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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 a throughput of 1.51 IPC for this block of code.5 6# The SBB does not depend on the value of register EAX. That means, it doesn't7# have to wait for the IMUL to write-back on EAX. However, it still depends on8# the ADD for EFLAGS.9 10imul %edx, %eax11add %edx, %edx12sbb %eax, %eax13 14# CHECK: Iterations: 150015# CHECK-NEXT: Instructions: 450016# CHECK-NEXT: Total Cycles: 401417# CHECK-NEXT: Total uOps: 450018 19# CHECK: Dispatch Width: 420# CHECK-NEXT: uOps Per Cycle: 1.1221# CHECK-NEXT: IPC: 1.1222# CHECK-NEXT: Block RThroughput: 2.023 24# CHECK: Instruction Info:25# CHECK-NEXT: [1]: #uOps26# CHECK-NEXT: [2]: Latency27# CHECK-NEXT: [3]: RThroughput28# CHECK-NEXT: [4]: MayLoad29# CHECK-NEXT: [5]: MayStore30# CHECK-NEXT: [6]: HasSideEffects (U)31 32# CHECK: [1] [2] [3] [4] [5] [6] Instructions:33# CHECK-NEXT: 1 4 2.00 imull %edx, %eax34# CHECK-NEXT: 1 1 1.00 addl %edx, %edx35# CHECK-NEXT: 1 1 1.00 sbbl %eax, %eax36 37# CHECK: Resources:38# CHECK-NEXT: [0.0] - PdAGLU0139# CHECK-NEXT: [0.1] - PdAGLU0140# CHECK-NEXT: [1] - PdBranch41# CHECK-NEXT: [2] - PdCount42# CHECK-NEXT: [3] - PdDiv43# CHECK-NEXT: [4] - PdEX044# CHECK-NEXT: [5] - PdEX145# CHECK-NEXT: [6] - PdFPCVT46# CHECK-NEXT: [7.0] - PdFPFMA47# CHECK-NEXT: [7.1] - PdFPFMA48# CHECK-NEXT: [8.0] - PdFPMAL49# CHECK-NEXT: [8.1] - PdFPMAL50# CHECK-NEXT: [9] - PdFPMMA51# CHECK-NEXT: [10] - PdFPSTO52# CHECK-NEXT: [11] - PdFPU053# CHECK-NEXT: [12] - PdFPU154# CHECK-NEXT: [13] - PdFPU255# CHECK-NEXT: [14] - PdFPU356# CHECK-NEXT: [15] - PdFPXBR57# CHECK-NEXT: [16.0] - PdLoad58# CHECK-NEXT: [16.1] - PdLoad59# CHECK-NEXT: [17] - PdMul60# CHECK-NEXT: [18] - PdStore61 62# CHECK: Resource pressure per iteration:63# 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]64# CHECK-NEXT: - - - - - 2.66 2.34 - - - - - - - - - - - - - - 2.00 -65 66# CHECK: Resource pressure by instruction:67# 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:68# CHECK-NEXT: - - - - - - 1.00 - - - - - - - - - - - - - - 2.00 - imull %edx, %eax69# CHECK-NEXT: - - - - - 1.33 0.67 - - - - - - - - - - - - - - - - addl %edx, %edx70# CHECK-NEXT: - - - - - 1.33 0.67 - - - - - - - - - - - - - - - - sbbl %eax, %eax71 72# CHECK: Timeline view:73# CHECK-NEXT: 0123474# CHECK-NEXT: Index 012345678975 76# CHECK: [0,0] D==eeeeER . . imull %edx, %eax77# CHECK-NEXT: [0,1] DeE-----R . . addl %edx, %edx78# CHECK-NEXT: [0,2] D===eE--R . . sbbl %eax, %eax79# CHECK-NEXT: [1,0] D=====eeeeER . imull %edx, %eax80# CHECK-NEXT: [1,1] .DeE-------R . addl %edx, %edx81# CHECK-NEXT: [1,2] .D====eE---R . sbbl %eax, %eax82# CHECK-NEXT: [2,0] .D=======eeeeER imull %edx, %eax83# CHECK-NEXT: [2,1] .D==eE--------R addl %edx, %edx84# CHECK-NEXT: [2,2] . D=====eE----R sbbl %eax, %eax85 86# CHECK: Average Wait times (based on the timeline view):87# CHECK-NEXT: [0]: Executions88# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue89# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready90# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage91 92# CHECK: [0] [1] [2] [3]93# CHECK-NEXT: 0. 3 5.7 2.0 0.0 imull %edx, %eax94# CHECK-NEXT: 1. 3 1.7 0.7 6.7 addl %edx, %edx95# CHECK-NEXT: 2. 3 5.0 2.7 3.0 sbbl %eax, %eax96# CHECK-NEXT: 3 4.1 1.8 3.2 <total>97