1# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py 2# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=bdver2 -timeline -timeline-max-iterations=3 -iterations=1500 < %s | FileCheck %s 3 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 flags 7# without having to read the inputs. 8 9cmp %eax, %eax 10cmovae %ebx, %eax 11 12# CHECK: Iterations: 1500 13# CHECK-NEXT: Instructions: 3000 14# CHECK-NEXT: Total Cycles: 2253 15# CHECK-NEXT: Total uOps: 3000 16 17# CHECK: Dispatch Width: 4 18# CHECK-NEXT: uOps Per Cycle: 1.33 19# CHECK-NEXT: IPC: 1.33 20# CHECK-NEXT: Block RThroughput: 1.5 21 22# CHECK: Instruction Info: 23# CHECK-NEXT: [1]: #uOps 24# CHECK-NEXT: [2]: Latency 25# CHECK-NEXT: [3]: RThroughput 26# CHECK-NEXT: [4]: MayLoad 27# CHECK-NEXT: [5]: MayStore 28# CHECK-NEXT: [6]: HasSideEffects (U) 29 30# CHECK: [1] [2] [3] [4] [5] [6] Instructions: 31# CHECK-NEXT: 1 1 1.00 cmpl %eax, %eax 32# CHECK-NEXT: 1 1 0.50 cmovael %ebx, %eax 33 34# CHECK: Resources: 35# CHECK-NEXT: [0.0] - PdAGLU01 36# CHECK-NEXT: [0.1] - PdAGLU01 37# CHECK-NEXT: [1] - PdBranch 38# CHECK-NEXT: [2] - PdCount 39# CHECK-NEXT: [3] - PdDiv 40# CHECK-NEXT: [4] - PdEX0 41# CHECK-NEXT: [5] - PdEX1 42# CHECK-NEXT: [6] - PdFPCVT 43# CHECK-NEXT: [7.0] - PdFPFMA 44# CHECK-NEXT: [7.1] - PdFPFMA 45# CHECK-NEXT: [8.0] - PdFPMAL 46# CHECK-NEXT: [8.1] - PdFPMAL 47# CHECK-NEXT: [9] - PdFPMMA 48# CHECK-NEXT: [10] - PdFPSTO 49# CHECK-NEXT: [11] - PdFPU0 50# CHECK-NEXT: [12] - PdFPU1 51# CHECK-NEXT: [13] - PdFPU2 52# CHECK-NEXT: [14] - PdFPU3 53# CHECK-NEXT: [15] - PdFPXBR 54# CHECK-NEXT: [16.0] - PdLoad 55# CHECK-NEXT: [16.1] - PdLoad 56# CHECK-NEXT: [17] - PdMul 57# CHECK-NEXT: [18] - PdStore 58 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, %eax 66# CHECK-NEXT: - - - - - 0.50 0.50 - - - - - - - - - - - - - - - - cmovael %ebx, %eax 67 68# CHECK: Timeline view: 69# CHECK-NEXT: Index 01234567 70 71# CHECK: [0,0] DeER . . cmpl %eax, %eax 72# CHECK-NEXT: [0,1] D==eER . cmovael %ebx, %eax 73# CHECK-NEXT: [1,0] DeE--R . cmpl %eax, %eax 74# CHECK-NEXT: [1,1] D===eER. cmovael %ebx, %eax 75# CHECK-NEXT: [2,0] .D=eE-R. cmpl %eax, %eax 76# CHECK-NEXT: [2,1] .D===eER cmovael %ebx, %eax 77 78# CHECK: Average Wait times (based on the timeline view): 79# CHECK-NEXT: [0]: Executions 80# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue 81# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready 82# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage 83 84# CHECK: [0] [1] [2] [3] 85# CHECK-NEXT: 0. 3 1.3 1.3 1.0 cmpl %eax, %eax 86# CHECK-NEXT: 1. 3 3.7 0.3 0.0 cmovael %ebx, %eax 87# CHECK-NEXT: 3 2.5 0.8 0.5 <total> 88