AMDGPU: Implement isNoopAddrSpaceCast
llvm-svn: 254468
diff --git a/llvm/test/CodeGen/AMDGPU/cgp-addressing-modes-flat.ll b/llvm/test/CodeGen/AMDGPU/cgp-addressing-modes-flat.ll
index 4d70ba8..1c5bed3 100644
--- a/llvm/test/CodeGen/AMDGPU/cgp-addressing-modes-flat.ll
+++ b/llvm/test/CodeGen/AMDGPU/cgp-addressing-modes-flat.ll
@@ -30,3 +30,69 @@
done:
ret void
}
+
+; OPT-LABEL: @test_sink_noop_addrspacecast_flat_to_global_i32(
+; OPT: getelementptr i32, i32 addrspace(4)* %out,
+; OPT-CI-NOT: getelementptr
+; OPT: br i1
+
+; OPT-CI: ptrtoint
+; OPT-CI: add
+; OPT-CI: inttoptr
+; OPT: br label
+
+; GCN-LABEL: {{^}}test_sink_noop_addrspacecast_flat_to_global_i32:
+; CI: buffer_load_dword {{v[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, 0 offset:28
+define void @test_sink_noop_addrspacecast_flat_to_global_i32(i32 addrspace(4)* %out, i32 addrspace(4)* %in, i32 %cond) {
+entry:
+ %out.gep = getelementptr i32, i32 addrspace(4)* %out, i64 999999
+ %in.gep = getelementptr i32, i32 addrspace(4)* %in, i64 7
+ %cast = addrspacecast i32 addrspace(4)* %in.gep to i32 addrspace(1)*
+ %tmp0 = icmp eq i32 %cond, 0
+ br i1 %tmp0, label %endif, label %if
+
+if:
+ %tmp1 = load i32, i32 addrspace(1)* %cast
+ br label %endif
+
+endif:
+ %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
+ store i32 %x, i32 addrspace(4)* %out.gep
+ br label %done
+
+done:
+ ret void
+}
+
+; OPT-LABEL: @test_sink_noop_addrspacecast_flat_to_constant_i32(
+; OPT: getelementptr i32, i32 addrspace(4)* %out,
+; OPT-CI-NOT: getelementptr
+; OPT: br i1
+
+; OPT-CI: ptrtoint
+; OPT-CI: add
+; OPT-CI: inttoptr
+; OPT: br label
+
+; GCN-LABEL: {{^}}test_sink_noop_addrspacecast_flat_to_constant_i32:
+; CI: s_load_dword {{s[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, 0xd
+define void @test_sink_noop_addrspacecast_flat_to_constant_i32(i32 addrspace(4)* %out, i32 addrspace(4)* %in, i32 %cond) {
+entry:
+ %out.gep = getelementptr i32, i32 addrspace(4)* %out, i64 999999
+ %in.gep = getelementptr i32, i32 addrspace(4)* %in, i64 7
+ %cast = addrspacecast i32 addrspace(4)* %in.gep to i32 addrspace(2)*
+ %tmp0 = icmp eq i32 %cond, 0
+ br i1 %tmp0, label %endif, label %if
+
+if:
+ %tmp1 = load i32, i32 addrspace(2)* %cast
+ br label %endif
+
+endif:
+ %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
+ store i32 %x, i32 addrspace(4)* %out.gep
+ br label %done
+
+done:
+ ret void
+}