[PATCH] D40546: StructurizeCFG: Test for branch divergence correctly

Quentin Colombet via llvm-commits llvm-commits at lists.llvm.org
Fri Feb 23 12:44:41 PST 2018


FWIW, I have the same problem as Sanjay.

Here is the output of the failure:
; GCN: s_cmp_eq_u32
       ^
<stdin>:104:21: note: scanning from here
 s_or_b64 exec, exec, s[10:11]
                    ^
<stdin>:106:2: note: possible intended match here
 v_cmp_eq_u32_e64 s[10:11], s4, v0
 ^


> On Feb 23, 2018, at 12:23 PM, Sanjay Patel via Phabricator via llvm-commits <llvm-commits at lists.llvm.org> wrote:
> 
> spatel added a comment.
> 
> I'm not sure if it was this change or something else, but the optnone test is not stable on my system (testing with llc built from r325923):
> 
>  $ ./llvm-lit ../../llvm/test/CodeGen/AMDGPU/control-flow-optnone.ll 
>  -- Testing: 1 tests, 1 threads --
>  PASS: LLVM :: CodeGen/AMDGPU/control-flow-optnone.ll (1 of 1)
>  Testing Time: 0.11s
>    Expected Passes    : 1
>  $ ./llvm-lit ../../llvm/test/CodeGen/AMDGPU/control-flow-optnone.ll 
>  -- Testing: 1 tests, 1 threads --
>  FAIL: LLVM :: CodeGen/AMDGPU/control-flow-optnone.ll (1 of 1)
>  Testing Time: 0.11s
>  ********************
>  Failing Tests (1):
>      LLVM :: CodeGen/AMDGPU/control-flow-optnone.ll
> 
> I also got blame mail from a bot about this test failing for what would seem to be an unrelated change:
> http://lab.llvm.org:8011/builders/clang-ppc64be-linux-multistage/builds/7201
> 
> 
> Repository:
>  rL LLVM
> 
> https://reviews.llvm.org/D40546
> 
> 
> 
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