1 ; RUN: opt < %s -constprop -S | FileCheck %s
5 declare {i8, i1} @llvm.uadd.with.overflow.i8(i8, i8)
6 declare {i8, i1} @llvm.usub.with.overflow.i8(i8, i8)
7 declare {i8, i1} @llvm.umul.with.overflow.i8(i8, i8)
9 declare {i8, i1} @llvm.sadd.with.overflow.i8(i8, i8)
10 declare {i8, i1} @llvm.ssub.with.overflow.i8(i8, i8)
11 declare {i8, i1} @llvm.smul.with.overflow.i8(i8, i8)
13 ;;-----------------------------
15 ;;-----------------------------
17 define {i8, i1} @uadd_1() nounwind {
19 %t = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 42, i8 100)
23 ; CHECK: ret %i8i1 { i8 -114, i1 false }
26 define {i8, i1} @uadd_2() nounwind {
28 %t = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 142, i8 120)
32 ; CHECK: ret %i8i1 { i8 6, i1 true }
35 ;;-----------------------------
37 ;;-----------------------------
39 define {i8, i1} @usub_1() nounwind {
41 %t = call {i8, i1} @llvm.usub.with.overflow.i8(i8 4, i8 2)
45 ; CHECK: ret %i8i1 { i8 2, i1 false }
48 define {i8, i1} @usub_2() nounwind {
50 %t = call {i8, i1} @llvm.usub.with.overflow.i8(i8 4, i8 6)
54 ; CHECK: ret %i8i1 { i8 -2, i1 true }
57 ;;-----------------------------
59 ;;-----------------------------
61 define {i8, i1} @umul_1() nounwind {
63 %t = call {i8, i1} @llvm.umul.with.overflow.i8(i8 100, i8 3)
67 ; CHECK: ret %i8i1 { i8 44, i1 true }
70 define {i8, i1} @umul_2() nounwind {
72 %t = call {i8, i1} @llvm.umul.with.overflow.i8(i8 100, i8 2)
76 ; CHECK: ret %i8i1 { i8 -56, i1 false }
79 ;;-----------------------------
81 ;;-----------------------------
83 define {i8, i1} @sadd_1() nounwind {
85 %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 42, i8 2)
89 ; CHECK: ret %i8i1 { i8 44, i1 false }
92 define {i8, i1} @sadd_2() nounwind {
94 %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 120, i8 10)
98 ; CHECK: ret %i8i1 { i8 -126, i1 true }
101 define {i8, i1} @sadd_3() nounwind {
103 %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 -120, i8 10)
107 ; CHECK: ret %i8i1 { i8 -110, i1 false }
110 define {i8, i1} @sadd_4() nounwind {
112 %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 -120, i8 -10)
116 ; CHECK: ret %i8i1 { i8 126, i1 true }
119 define {i8, i1} @sadd_5() nounwind {
121 %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 2, i8 -10)
125 ; CHECK: ret %i8i1 { i8 -8, i1 false }
129 ;;-----------------------------
131 ;;-----------------------------
133 define {i8, i1} @ssub_1() nounwind {
135 %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 4, i8 2)
139 ; CHECK: ret %i8i1 { i8 2, i1 false }
142 define {i8, i1} @ssub_2() nounwind {
144 %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 4, i8 6)
148 ; CHECK: ret %i8i1 { i8 -2, i1 false }
151 define {i8, i1} @ssub_3() nounwind {
153 %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 -10, i8 120)
157 ; CHECK: ret %i8i1 { i8 126, i1 true }
160 define {i8, i1} @ssub_3b() nounwind {
162 %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 -10, i8 10)
166 ; CHECK: ret %i8i1 { i8 -20, i1 false }
169 define {i8, i1} @ssub_4() nounwind {
171 %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 120, i8 -10)
175 ; CHECK: ret %i8i1 { i8 -126, i1 true }
178 define {i8, i1} @ssub_4b() nounwind {
180 %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 20, i8 -10)
184 ; CHECK: ret %i8i1 { i8 30, i1 false }
187 define {i8, i1} @ssub_5() nounwind {
189 %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 -20, i8 -10)
193 ; CHECK: ret %i8i1 { i8 -10, i1 false }
196 ;;-----------------------------
198 ;;-----------------------------
201 define {i8, i1} @smul_1() nounwind {
203 %t = call {i8, i1} @llvm.smul.with.overflow.i8(i8 -20, i8 -10)
207 ; CHECK: ret %i8i1 { i8 -56, i1 true }