1 ; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
2 ; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs< %s
4 declare { i32, i1 } @llvm.ssub.with.overflow.i32(i32, i32) nounwind readnone
5 declare { i64, i1 } @llvm.ssub.with.overflow.i64(i64, i64) nounwind readnone
7 ; FUNC-LABEL: @ssubo_i64_zext
8 define void @ssubo_i64_zext(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind {
9 %ssub = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %a, i64 %b) nounwind
10 %val = extractvalue { i64, i1 } %ssub, 0
11 %carry = extractvalue { i64, i1 } %ssub, 1
12 %ext = zext i1 %carry to i64
13 %add2 = add i64 %val, %ext
14 store i64 %add2, i64 addrspace(1)* %out, align 8
18 ; FUNC-LABEL: @s_ssubo_i32
19 define void @s_ssubo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 %a, i32 %b) nounwind {
20 %ssub = call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 %a, i32 %b) nounwind
21 %val = extractvalue { i32, i1 } %ssub, 0
22 %carry = extractvalue { i32, i1 } %ssub, 1
23 store i32 %val, i32 addrspace(1)* %out, align 4
24 store i1 %carry, i1 addrspace(1)* %carryout
28 ; FUNC-LABEL: @v_ssubo_i32
29 define void @v_ssubo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
30 %a = load i32 addrspace(1)* %aptr, align 4
31 %b = load i32 addrspace(1)* %bptr, align 4
32 %ssub = call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 %a, i32 %b) nounwind
33 %val = extractvalue { i32, i1 } %ssub, 0
34 %carry = extractvalue { i32, i1 } %ssub, 1
35 store i32 %val, i32 addrspace(1)* %out, align 4
36 store i1 %carry, i1 addrspace(1)* %carryout
40 ; FUNC-LABEL: @s_ssubo_i64
43 define void @s_ssubo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 %a, i64 %b) nounwind {
44 %ssub = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %a, i64 %b) nounwind
45 %val = extractvalue { i64, i1 } %ssub, 0
46 %carry = extractvalue { i64, i1 } %ssub, 1
47 store i64 %val, i64 addrspace(1)* %out, align 8
48 store i1 %carry, i1 addrspace(1)* %carryout
52 ; FUNC-LABEL: @v_ssubo_i64
55 define void @v_ssubo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 addrspace(1)* %aptr, i64 addrspace(1)* %bptr) nounwind {
56 %a = load i64 addrspace(1)* %aptr, align 4
57 %b = load i64 addrspace(1)* %bptr, align 4
58 %ssub = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %a, i64 %b) nounwind
59 %val = extractvalue { i64, i1 } %ssub, 0
60 %carry = extractvalue { i64, i1 } %ssub, 1
61 store i64 %val, i64 addrspace(1)* %out, align 8
62 store i1 %carry, i1 addrspace(1)* %carryout