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| author | Matt Davis <Matthew.Davis@sony.com> | 2019-03-07 19:34:44 +0000 |
|---|---|---|
| committer | Matt Davis <Matthew.Davis@sony.com> | 2019-03-07 19:34:44 +0000 |
| commit | 6c5a49ccb9e42e163d1d9b70c71b55bcd98bfaae (patch) | |
| tree | 998a6f63b0c59775303ab8fca855a04b50e01a80 /llvm/test/tools | |
| parent | 2ead8e899327807e63b668e65de6cb09c31bb667 (diff) | |
| download | bcm5719-llvm-6c5a49ccb9e42e163d1d9b70c71b55bcd98bfaae.tar.gz bcm5719-llvm-6c5a49ccb9e42e163d1d9b70c71b55bcd98bfaae.zip | |
[llvm-mca] Emit a message when no bottlenecks are identified.
Summary:
Since bottleneck hints are enabled via user request, it can be
confusing if no bottleneck information is presented. Such is the
case when no bottlenecks are identified. This patch emits a message
in that case.
Reviewers: andreadb
Reviewed By: andreadb
Subscribers: tschuett, gbedwell, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D59098
llvm-svn: 355628
Diffstat (limited to 'llvm/test/tools')
| -rw-r--r-- | llvm/test/tools/llvm-mca/X86/BtVer2/bottleneck-hints-none.s | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/test/tools/llvm-mca/X86/BtVer2/bottleneck-hints-none.s b/llvm/test/tools/llvm-mca/X86/BtVer2/bottleneck-hints-none.s new file mode 100644 index 00000000000..1eb888d66da --- /dev/null +++ b/llvm/test/tools/llvm-mca/X86/BtVer2/bottleneck-hints-none.s @@ -0,0 +1,16 @@ +# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py +# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -bottleneck-analysis -all-views=false -summary-view -iterations 1 < %s | FileCheck %s -implicit-check-not 'Cycles with backend pressure increase' + +add %eax, %ebx + +# CHECK: Iterations: 1 +# CHECK-NEXT: Instructions: 1 +# CHECK-NEXT: Total Cycles: 4 +# CHECK-NEXT: Total uOps: 1 + +# CHECK: Dispatch Width: 2 +# CHECK-NEXT: uOps Per Cycle: 0.25 +# CHECK-NEXT: IPC: 0.25 +# CHECK-NEXT: Block RThroughput: 0.5 + +# CHECK: No resource or data dependency bottlenecks discovered. |
