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* AMDGPU: Cleanup subtarget featuresMatt Arsenault2017-08-071-1/+1
| | | | | | | | | | | | Try to avoid mutually exclusive features. Don't use a real default GPU, and use a fake "generic". The goal is to make it easier to see which set of features are incompatible between feature strings. Most of the test changes are due to random scheduling changes from not having a default fullspeed model. llvm-svn: 310258
* AMDGPU: Mark all unspecified CC functions in tests as amdgpu_kernelMatt Arsenault2017-03-211-6/+6
| | | | | | | | | | | | Currently the default C calling convention functions are treated the same as compute kernels. Make this explicit so the default calling convention can be changed to a non-kernel. Converted with perl -pi -e 's/define void/define amdgpu_kernel void/' on the relevant test directories (and undoing in one place that actually wanted a non-kernel). llvm-svn: 298444
* DAG: Fold bitcast/extract_vector_elt of undef to undefMatt Arsenault2017-03-211-0/+24
| | | | | | Fixes not eliminating store when intrinsic is lowered to undef. llvm-svn: 298385
* Enable FeatureFlatForGlobal on Volcanic IslandsMatt Arsenault2017-01-241-1/+1
| | | | | | | | | | | This switches to the workaround that HSA defaults to for the mesa path. This should be applied to the 4.0 branch. Patch by Vedran Miletić <vedran@miletic.net> llvm-svn: 292982
* AMDGPU: Push bitcasts through build_vectorMatt Arsenault2016-09-171-0/+69
This reduces the number of copies and reg_sequences when using fp constant vectors. This significantly reduces the code size in local-stack-alloc-bug.ll llvm-svn: 281822
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