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gerrit-public.fairphone.software / toolchain / llvm-project / 708a91a10366f0aa8f2b3912dd8e047ca1a66e5b / . / llvm / test / CodeGen / AMDGPU / usubo.ll
blob: 3c9b1622a076c581173045381de9c480b05197de [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
Jan Vesely808fff52015-04-30 17:15:56 +0000[diff] [blame]3; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs< %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]4
5declare { i32, i1 } @llvm.usub.with.overflow.i32(i32, i32) nounwind readnone
6declare { i64, i1 } @llvm.usub.with.overflow.i64(i64, i64) nounwind readnone
7
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]8; FUNC-LABEL: {{^}}usubo_i64_zext:
Jan Vesely808fff52015-04-30 17:15:56 +0000[diff] [blame]9
10; EG: SUBB_UINT
11; EG: ADDC_UINT
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]12define void @usubo_i64_zext(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind {
13 %usub = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %a, i64 %b) nounwind
14 %val = extractvalue { i64, i1 } %usub, 0
15 %carry = extractvalue { i64, i1 } %usub, 1
16 %ext = zext i1 %carry to i64
17 %add2 = add i64 %val, %ext
18 store i64 %add2, i64 addrspace(1)* %out, align 8
19 ret void
20}
21
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]22; FUNC-LABEL: {{^}}s_usubo_i32:
Tom Stellard326d6ec2014-11-05 14:50:53 +0000[diff] [blame]23; SI: s_sub_i32
Jan Vesely808fff52015-04-30 17:15:56 +0000[diff] [blame]24
25; EG-DAG: SUBB_UINT
26; EG-DAG: SUB_INT
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]27define void @s_usubo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 %a, i32 %b) nounwind {
28 %usub = call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %a, i32 %b) nounwind
29 %val = extractvalue { i32, i1 } %usub, 0
30 %carry = extractvalue { i32, i1 } %usub, 1
31 store i32 %val, i32 addrspace(1)* %out, align 4
32 store i1 %carry, i1 addrspace(1)* %carryout
33 ret void
34}
35
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]36; FUNC-LABEL: {{^}}v_usubo_i32:
Tom Stellardb6550522015-01-12 19:33:18 +0000[diff] [blame]37; SI: v_subrev_i32_e32
Jan Vesely808fff52015-04-30 17:15:56 +0000[diff] [blame]38
39; EG-DAG: SUBB_UINT
40; EG-DAG: SUB_INT
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]41define void @v_usubo_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]42 %a = load i32, i32 addrspace(1)* %aptr, align 4
43 %b = load i32, i32 addrspace(1)* %bptr, align 4
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]44 %usub = call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %a, i32 %b) nounwind
45 %val = extractvalue { i32, i1 } %usub, 0
46 %carry = extractvalue { i32, i1 } %usub, 1
47 store i32 %val, i32 addrspace(1)* %out, align 4
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: {{^}}s_usubo_i64:
Tom Stellard326d6ec2014-11-05 14:50:53 +0000[diff] [blame]53; SI: s_sub_u32
54; SI: s_subb_u32
Jan Vesely808fff52015-04-30 17:15:56 +0000[diff] [blame]55
56; EG-DAG: SUBB_UINT
57; EG-DAG: SUB_INT
58; EG-DAG: SUB_INT
59; EG: SUB_INT
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]60define void @s_usubo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 %a, i64 %b) nounwind {
61 %usub = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %a, i64 %b) nounwind
62 %val = extractvalue { i64, i1 } %usub, 0
63 %carry = extractvalue { i64, i1 } %usub, 1
64 store i64 %val, i64 addrspace(1)* %out, align 8
65 store i1 %carry, i1 addrspace(1)* %carryout
66 ret void
67}
68
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]69; FUNC-LABEL: {{^}}v_usubo_i64:
Tom Stellard326d6ec2014-11-05 14:50:53 +0000[diff] [blame]70; SI: v_sub_i32
71; SI: v_subb_u32
Jan Vesely808fff52015-04-30 17:15:56 +0000[diff] [blame]72
73; EG-DAG: SUBB_UINT
74; EG-DAG: SUB_INT
75; EG-DAG: SUB_INT
76; EG: SUB_INT
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]77define void @v_usubo_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]78 %a = load i64, i64 addrspace(1)* %aptr, align 4
79 %b = load i64, i64 addrspace(1)* %bptr, align 4
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]80 %usub = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %a, i64 %b) nounwind
81 %val = extractvalue { i64, i1 } %usub, 0
82 %carry = extractvalue { i64, i1 } %usub, 1
83 store i64 %val, i64 addrspace(1)* %out, align 8
84 store i1 %carry, i1 addrspace(1)* %carryout
85 ret void
86}