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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 32; Test 32-bit addition in which the second operand is constant and in which3; three-operand forms are available.4;5; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s6 7declare i32 @foo()8 9; Check addition of 1.10define zeroext i1 @f1(i32 %dummy, i32 %a, ptr %res) {11; CHECK-LABEL: f1:12; CHECK: # %bb.0:13; CHECK-NEXT: alhsik %r0, %r3, 114; CHECK-NEXT: st %r0, 0(%r4)15; CHECK-NEXT: ipm %r116; CHECK-NEXT: risbg %r2, %r1, 63, 191, 3517; CHECK-NEXT: br %r1418 %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %a, i32 1)19 %val = extractvalue {i32, i1} %t, 020 %obit = extractvalue {i32, i1} %t, 121 store i32 %val, ptr %res22 ret i1 %obit23}24 25; Check the high end of the ALHSIK range.26define zeroext i1 @f2(i32 %dummy, i32 %a, ptr %res) {27; CHECK-LABEL: f2:28; CHECK: # %bb.0:29; CHECK-NEXT: alhsik %r0, %r3, 3276730; CHECK-NEXT: st %r0, 0(%r4)31; CHECK-NEXT: ipm %r132; CHECK-NEXT: risbg %r2, %r1, 63, 191, 3533; CHECK-NEXT: br %r1434 %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %a, i32 32767)35 %val = extractvalue {i32, i1} %t, 036 %obit = extractvalue {i32, i1} %t, 137 store i32 %val, ptr %res38 ret i1 %obit39}40 41; Check the next value up, which must use ALFI instead.42define zeroext i1 @f3(i32 %dummy, i32 %a, ptr %res) {43; CHECK-LABEL: f3:44; CHECK: # %bb.0:45; CHECK-NEXT: alfi %r3, 3276846; CHECK-NEXT: st %r3, 0(%r4)47; CHECK-NEXT: ipm %r048; CHECK-NEXT: risbg %r2, %r0, 63, 191, 3549; CHECK-NEXT: br %r1450 %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %a, i32 32768)51 %val = extractvalue {i32, i1} %t, 052 %obit = extractvalue {i32, i1} %t, 153 store i32 %val, ptr %res54 ret i1 %obit55}56 57; Check the high end of the negative ALHSIK range.58define zeroext i1 @f4(i32 %dummy, i32 %a, ptr %res) {59; CHECK-LABEL: f4:60; CHECK: # %bb.0:61; CHECK-NEXT: alhsik %r0, %r3, -162; CHECK-NEXT: st %r0, 0(%r4)63; CHECK-NEXT: ipm %r164; CHECK-NEXT: risbg %r2, %r1, 63, 191, 3565; CHECK-NEXT: br %r1466 %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %a, i32 -1)67 %val = extractvalue {i32, i1} %t, 068 %obit = extractvalue {i32, i1} %t, 169 store i32 %val, ptr %res70 ret i1 %obit71}72 73; Check the low end of the ALHSIK range.74define zeroext i1 @f5(i32 %dummy, i32 %a, ptr %res) {75; CHECK-LABEL: f5:76; CHECK: # %bb.0:77; CHECK-NEXT: alhsik %r0, %r3, -3276878; CHECK-NEXT: st %r0, 0(%r4)79; CHECK-NEXT: ipm %r180; CHECK-NEXT: risbg %r2, %r1, 63, 191, 3581; CHECK-NEXT: br %r1482 %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %a, i32 -32768)83 %val = extractvalue {i32, i1} %t, 084 %obit = extractvalue {i32, i1} %t, 185 store i32 %val, ptr %res86 ret i1 %obit87}88 89; Check the next value down, which must use ALFI instead.90define zeroext i1 @f6(i32 %dummy, i32 %a, ptr %res) {91; CHECK-LABEL: f6:92; CHECK: # %bb.0:93; CHECK-NEXT: alfi %r3, 429493452794; CHECK-NEXT: st %r3, 0(%r4)95; CHECK-NEXT: ipm %r096; CHECK-NEXT: risbg %r2, %r0, 63, 191, 3597; CHECK-NEXT: br %r1498 %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %a, i32 -32769)99 %val = extractvalue {i32, i1} %t, 0100 %obit = extractvalue {i32, i1} %t, 1101 store i32 %val, ptr %res102 ret i1 %obit103}104 105; Check using the overflow result for a branch.106define void @f7(i32 %dummy, i32 %a, ptr %res) {107; CHECK-LABEL: f7:108; CHECK: # %bb.0:109; CHECK-NEXT: alhsik %r0, %r3, 1110; CHECK-NEXT: st %r0, 0(%r4)111; CHECK-NEXT: jgnle foo@PLT112; CHECK-NEXT: .LBB6_1: # %exit113; CHECK-NEXT: br %r14114 %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %a, i32 1)115 %val = extractvalue {i32, i1} %t, 0116 %obit = extractvalue {i32, i1} %t, 1117 store i32 %val, ptr %res118 br i1 %obit, label %call, label %exit119 120call:121 tail call i32 @foo()122 br label %exit123 124exit:125 ret void126}127 128; ... and the same with the inverted direction.129define void @f8(i32 %dummy, i32 %a, ptr %res) {130; CHECK-LABEL: f8:131; CHECK: # %bb.0:132; CHECK-NEXT: alhsik %r0, %r3, 1133; CHECK-NEXT: st %r0, 0(%r4)134; CHECK-NEXT: jgle foo@PLT135; CHECK-NEXT: .LBB7_1: # %exit136; CHECK-NEXT: br %r14137 %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %a, i32 1)138 %val = extractvalue {i32, i1} %t, 0139 %obit = extractvalue {i32, i1} %t, 1140 store i32 %val, ptr %res141 br i1 %obit, label %exit, label %call142 143call:144 tail call i32 @foo()145 br label %exit146 147exit:148 ret void149}150 151 152declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32) nounwind readnone153 154