1 files changed, 167 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/r600.add.ll b/test/CodeGen/AMDGPU/r600.add.ll
new file mode 100644
index 0000000000000..73eea3ef21774
--- /dev/null
+++ b/test/CodeGen/AMDGPU/r600.add.ll
@@ -0,0 +1,167 @@
+; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -enable-var-scope -check-prefix=EG -check-prefix=FUNC %s
+
+; FUNC-LABEL: {{^}}s_add_i32:
+; EG: ADD_INT {{[* ]*}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+define amdgpu_kernel void @s_add_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
+  %b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
+  %a = load i32, i32 addrspace(1)* %in
+  %b = load i32, i32 addrspace(1)* %b_ptr
+  %result = add i32 %a, %b
+  store i32 %result, i32 addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}s_add_v2i32:
+; EG: ADD_INT {{[* ]*}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+; EG: ADD_INT {{[* ]*}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+define amdgpu_kernel void @s_add_v2i32(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(1)* %in) {
+  %b_ptr = getelementptr <2 x i32>, <2 x i32> addrspace(1)* %in, i32 1
+  %a = load <2 x i32>, <2 x i32> addrspace(1)* %in
+  %b = load <2 x i32>, <2 x i32> addrspace(1)* %b_ptr
+  %result = add <2 x i32> %a, %b
+  store <2 x i32> %result, <2 x i32> addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}s_add_v4i32:
+; EG: ADD_INT {{[* ]*}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+; EG: ADD_INT {{[* ]*}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+; EG: ADD_INT {{[* ]*}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+; EG: ADD_INT {{[* ]*}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+define amdgpu_kernel void @s_add_v4i32(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) {
+  %b_ptr = getelementptr <4 x i32>, <4 x i32> addrspace(1)* %in, i32 1
+  %a = load <4 x i32>, <4 x i32> addrspace(1)* %in
+  %b = load <4 x i32>, <4 x i32> addrspace(1)* %b_ptr
+  %result = add <4 x i32> %a, %b
+  store <4 x i32> %result, <4 x i32> addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}s_add_v8i32:
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+define amdgpu_kernel void @s_add_v8i32(<8 x i32> addrspace(1)* %out, <8 x i32> %a, <8 x i32> %b) {
+entry:
+  %0 = add <8 x i32> %a, %b
+  store <8 x i32> %0, <8 x i32> addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}s_add_v16i32:
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+; EG: ADD_INT
+define amdgpu_kernel void @s_add_v16i32(<16 x i32> addrspace(1)* %out, <16 x i32> %a, <16 x i32> %b) {
+entry:
+  %0 = add <16 x i32> %a, %b
+  store <16 x i32> %0, <16 x i32> addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}v_add_i32:
+define amdgpu_kernel void @v_add_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
+  %tid = call i32 @llvm.r600.read.tidig.x()
+  %gep = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 %tid
+  %b_ptr = getelementptr i32, i32 addrspace(1)* %gep, i32 1
+  %a = load volatile i32, i32 addrspace(1)* %gep
+  %b = load volatile i32, i32 addrspace(1)* %b_ptr
+  %result = add i32 %a, %b
+  store i32 %result, i32 addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}v_add_imm_i32:
+define amdgpu_kernel void @v_add_imm_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
+  %tid = call i32 @llvm.r600.read.tidig.x()
+  %gep = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 %tid
+  %b_ptr = getelementptr i32, i32 addrspace(1)* %gep, i32 1
+  %a = load volatile i32, i32 addrspace(1)* %gep
+  %result = add i32 %a, 123
+  store i32 %result, i32 addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}add64:
+; EG: MEM_RAT_CACHELESS STORE_RAW [[LO:T[0-9]+\.XY]]
+; EG-DAG: ADD_INT {{[* ]*}}
+; EG-DAG: ADDC_UINT
+; EG-DAG: ADD_INT
+; EG-DAG: ADD_INT {{[* ]*}}
+; EG-NOT: SUB
+define amdgpu_kernel void @add64(i64 addrspace(1)* %out, i64 %a, i64 %b) {
+entry:
+  %add = add i64 %a, %b
+  store i64 %add, i64 addrspace(1)* %out
+  ret void
+}
+
+; The v_addc_u32 and v_add_i32 instruction can't read SGPRs, because they
+; use VCC.  The test is designed so that %a will be stored in an SGPR and
+; %0 will be stored in a VGPR, so the comiler will be forced to copy %a
+; to a VGPR before doing the add.
+
+; FUNC-LABEL: {{^}}add64_sgpr_vgpr:
+; EG: MEM_RAT_CACHELESS STORE_RAW [[LO:T[0-9]+\.XY]]
+; EG-DAG: ADD_INT {{[* ]*}}
+; EG-DAG: ADDC_UINT
+; EG-DAG: ADD_INT
+; EG-DAG: ADD_INT {{[* ]*}}
+; EG-NOT: SUB
+define amdgpu_kernel void @add64_sgpr_vgpr(i64 addrspace(1)* %out, i64 %a, i64 addrspace(1)* %in) {
+entry:
+  %0 = load i64, i64 addrspace(1)* %in
+  %1 = add i64 %a, %0
+  store i64 %1, i64 addrspace(1)* %out
+  ret void
+}
+
+; Test i64 add inside a branch.
+; FUNC-LABEL: {{^}}add64_in_branch:
+; EG: MEM_RAT_CACHELESS STORE_RAW [[LO:T[0-9]+\.XY]]
+; EG-DAG: ADD_INT {{[* ]*}}
+; EG-DAG: ADDC_UINT
+; EG-DAG: ADD_INT
+; EG-DAG: ADD_INT {{[* ]*}}
+; EG-NOT: SUB
+define amdgpu_kernel void @add64_in_branch(i64 addrspace(1)* %out, i64 addrspace(1)* %in, i64 %a, i64 %b, i64 %c) {
+entry:
+  %0 = icmp eq i64 %a, 0
+  br i1 %0, label %if, label %else
+
+if:
+  %1 = load i64, i64 addrspace(1)* %in
+  br label %endif
+
+else:
+  %2 = add i64 %a, %b
+  br label %endif
+
+endif:
+  %3 = phi i64 [%1, %if], [%2, %else]
+  store i64 %3, i64 addrspace(1)* %out
+  ret void
+}
+
+declare i32 @llvm.r600.read.tidig.x() #1
+
+attributes #0 = { nounwind }
+attributes #1 = { nounwind readnone speculatable }