| # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -skip-unsupported-instructions=any -timeline %s 2>&1 | FileCheck --check-prefix=CHECK-SKIP %s |
| # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -skip-unsupported-instructions=lack-sched -timeline %s 2>&1 | FileCheck --check-prefix=CHECK-SKIP %s |
| # RUN: not llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -skip-unsupported-instructions=parse-failure -timeline %s 2>&1 | FileCheck --check-prefix=CHECK-ERROR %s |
| # RUN: not llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 %s 2>&1 | FileCheck --check-prefix=CHECK-ERROR %s |
| |
| # Test checks that unsupported instructions exit with an error, unless -skip-unsupported-instructions=lack-sched is passed, in which case the remaining instructions should be analysed. |
| # Additionally check that -skip-unsupported-instructions=parse-failure continues to raise the lack of scheduling information. |
| |
| # CHECK-SKIP: warning: found an unsupported instruction in the input assembly sequence, skipping with -skip-unsupported-instructions, note accuracy will be impacted: |
| # CHECK-ERROR: error: found an unsupported instruction in the input assembly sequence, use -skip-unsupported-instructions=lack-sched to ignore these on the input. |
| |
| bzhi %eax, %ebx, %ecx |
| |
| # Supported instruction that may be analysed. |
| add %eax, %eax |
| |
| # CHECK-SKIP: Iterations: 100 |
| # CHECK-SKIP: Instructions: 100 |
| # CHECK-SKIP: Total Cycles: 103 |
| # CHECK-SKIP: Total uOps: 100 |
| |
| # CHECK-SKIP: Dispatch Width: 2 |
| # CHECK-SKIP: uOps Per Cycle: 0.97 |
| # CHECK-SKIP: IPC: 0.97 |
| # CHECK-SKIP: Block RThroughput: 0.5 |
| |
| # CHECK-SKIP: Instruction Info: |
| # CHECK-SKIP: [1]: #uOps |
| # CHECK-SKIP: [2]: Latency |
| # CHECK-SKIP: [3]: RThroughput |
| # CHECK-SKIP: [4]: MayLoad |
| # CHECK-SKIP: [5]: MayStore |
| # CHECK-SKIP: [6]: HasSideEffects (U) |
| |
| # CHECK-SKIP: [1] [2] [3] [4] [5] [6] Instructions: |
| # CHECK-SKIP: 1 1 0.50 addl %eax, %eax |
| |
| # CHECK-SKIP: Timeline view: |
| |
| # CHECK-SKIP: [0,0] DeER . . . addl %eax, %eax |
| # CHECK-SKIP: [1,0] D=eER. . . addl %eax, %eax |
| # CHECK-SKIP: [2,0] .D=eER . . addl %eax, %eax |
| # CHECK-SKIP: [3,0] .D==eER . . addl %eax, %eax |
| # CHECK-SKIP: [4,0] . D==eER . . addl %eax, %eax |
| # CHECK-SKIP: [5,0] . D===eER . . addl %eax, %eax |
| # CHECK-SKIP: [6,0] . D===eER. . addl %eax, %eax |
| # CHECK-SKIP: [7,0] . D====eER . addl %eax, %eax |
| # CHECK-SKIP: [8,0] . D====eER. addl %eax, %eax |
| # CHECK-SKIP: [9,0] . D=====eER addl %eax, %eax |
| |
| # CHECK-SKIP: Average Wait times (based on the timeline view): |
| # CHECK-SKIP: [0]: Executions |
| # CHECK-SKIP: [1]: Average time spent waiting in a scheduler's queue |
| # CHECK-SKIP: [2]: Average time spent waiting in a scheduler's queue while ready |
| # CHECK-SKIP: [3]: Average time elapsed from WB until retire stage |
| |
| # CHECK-SKIP: [0] [1] [2] [3] |
| # CHECK-SKIP: 0. 10 3.5 0.1 0.0 addl %eax, %eax |
