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gerrit-public.fairphone.software / toolchain / llvm-project / 326d6ece94281d82cdde13c022ba0ec14b30e7b2 / . / llvm / test / CodeGen / R600 / usubo.ll
blob: 4d4060006bd3180918143ca3e7ad4b0965d3aff8 [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.usub.with.overflow.i32(i32, i32) nounwind readnone
5declare { i64, i1 } @llvm.usub.with.overflow.i64(i64, i64) nounwind readnone
6
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]7; FUNC-LABEL: {{^}}usubo_i64_zext:
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]8define void @usubo_i64_zext(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind {
9 %usub = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %a, i64 %b) nounwind
10 %val = extractvalue { i64, i1 } %usub, 0
11 %carry = extractvalue { i64, i1 } %usub, 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_usubo_i32:
Tom Stellard326d6ec2014-11-05 14:50:53 +0000[diff] [blame^]19; SI: s_sub_i32
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]20define void @s_usubo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 %a, i32 %b) nounwind {
21 %usub = call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %a, i32 %b) nounwind
22 %val = extractvalue { i32, i1 } %usub, 0
23 %carry = extractvalue { i32, i1 } %usub, 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_usubo_i32:
Tom Stellard326d6ec2014-11-05 14:50:53 +0000[diff] [blame^]30; SI: v_subrev_i32_e32
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]31define void @v_usubo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
32 %a = load i32 addrspace(1)* %aptr, align 4
33 %b = load i32 addrspace(1)* %bptr, align 4
34 %usub = call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %a, i32 %b) nounwind
35 %val = extractvalue { i32, i1 } %usub, 0
36 %carry = extractvalue { i32, i1 } %usub, 1
37 store i32 %val, i32 addrspace(1)* %out, align 4
38 store i1 %carry, i1 addrspace(1)* %carryout
39 ret void
40}
41
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]42; FUNC-LABEL: {{^}}s_usubo_i64:
Tom Stellard326d6ec2014-11-05 14:50:53 +0000[diff] [blame^]43; SI: s_sub_u32
44; SI: s_subb_u32
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]45define void @s_usubo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 %a, i64 %b) nounwind {
46 %usub = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %a, i64 %b) nounwind
47 %val = extractvalue { i64, i1 } %usub, 0
48 %carry = extractvalue { i64, i1 } %usub, 1
49 store i64 %val, i64 addrspace(1)* %out, align 8
50 store i1 %carry, i1 addrspace(1)* %carryout
51 ret void
52}
53
Tom Stellard79243d92014-10-01 17:15:17 +0000[diff] [blame]54; FUNC-LABEL: {{^}}v_usubo_i64:
Tom Stellard326d6ec2014-11-05 14:50:53 +0000[diff] [blame^]55; SI: v_sub_i32
56; SI: v_subb_u32
Matt Arsenaultc4d3d3a2014-06-23 18:00:49 +0000[diff] [blame]57define void @v_usubo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 addrspace(1)* %aptr, i64 addrspace(1)* %bptr) nounwind {
58 %a = load i64 addrspace(1)* %aptr, align 4
59 %b = load i64 addrspace(1)* %bptr, align 4
60 %usub = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %a, i64 %b) nounwind
61 %val = extractvalue { i64, i1 } %usub, 0
62 %carry = extractvalue { i64, i1 } %usub, 1
63 store i64 %val, i64 addrspace(1)* %out, align 8
64 store i1 %carry, i1 addrspace(1)* %carryout
65 ret void
66}