1 files changed, 242 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/R600/cgp-addressing-modes.ll b/llvm/test/CodeGen/R600/cgp-addressing-modes.ll
new file mode 100644
index 00000000000..3d36bd19937
--- /dev/null
+++ b/llvm/test/CodeGen/R600/cgp-addressing-modes.ll
@@ -0,0 +1,242 @@
+; RUN: opt -S -codegenprepare -mtriple=amdgcn-unknown-unknown < %s | FileCheck -check-prefix=OPT %s
+; RUN: llc -march=amdgcn -mattr=-promote-alloca < %s | FileCheck -check-prefix=GCN %s
+
+declare i32 @llvm.r600.read.tidig.x() #0
+
+; OPT-LABEL: @test_sink_global_small_offset_i32(
+; OPT-NOT: getelementptr i32, i32 addrspace(1)* %in
+; OPT: br i1
+; OPT: ptrtoint
+
+; GCN-LABEL: {{^}}test_sink_global_small_offset_i32:
+; GCN: {{^}}BB0_2:
+define void @test_sink_global_small_offset_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %cond) {
+entry:
+  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
+  %in.gep = getelementptr i32, i32 addrspace(1)* %in, i64 7
+  %tmp0 = icmp eq i32 %cond, 0
+  br i1 %tmp0, label %endif, label %if
+
+if:
+  %tmp1 = load i32, i32 addrspace(1)* %in.gep
+  br label %endif
+
+endif:
+  %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
+  store i32 %x, i32 addrspace(1)* %out.gep
+  br label %done
+
+done:
+  ret void
+}
+
+; OPT-LABEL: @test_sink_global_small_max_i32_ds_offset(
+; OPT: %in.gep = getelementptr i8, i8 addrspace(1)* %in, i64 65535
+; OPT: br i1
+
+; GCN-LABEL: {{^}}test_sink_global_small_max_i32_ds_offset:
+; GCN: s_and_saveexec_b64
+; GCN: buffer_load_sbyte {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, s{{[0-9]+$}}
+; GCN: {{^}}BB1_2:
+; GCN: s_or_b64 exec
+define void @test_sink_global_small_max_i32_ds_offset(i32 addrspace(1)* %out, i8 addrspace(1)* %in, i32 %cond) {
+entry:
+  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 99999
+  %in.gep = getelementptr i8, i8 addrspace(1)* %in, i64 65535
+  %tmp0 = icmp eq i32 %cond, 0
+  br i1 %tmp0, label %endif, label %if
+
+if:
+  %tmp1 = load i8, i8 addrspace(1)* %in.gep
+  %tmp2 = sext i8 %tmp1 to i32
+  br label %endif
+
+endif:
+  %x = phi i32 [ %tmp2, %if ], [ 0, %entry ]
+  store i32 %x, i32 addrspace(1)* %out.gep
+  br label %done
+
+done:
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_sink_global_small_max_mubuf_offset:
+; GCN: s_and_saveexec_b64
+; GCN: buffer_load_sbyte {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:4095{{$}}
+; GCN: {{^}}BB2_2:
+; GCN: s_or_b64 exec
+define void @test_sink_global_small_max_mubuf_offset(i32 addrspace(1)* %out, i8 addrspace(1)* %in, i32 %cond) {
+entry:
+  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 1024
+  %in.gep = getelementptr i8, i8 addrspace(1)* %in, i64 4095
+  %tmp0 = icmp eq i32 %cond, 0
+  br i1 %tmp0, label %endif, label %if
+
+if:
+  %tmp1 = load i8, i8 addrspace(1)* %in.gep
+  %tmp2 = sext i8 %tmp1 to i32
+  br label %endif
+
+endif:
+  %x = phi i32 [ %tmp2, %if ], [ 0, %entry ]
+  store i32 %x, i32 addrspace(1)* %out.gep
+  br label %done
+
+done:
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_sink_global_small_max_plus_1_mubuf_offset:
+; GCN: s_and_saveexec_b64
+; GCN: buffer_load_sbyte {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, s{{[0-9]+$}}
+; GCN: {{^}}BB3_2:
+; GCN: s_or_b64 exec
+define void @test_sink_global_small_max_plus_1_mubuf_offset(i32 addrspace(1)* %out, i8 addrspace(1)* %in, i32 %cond) {
+entry:
+  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 99999
+  %in.gep = getelementptr i8, i8 addrspace(1)* %in, i64 4096
+  %tmp0 = icmp eq i32 %cond, 0
+  br i1 %tmp0, label %endif, label %if
+
+if:
+  %tmp1 = load i8, i8 addrspace(1)* %in.gep
+  %tmp2 = sext i8 %tmp1 to i32
+  br label %endif
+
+endif:
+  %x = phi i32 [ %tmp2, %if ], [ 0, %entry ]
+  store i32 %x, i32 addrspace(1)* %out.gep
+  br label %done
+
+done:
+  ret void
+}
+
+; OPT-LABEL: @test_no_sink_flat_small_offset_i32(
+; OPT: getelementptr i32, i32 addrspace(4)* %in
+; OPT: br i1
+; OPT-NOT: ptrtoint
+
+; GCN-LABEL: {{^}}test_no_sink_flat_small_offset_i32:
+; GCN: flat_load_dword
+; GCN: {{^}}BB4_2:
+
+define void @test_no_sink_flat_small_offset_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
+  %tmp0 = icmp eq i32 %cond, 0
+  br i1 %tmp0, label %endif, label %if
+
+if:
+  %tmp1 = load i32, i32 addrspace(4)* %in.gep
+  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_scratch_small_offset_i32(
+; OPT-NOT:  getelementptr [512 x i32]
+; OPT: br i1
+; OPT: ptrtoint
+
+; GCN-LABEL: {{^}}test_sink_scratch_small_offset_i32:
+; GCN: s_and_saveexec_b64
+; GCN: buffer_store_dword {{v[0-9]+}}, {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, {{s[0-9]+}} offen offset:4092{{$}}
+; GCN: buffer_load_dword {{v[0-9]+}}, {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, {{s[0-9]+}} offen offset:4092{{$}}
+; GCN: {{^}}BB5_2:
+define void @test_sink_scratch_small_offset_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %cond, i32 %arg) {
+entry:
+  %alloca = alloca [512 x i32], align 4
+  %out.gep.0 = getelementptr i32, i32 addrspace(1)* %out, i64 999998
+  %out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i64 999999
+  %add.arg = add i32 %arg, 8
+  %alloca.gep = getelementptr [512 x i32], [512 x i32]* %alloca, i32 0, i32 1023
+  %tmp0 = icmp eq i32 %cond, 0
+  br i1 %tmp0, label %endif, label %if
+
+if:
+  store volatile i32 123, i32* %alloca.gep
+  %tmp1 = load volatile i32, i32* %alloca.gep
+  br label %endif
+
+endif:
+  %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
+  store i32 %x, i32 addrspace(1)* %out.gep.0
+  %load = load volatile i32, i32* %alloca.gep
+  store i32 %load, i32 addrspace(1)* %out.gep.1
+  br label %done
+
+done:
+  ret void
+}
+
+; OPT-LABEL: @test_no_sink_scratch_large_offset_i32(
+; OPT: %alloca.gep = getelementptr [512 x i32], [512 x i32]* %alloca, i32 0, i32 1024
+; OPT: br i1
+; OPT-NOT: ptrtoint
+
+; GCN-LABEL: {{^}}test_no_sink_scratch_large_offset_i32:
+; GCN: s_and_saveexec_b64
+; GCN: buffer_store_dword {{v[0-9]+}}, {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, {{s[0-9]+}} offen{{$}}
+; GCN: buffer_load_dword {{v[0-9]+}}, {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, {{s[0-9]+}} offen{{$}}
+; GCN: {{^}}BB6_2:
+define void @test_no_sink_scratch_large_offset_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %cond, i32 %arg) {
+entry:
+  %alloca = alloca [512 x i32], align 4
+  %out.gep.0 = getelementptr i32, i32 addrspace(1)* %out, i64 999998
+  %out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i64 999999
+  %add.arg = add i32 %arg, 8
+  %alloca.gep = getelementptr [512 x i32], [512 x i32]* %alloca, i32 0, i32 1024
+  %tmp0 = icmp eq i32 %cond, 0
+  br i1 %tmp0, label %endif, label %if
+
+if:
+  store volatile i32 123, i32* %alloca.gep
+  %tmp1 = load volatile i32, i32* %alloca.gep
+  br label %endif
+
+endif:
+  %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
+  store i32 %x, i32 addrspace(1)* %out.gep.0
+  %load = load volatile i32, i32* %alloca.gep
+  store i32 %load, i32 addrspace(1)* %out.gep.1
+  br label %done
+
+done:
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_sink_global_vreg_sreg_i32:
+; GCN: s_and_saveexec_b64
+; GCN: buffer_load_dword {{v[0-9]+}}, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
+; GCN: {{^}}BB7_2:
+define void @test_sink_global_vreg_sreg_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %offset, i32 %cond) {
+entry:
+  %offset.ext = zext i32 %offset to i64
+  %out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
+  %in.gep = getelementptr i32, i32 addrspace(1)* %in, i64 %offset.ext
+  %tmp0 = icmp eq i32 %cond, 0
+  br i1 %tmp0, label %endif, label %if
+
+if:
+  %tmp1 = load i32, i32 addrspace(1)* %in.gep
+  br label %endif
+
+endif:
+  %x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
+  store i32 %x, i32 addrspace(1)* %out.gep
+  br label %done
+
+done:
+  ret void
+}
+
+attributes #0 = { nounwind readnone }
+attributes #1 = { nounwind }