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gerrit-public.fairphone.software / toolchain / llvm-project / a79ac14fa68297f9888bc70a10df5ed9b8864e38 / . / llvm / test / CodeGen / R600 / ssubo.ll
blob: 26884a1b776148105373e2b26debdcd623f2743a [file] [log] [blame]
Tom Stellard49f8bfd2015-01-06 18:00:21 +0000[diff] [blame]1; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
Marek Olsak75170772015-01-27 17:27:15 +0000[diff] [blame]2; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs< %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]3; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs< %s
4
5declare { i32, i1 } @llvm.ssub.with.overflow.i32(i32, i32) nounwind readnone
6declare { i64, i1 } @llvm.ssub.with.overflow.i64(i64, i64) nounwind readnone
7
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]8; FUNC-LABEL: {{^}}ssubo_i64_zext:
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]9define void @ssubo_i64_zext(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind {
10 %ssub = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %a, i64 %b) nounwind
11 %val = extractvalue { i64, i1 } %ssub, 0
12 %carry = extractvalue { i64, i1 } %ssub, 1
13 %ext = zext i1 %carry to i64
14 %add2 = add i64 %val, %ext
15 store i64 %add2, i64 addrspace(1)* %out, align 8
16 ret void
17}
18
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]19; FUNC-LABEL: {{^}}s_ssubo_i32:
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]20define void @s_ssubo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 %a, i32 %b) nounwind {
21 %ssub = call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 %a, i32 %b) nounwind
22 %val = extractvalue { i32, i1 } %ssub, 0
23 %carry = extractvalue { i32, i1 } %ssub, 1
24 store i32 %val, i32 addrspace(1)* %out, align 4
25 store i1 %carry, i1 addrspace(1)* %carryout
26 ret void
27}
28
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]29; FUNC-LABEL: {{^}}v_ssubo_i32:
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]30define void @v_ssubo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame^]31 %a = load i32, i32 addrspace(1)* %aptr, align 4
32 %b = load i32, i32 addrspace(1)* %bptr, align 4
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]33 %ssub = call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 %a, i32 %b) nounwind
34 %val = extractvalue { i32, i1 } %ssub, 0
35 %carry = extractvalue { i32, i1 } %ssub, 1
36 store i32 %val, i32 addrspace(1)* %out, align 4
37 store i1 %carry, i1 addrspace(1)* %carryout
38 ret void
39}
40
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]41; FUNC-LABEL: {{^}}s_ssubo_i64:
Tom Stellard326d6ec2014-11-05 14:50:53 +0000[diff] [blame]42; SI: s_sub_u32
43; SI: s_subb_u32
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]44define void @s_ssubo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 %a, i64 %b) nounwind {
45 %ssub = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %a, i64 %b) nounwind
46 %val = extractvalue { i64, i1 } %ssub, 0
47 %carry = extractvalue { i64, i1 } %ssub, 1
48 store i64 %val, i64 addrspace(1)* %out, align 8
49 store i1 %carry, i1 addrspace(1)* %carryout
50 ret void
51}
52
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]53; FUNC-LABEL: {{^}}v_ssubo_i64:
Tom Stellard326d6ec2014-11-05 14:50:53 +0000[diff] [blame]54; SI: v_sub_i32_e32
55; SI: v_subb_u32_e32
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]56define void @v_ssubo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 addrspace(1)* %aptr, i64 addrspace(1)* %bptr) nounwind {
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame^]57 %a = load i64, i64 addrspace(1)* %aptr, align 4
58 %b = load i64, i64 addrspace(1)* %bptr, align 4
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]59 %ssub = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %a, i64 %b) nounwind
60 %val = extractvalue { i64, i1 } %ssub, 0
61 %carry = extractvalue { i64, i1 } %ssub, 1
62 store i64 %val, i64 addrspace(1)* %out, align 8
63 store i1 %carry, i1 addrspace(1)* %carryout
64 ret void
65}