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-rw-r--r--lib/Target/AMDGPU/AMDGPU.td6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/AMDGPU/AMDGPU.td b/lib/Target/AMDGPU/AMDGPU.td
index 0b2badff7ccf..13022009af16 100644
--- a/lib/Target/AMDGPU/AMDGPU.td
+++ b/lib/Target/AMDGPU/AMDGPU.td
@@ -282,6 +282,12 @@ def FeatureEnableSIScheduler : SubtargetFeature<"si-scheduler",
"Enable SI Machine Scheduler"
>;
+// Unless +-flat-for-global is specified, turn on FlatForGlobal for
+// all OS-es on VI and newer hardware to avoid assertion failures due
+// to missing ADDR64 variants of MUBUF instructions.
+// FIXME: moveToVALU should be able to handle converting addr64 MUBUF
+// instructions.
+
def FeatureFlatForGlobal : SubtargetFeature<"flat-for-global",
"FlatForGlobal",
"true",