https://bugs.llvm.org/show_bug.cgi?id=35970
Bug ID: 35970
Summary: Implement addrspace machine memory operand printing /
parsing in MIR
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Common Code Generator Code
Assignee: unassignedb...@nondot.org
Reporter: franci...@yahoo.com
CC: llvm-bugs@lists.llvm.org
Created attachment 19686
--> https://bugs.llvm.org/attachment.cgi?id=19686&action=edit
Copy of the test.
-debug printing prints the address space of a MachinePointerInfo if it is != 0:
%15:vgpr_32 = BUFFER_LOAD_SSHORT_OFFEN %18, %sgpr96_sgpr97_sgpr98_sgpr99,
%sgpr3, 0, 0, 0, 0, implicit %exec; mem:LD2[<unknown>(addrspace=5)]
When printing MIR and parsing it again we lose the information of the address
space if there is no IR value attached to the MachinePointerInfo.
Example: test/CodeGen/AMDGPU/extload-align.ll
We print:
%15:vgpr_32 = BUFFER_LOAD_SSHORT_OFFEN %18, %sgpr96_sgpr97_sgpr98_sgpr99,
%sgpr3, 0, 0, 0, 0, implicit %exec :: (load 2)
Note the ":: (load 2)" which is missing the addrspace 5.
When we parse it back, the addrspace is assumed to be 0.
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