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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.3;4; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s5 6declare i32 @foo()7 8; Check addition of 1.9define zeroext i1 @f1(i32 %dummy, i32 %a, ptr %res) {10; CHECK-LABEL: f1:11; CHECK: # %bb.0:12; CHECK-NEXT: alfi %r3, 113; CHECK-NEXT: ipm %r014; CHECK-NEXT: risbg %r2, %r0, 63, 191, 3515; CHECK-NEXT: st %r3, 0(%r4)16; CHECK-NEXT: br %r1417 %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %a, i32 1)18 %val = extractvalue {i32, i1} %t, 019 %obit = extractvalue {i32, i1} %t, 120 store i32 %val, ptr %res21 ret i1 %obit22}23 24; Check the high end of the ALFI range.25define zeroext i1 @f2(i32 %dummy, i32 %a, ptr %res) {26; CHECK-LABEL: f2:27; CHECK: # %bb.0:28; CHECK-NEXT: alfi %r3, 429496729529; CHECK-NEXT: ipm %r030; CHECK-NEXT: risbg %r2, %r0, 63, 191, 3531; CHECK-NEXT: st %r3, 0(%r4)32; CHECK-NEXT: br %r1433 %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %a, i32 4294967295)34 %val = extractvalue {i32, i1} %t, 035 %obit = extractvalue {i32, i1} %t, 136 store i32 %val, ptr %res37 ret i1 %obit38}39 40; Check that negative values are treated as unsigned41define zeroext i1 @f3(i32 %dummy, i32 %a, ptr %res) {42; CHECK-LABEL: f3:43; CHECK: # %bb.0:44; CHECK-NEXT: alfi %r3, 429496729545; CHECK-NEXT: ipm %r046; CHECK-NEXT: risbg %r2, %r0, 63, 191, 3547; CHECK-NEXT: st %r3, 0(%r4)48; CHECK-NEXT: br %r1449 %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %a, i32 -1)50 %val = extractvalue {i32, i1} %t, 051 %obit = extractvalue {i32, i1} %t, 152 store i32 %val, ptr %res53 ret i1 %obit54}55 56; Check using the overflow result for a branch.57define void @f4(i32 %dummy, i32 %a, ptr %res) {58; CHECK-LABEL: f4:59; CHECK: # %bb.0:60; CHECK-NEXT: alfi %r3, 161; CHECK-NEXT: st %r3, 0(%r4)62; CHECK-NEXT: jgnle foo@PLT63; CHECK-NEXT: .LBB3_1: # %exit64; CHECK-NEXT: br %r1465 %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %a, i32 1)66 %val = extractvalue {i32, i1} %t, 067 %obit = extractvalue {i32, i1} %t, 168 store i32 %val, ptr %res69 br i1 %obit, label %call, label %exit70 71call:72 tail call i32 @foo()73 br label %exit74 75exit:76 ret void77}78 79; ... and the same with the inverted direction.80define void @f5(i32 %dummy, i32 %a, ptr %res) {81; CHECK-LABEL: f5:82; CHECK: # %bb.0:83; CHECK-NEXT: alfi %r3, 184; CHECK-NEXT: st %r3, 0(%r4)85; CHECK-NEXT: jgle foo@PLT86; CHECK-NEXT: .LBB4_1: # %exit87; CHECK-NEXT: br %r1488 %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %a, i32 1)89 %val = extractvalue {i32, i1} %t, 090 %obit = extractvalue {i32, i1} %t, 191 store i32 %val, ptr %res92 br i1 %obit, label %exit, label %call93 94call:95 tail call i32 @foo()96 br label %exit97 98exit:99 ret void100}101 102declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32) nounwind readnone103 104