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-rw-r--r--llvm/test/CodeGen/AMDGPU/cluster-flat-loads.mir20
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/cluster-flat-loads.mir b/llvm/test/CodeGen/AMDGPU/cluster-flat-loads.mir
new file mode 100644
index 00000000000..50caba213d3
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/cluster-flat-loads.mir
@@ -0,0 +1,20 @@
+# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass machine-scheduler %s -o - | FileCheck -check-prefix=GCN %s
+
+# GCN-LABEL: name: cluster_flat_loads
+# GCN: FLAT_LOAD_DWORD %0, 0
+# GCN-NEXT: FLAT_LOAD_DWORD %0, 4
+# GCN-NEXT: V_ADD_F32_e64
+name: cluster_flat_loads
+tracksRegLiveness: true
+registers:
+ - { id: 0, class: vreg_64 }
+ - { id: 1, class: vgpr_32 }
+ - { id: 2, class: vgpr_32 }
+ - { id: 3, class: vgpr_32 }
+body: |
+ bb.0:
+ %0 = IMPLICIT_DEF
+ %1 = FLAT_LOAD_DWORD %0, 0, 0, 0, implicit %exec, implicit %flat_scr :: (load 4)
+ %2 = V_ADD_F32_e64 0, killed %1, 0, 1, 0, 0, implicit %exec
+ %3 = FLAT_LOAD_DWORD %0, 4, 0, 0, implicit %exec, implicit %flat_scr :: (load 4)
+...
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