resources-rdrand.s 1.65 KB
# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=haswell -instruction-tables < %s | FileCheck %s

rdrand   %ax
rdrand   %eax
rdrand   %rax

# 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:  17     1     5.33                  U     rdrandw	%ax
# CHECK-NEXT:  17     1     5.33                  U     rdrandl	%eax
# CHECK-NEXT:  17     1     5.33                  U     rdrandq	%rax

# CHECK:      Resources:
# CHECK-NEXT: [0]   - HWDivider
# CHECK-NEXT: [1]   - HWFPDivider
# CHECK-NEXT: [2]   - HWPort0
# CHECK-NEXT: [3]   - HWPort1
# CHECK-NEXT: [4]   - HWPort2
# CHECK-NEXT: [5]   - HWPort3
# CHECK-NEXT: [6]   - HWPort4
# CHECK-NEXT: [7]   - HWPort5
# CHECK-NEXT: [8]   - HWPort6
# CHECK-NEXT: [9]   - HWPort7

# CHECK:      Resource pressure per iteration:
# CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]
# CHECK-NEXT:  -      -     16.00  16.00  1.50   1.50    -     16.00   -      -

# CHECK:      Resource pressure by instruction:
# CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    Instructions:
# CHECK-NEXT:  -      -     5.33   5.33   0.50   0.50    -     5.33    -      -     rdrandw	%ax
# CHECK-NEXT:  -      -     5.33   5.33   0.50   0.50    -     5.33    -      -     rdrandl	%eax
# CHECK-NEXT:  -      -     5.33   5.33   0.50   0.50    -     5.33    -      -     rdrandq	%rax