[PATCH] D11226: AMDPGU/SI: Negative offsets aren't allowed in MUBUF's vaddr operand

Matt Arsenault Matthew.Arsenault at amd.com
Wed Jul 15 10:48:56 PDT 2015


arsenm accepted this revision.
arsenm added a comment.
This revision is now accepted and ready to land.

LGTM


================
Comment at: test/CodeGen/AMDGPU/scratch-buffer.ll:101-102
@@ +100,4 @@
+if:
+  %ptr_offset = add i32 %offset, 4
+  %array_ptr = getelementptr [8192 x i32], [8192 x i32]* %array, i32 0, i32 %ptr_offset
+  store i32 0, i32* %array_ptr
----------------
I still don't really understand how this becomes a negative offset. Would another test that adds a negative offset be useful?


http://reviews.llvm.org/D11226







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