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gerrit-public.fairphone.software / toolchain / llvm-project / 326d6ece94281d82cdde13c022ba0ec14b30e7b2 / . / llvm / test / CodeGen / R600 / ssubo.ll
blob: 8031c6f76f816537e3d906fc0b5fc1842a8ecb32 [file] [log] [blame]
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]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
3
4declare { i32, i1 } @llvm.ssub.with.overflow.i32(i32, i32) nounwind readnone
5declare { i64, i1 } @llvm.ssub.with.overflow.i64(i64, i64) nounwind readnone
6
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]7; FUNC-LABEL: {{^}}ssubo_i64_zext:
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]8define 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
15 ret void
16}
17
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]18; FUNC-LABEL: {{^}}s_ssubo_i32:
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]19define 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
25 ret void
26}
27
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]28; FUNC-LABEL: {{^}}v_ssubo_i32:
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]29define 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
37 ret void
38}
39
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]40; FUNC-LABEL: {{^}}s_ssubo_i64:
Tom Stellard326d6ec2014-11-05 14:50:53 +0000[diff] [blame^]41; SI: s_sub_u32
42; SI: s_subb_u32
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]43define 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
49 ret void
50}
51
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]52; FUNC-LABEL: {{^}}v_ssubo_i64:
Tom Stellard326d6ec2014-11-05 14:50:53 +0000[diff] [blame^]53; SI: v_sub_i32_e32
54; SI: v_subb_u32_e32
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]55define 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
63 ret void
64}