# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=skylake -timeline -iterations=1 < %s | FileCheck %s
# PR51495: WriteIMulH reports an incorrect latency for the RM variants of MULX.
# LLVM-MCA-BEGIN
mulxl (%rdi), %eax, %ecx
add %eax, %eax
# LLVM-MCA-END
# LLVM-MCA-BEGIN
mulxq (%rdi), %rax, %rcx
add %rax, %rax
# LLVM-MCA-END
# CHECK: [0] Code Region
# CHECK: Iterations: 1
# CHECK-NEXT: Instructions: 2
# CHECK-NEXT: Total Cycles: 12
# CHECK-NEXT: Total uOps: 6
# CHECK: Dispatch Width: 6
# CHECK-NEXT: uOps Per Cycle: 0.50
# CHECK-NEXT: IPC: 0.17
# CHECK-NEXT: Block RThroughput: 1.0
# CHECK: Instruction Info:
# CHECK-NEXT: [1]: #uOps
# CHECK-NEXT: [2]: Latency
# CHECK-NEXT: [3]: RThroughput
# CHECK-NEXT: [4]: MayLoad
# CHECK-NEXT: [5]: MayStore
# CHECK-NEXT: [6]: HasSideEffects (U)
# CHECK: [1] [2] [3] [4] [5] [6] Instructions:
# CHECK-NEXT: 5 9 1.00 * mulxl (%rdi), %eax, %ecx
# CHECK-NEXT: 1 1 0.25 addl %eax, %eax
# CHECK: Resources:
# CHECK-NEXT: [0] - SKLDivider
# CHECK-NEXT: [1] - SKLFPDivider
# CHECK-NEXT: [2] - SKLPort0
# CHECK-NEXT: [3] - SKLPort1
# CHECK-NEXT: [4] - SKLPort2
# CHECK-NEXT: [5] - SKLPort3
# CHECK-NEXT: [6] - SKLPort4
# CHECK-NEXT: [7] - SKLPort5
# CHECK-NEXT: [8] - SKLPort6
# CHECK-NEXT: [9] - SKLPort7
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
# CHECK-NEXT: - - 1.00 1.00 - 1.00 - 1.00 1.00 -
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
# CHECK-NEXT: - - - 1.00 - 1.00 - 1.00 1.00 - mulxl (%rdi), %eax, %ecx
# CHECK-NEXT: - - 1.00 - - - - - - - addl %eax, %eax
# CHECK: Timeline view:
# CHECK-NEXT: 01
# CHECK-NEXT: Index 0123456789
# CHECK: [0,0] DeeeeeeeeeER mulxl (%rdi), %eax, %ecx
# CHECK-NEXT: [0,1] D========eER addl %eax, %eax
# CHECK: Average Wait times (based on the timeline view):
# CHECK-NEXT: [0]: Executions
# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
# CHECK: [0] [1] [2] [3]
# CHECK-NEXT: 0. 1 1.0 1.0 0.0 mulxl (%rdi), %eax, %ecx
# CHECK-NEXT: 1. 1 9.0 0.0 0.0 addl %eax, %eax
# CHECK-NEXT: 1 5.0 0.5 0.0 <total>
# CHECK: [1] Code Region
# CHECK: Iterations: 1
# CHECK-NEXT: Instructions: 2
# CHECK-NEXT: Total Cycles: 12
# CHECK-NEXT: Total uOps: 5
# CHECK: Dispatch Width: 6
# CHECK-NEXT: uOps Per Cycle: 0.42
# CHECK-NEXT: IPC: 0.17
# CHECK-NEXT: Block RThroughput: 1.0
# CHECK: Instruction Info:
# CHECK-NEXT: [1]: #uOps
# CHECK-NEXT: [2]: Latency
# CHECK-NEXT: [3]: RThroughput
# CHECK-NEXT: [4]: MayLoad
# CHECK-NEXT: [5]: MayStore
# CHECK-NEXT: [6]: HasSideEffects (U)
# CHECK: [1] [2] [3] [4] [5] [6] Instructions:
# CHECK-NEXT: 4 9 1.00 * mulxq (%rdi), %rax, %rcx
# CHECK-NEXT: 1 1 0.25 addq %rax, %rax
# CHECK: Resources:
# CHECK-NEXT: [0] - SKLDivider
# CHECK-NEXT: [1] - SKLFPDivider
# CHECK-NEXT: [2] - SKLPort0
# CHECK-NEXT: [3] - SKLPort1
# CHECK-NEXT: [4] - SKLPort2
# CHECK-NEXT: [5] - SKLPort3
# CHECK-NEXT: [6] - SKLPort4
# CHECK-NEXT: [7] - SKLPort5
# CHECK-NEXT: [8] - SKLPort6
# CHECK-NEXT: [9] - SKLPort7
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
# CHECK-NEXT: - - - 1.00 - 1.00 - 1.00 1.00 -
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
# CHECK-NEXT: - - - 1.00 - 1.00 - 1.00 - - mulxq (%rdi), %rax, %rcx
# CHECK-NEXT: - - - - - - - - 1.00 - addq %rax, %rax
# CHECK: Timeline view:
# CHECK-NEXT: 01
# CHECK-NEXT: Index 0123456789
# CHECK: [0,0] DeeeeeeeeeER mulxq (%rdi), %rax, %rcx
# CHECK-NEXT: [0,1] D========eER addq %rax, %rax
# CHECK: Average Wait times (based on the timeline view):
# CHECK-NEXT: [0]: Executions
# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
# CHECK: [0] [1] [2] [3]
# CHECK-NEXT: 0. 1 1.0 1.0 0.0 mulxq (%rdi), %rax, %rcx
# CHECK-NEXT: 1. 1 9.0 0.0 0.0 addq %rax, %rax
# CHECK-NEXT: 1 5.0 0.5 0.0 <total>
Codebase Browser
llvm