %bx104# CHECK-NEXT: 2. 7 18.7 0.0 0.0 addw %cx, %bx105# CHECK-NEXT: 7 17.0 0.0 0.0 <total>106