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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2016-04-29 06:25:10 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2016-04-29 06:25:10 +0000 |
| commit | 7d1b6c81af232c1a18a3465c0a9524c0d1ac29ef (patch) | |
| tree | f01825958d4980fb7e6f7d97a2f8c1cc0afbc4b8 /llvm/lib/Target | |
| parent | 790eb1c4901a7bd2e1d71f12ea0ad92167f3461b (diff) | |
| download | bcm5719-llvm-7d1b6c81af232c1a18a3465c0a9524c0d1ac29ef.tar.gz bcm5719-llvm-7d1b6c81af232c1a18a3465c0a9524c0d1ac29ef.zip | |
AMDGPU: Stop reporting an addressing mode for unknown addrspace
This was being treated the same as private, which has an immediate
offset. For unknown, it probably means it's for a computation not
actually being used for accessing memory, so it should not have a
nontrivial addressing mode.
llvm-svn: 268002
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIISelLowering.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp index 5422150b177..c35ecf1869c 100644 --- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp +++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp @@ -454,7 +454,6 @@ bool SITargetLowering::isLegalAddressingMode(const DataLayout &DL, } case AMDGPUAS::PRIVATE_ADDRESS: - case AMDGPUAS::UNKNOWN_ADDRESS_SPACE: return isLegalMUBUFAddressingMode(AM); case AMDGPUAS::LOCAL_ADDRESS: @@ -475,6 +474,12 @@ bool SITargetLowering::isLegalAddressingMode(const DataLayout &DL, return false; } case AMDGPUAS::FLAT_ADDRESS: + case AMDGPUAS::UNKNOWN_ADDRESS_SPACE: + // For an unknown address space, this usually means that this is for some + // reason being used for pure arithmetic, and not based on some addressing + // computation. We don't have instructions that compute pointers with any + // addressing modes, so treat them as having no offset like flat + // instructions. return isLegalFlatAddressingMode(AM); default: |
