; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -instsimplify -S | FileCheck %s declare {i8, i1} @llvm.uadd.with.overflow.i8(i8, i8) declare {i8, i1} @llvm.usub.with.overflow.i8(i8, i8) declare {i8, i1} @llvm.umul.with.overflow.i8(i8, i8) declare {i8, i1} @llvm.sadd.with.overflow.i8(i8, i8) declare {i8, i1} @llvm.ssub.with.overflow.i8(i8, i8) declare {i8, i1} @llvm.smul.with.overflow.i8(i8, i8) ;;----------------------------- ;; uadd ;;----------------------------- define {i8, i1} @uadd_1() nounwind { ; CHECK-LABEL: @uadd_1( ; CHECK-NEXT: ret { i8, i1 } { i8 -114, i1 false } ; %t = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 42, i8 100) ret {i8, i1} %t } define {i8, i1} @uadd_2() nounwind { ; CHECK-LABEL: @uadd_2( ; CHECK-NEXT: ret { i8, i1 } { i8 6, i1 true } ; %t = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 142, i8 120) ret {i8, i1} %t } define {i8, i1} @uadd_undef() nounwind { ; CHECK-LABEL: @uadd_undef( ; CHECK-NEXT: ret { i8, i1 } { i8 undef, i1 false } ; %t = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 142, i8 undef) ret {i8, i1} %t } ;;----------------------------- ;; usub ;;----------------------------- define {i8, i1} @usub_1() nounwind { ; CHECK-LABEL: @usub_1( ; CHECK-NEXT: ret { i8, i1 } { i8 2, i1 false } ; %t = call {i8, i1} @llvm.usub.with.overflow.i8(i8 4, i8 2) ret {i8, i1} %t } define {i8, i1} @usub_2() nounwind { ; CHECK-LABEL: @usub_2( ; CHECK-NEXT: ret { i8, i1 } { i8 -2, i1 true } ; %t = call {i8, i1} @llvm.usub.with.overflow.i8(i8 4, i8 6) ret {i8, i1} %t } define {i8, i1} @usub_undef() nounwind { ; CHECK-LABEL: @usub_undef( ; CHECK-NEXT: ret { i8, i1 } { i8 undef, i1 false } ; %t = call {i8, i1} @llvm.usub.with.overflow.i8(i8 4, i8 undef) ret {i8, i1} %t } ;;----------------------------- ;; umul ;;----------------------------- define {i8, i1} @umul_1() nounwind { ; CHECK-LABEL: @umul_1( ; CHECK-NEXT: ret { i8, i1 } { i8 44, i1 true } ; %t = call {i8, i1} @llvm.umul.with.overflow.i8(i8 100, i8 3) ret {i8, i1} %t } define {i8, i1} @umul_2() nounwind { ; CHECK-LABEL: @umul_2( ; CHECK-NEXT: ret { i8, i1 } { i8 -56, i1 false } ; %t = call {i8, i1} @llvm.umul.with.overflow.i8(i8 100, i8 2) ret {i8, i1} %t } define {i8, i1} @umul_undef() nounwind { ; CHECK-LABEL: @umul_undef( ; CHECK-NEXT: ret { i8, i1 } zeroinitializer ; %t = call {i8, i1} @llvm.umul.with.overflow.i8(i8 undef, i8 2) ret {i8, i1} %t } define {i8, i1} @umul_both_undef() nounwind { ; CHECK-LABEL: @umul_both_undef( ; CHECK-NEXT: ret { i8, i1 } zeroinitializer ; %t = call {i8, i1} @llvm.umul.with.overflow.i8(i8 undef, i8 undef) ret {i8, i1} %t } ;;----------------------------- ;; sadd ;;----------------------------- define {i8, i1} @sadd_1() nounwind { ; CHECK-LABEL: @sadd_1( ; CHECK-NEXT: ret { i8, i1 } { i8 44, i1 false } ; %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 42, i8 2) ret {i8, i1} %t } define {i8, i1} @sadd_2() nounwind { ; CHECK-LABEL: @sadd_2( ; CHECK-NEXT: ret { i8, i1 } { i8 -126, i1 true } ; %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 120, i8 10) ret {i8, i1} %t } define {i8, i1} @sadd_3() nounwind { ; CHECK-LABEL: @sadd_3( ; CHECK-NEXT: ret { i8, i1 } { i8 -110, i1 false } ; %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 -120, i8 10) ret {i8, i1} %t } define {i8, i1} @sadd_4() nounwind { ; CHECK-LABEL: @sadd_4( ; CHECK-NEXT: ret { i8, i1 } { i8 126, i1 true } ; %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 -120, i8 -10) ret {i8, i1} %t } define {i8, i1} @sadd_5() nounwind { ; CHECK-LABEL: @sadd_5( ; CHECK-NEXT: ret { i8, i1 } { i8 -8, i1 false } ; %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 2, i8 -10) ret {i8, i1} %t } define {i8, i1} @sadd_undef() nounwind { ; CHECK-LABEL: @sadd_undef( ; CHECK-NEXT: ret { i8, i1 } { i8 undef, i1 false } ; %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 undef, i8 -10) ret {i8, i1} %t } ;;----------------------------- ;; ssub ;;----------------------------- define {i8, i1} @ssub_1() nounwind { ; CHECK-LABEL: @ssub_1( ; CHECK-NEXT: ret { i8, i1 } { i8 2, i1 false } ; %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 4, i8 2) ret {i8, i1} %t } define {i8, i1} @ssub_2() nounwind { ; CHECK-LABEL: @ssub_2( ; CHECK-NEXT: ret { i8, i1 } { i8 -2, i1 false } ; %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 4, i8 6) ret {i8, i1} %t } define {i8, i1} @ssub_3() nounwind { ; CHECK-LABEL: @ssub_3( ; CHECK-NEXT: ret { i8, i1 } { i8 126, i1 true } ; %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 -10, i8 120) ret {i8, i1} %t } define {i8, i1} @ssub_3b() nounwind { ; CHECK-LABEL: @ssub_3b( ; CHECK-NEXT: ret { i8, i1 } { i8 -20, i1 false } ; %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 -10, i8 10) ret {i8, i1} %t } define {i8, i1} @ssub_4() nounwind { ; CHECK-LABEL: @ssub_4( ; CHECK-NEXT: ret { i8, i1 } { i8 -126, i1 true } ; %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 120, i8 -10) ret {i8, i1} %t } define {i8, i1} @ssub_4b() nounwind { ; CHECK-LABEL: @ssub_4b( ; CHECK-NEXT: ret { i8, i1 } { i8 30, i1 false } ; %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 20, i8 -10) ret {i8, i1} %t } define {i8, i1} @ssub_5() nounwind { ; CHECK-LABEL: @ssub_5( ; CHECK-NEXT: ret { i8, i1 } { i8 -10, i1 false } ; %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 -20, i8 -10) ret {i8, i1} %t } define {i8, i1} @ssub_undef() nounwind { ; CHECK-LABEL: @ssub_undef( ; CHECK-NEXT: ret { i8, i1 } { i8 undef, i1 false } ; %t = call {i8, i1} @llvm.ssub.with.overflow.i8(i8 undef, i8 -10) ret {i8, i1} %t } ;;----------------------------- ;; smul ;;----------------------------- define {i8, i1} @smul_1() nounwind { ; CHECK-LABEL: @smul_1( ; CHECK-NEXT: ret { i8, i1 } { i8 -56, i1 true } ; %t = call {i8, i1} @llvm.smul.with.overflow.i8(i8 -20, i8 -10) ret {i8, i1} %t } define {i8, i1} @smul_undef() nounwind { ; CHECK-LABEL: @smul_undef( ; CHECK-NEXT: ret { i8, i1 } zeroinitializer ; %t = call {i8, i1} @llvm.smul.with.overflow.i8(i8 -20, i8 undef) ret {i8, i1} %t } define {i8, i1} @smul_both_undef() nounwind { ; CHECK-LABEL: @smul_both_undef( ; CHECK-NEXT: ret { i8, i1 } zeroinitializer ; %t = call {i8, i1} @llvm.smul.with.overflow.i8(i8 undef, i8 undef) ret {i8, i1} %t }