; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instsimplify -S | FileCheck %s define <2 x i1> @icmp_eq_zext_is_false(<2 x i8> %x) { ; CHECK-LABEL: @icmp_eq_zext_is_false( ; CHECK-NEXT: ret <2 x i1> zeroinitializer ; %xext = zext <2 x i8> %x to <2 x i32> %cmp = icmp eq <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_ugt_zext_is_false(<2 x i8> %x) { ; CHECK-LABEL: @icmp_ugt_zext_is_false( ; CHECK-NEXT: ret <2 x i1> zeroinitializer ; %xext = zext <2 x i8> %x to <2 x i32> %cmp = icmp ugt <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_ugt_zext_todo_off_by1(<2 x i8> %x) { ; CHECK-LABEL: @icmp_ugt_zext_todo_off_by1( ; CHECK-NEXT: [[XEXT:%.*]] = zext <2 x i8> [[X:%.*]] to <2 x i32> ; CHECK-NEXT: [[CMP:%.*]] = icmp ugt <2 x i32> [[XEXT]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %xext = zext <2 x i8> %x to <2 x i32> %cmp = icmp ugt <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_uge_zext_is_false(<2 x i8> %x) { ; CHECK-LABEL: @icmp_uge_zext_is_false( ; CHECK-NEXT: ret <2 x i1> zeroinitializer ; %xext = zext <2 x i8> %x to <2 x i32> %cmp = icmp uge <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_eq_zext_fail(<2 x i8> %x) { ; CHECK-LABEL: @icmp_eq_zext_fail( ; CHECK-NEXT: [[XEXT:%.*]] = zext <2 x i8> [[X:%.*]] to <2 x i32> ; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i32> [[XEXT]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %xext = zext <2 x i8> %x to <2 x i32> %cmp = icmp eq <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_eq_zext_unused(<2 x i8> %x) { ; CHECK-LABEL: @icmp_eq_zext_unused( ; CHECK-NEXT: [[XEXT:%.*]] = zext <2 x i8> [[X:%.*]] to <2 x i32> ; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i32> [[XEXT]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %xext = zext <2 x i8> %x to <2 x i32> %cmp = icmp eq <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_ne_zext_is_true(<2 x i8> %x) { ; CHECK-LABEL: @icmp_ne_zext_is_true( ; CHECK-NEXT: ret <2 x i1> ; %xext = zext <2 x i8> %x to <2 x i32> %cmp = icmp ne <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_ult_zext_is_true(<2 x i8> %x) { ; CHECK-LABEL: @icmp_ult_zext_is_true( ; CHECK-NEXT: ret <2 x i1> ; %xext = zext <2 x i8> %x to <2 x i32> %cmp = icmp ult <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_ule_zext_is_true(<2 x i8> %x) { ; CHECK-LABEL: @icmp_ule_zext_is_true( ; CHECK-NEXT: ret <2 x i1> ; %xext = zext <2 x i8> %x to <2 x i32> %cmp = icmp ule <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_ne_zext_fail(<2 x i8> %x) { ; CHECK-LABEL: @icmp_ne_zext_fail( ; CHECK-NEXT: [[XEXT:%.*]] = zext <2 x i8> [[X:%.*]] to <2 x i32> ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[XEXT]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %xext = zext <2 x i8> %x to <2 x i32> %cmp = icmp ne <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_ne_zext_unused(<2 x i8> %x) { ; CHECK-LABEL: @icmp_ne_zext_unused( ; CHECK-NEXT: [[XEXT:%.*]] = zext <2 x i8> [[X:%.*]] to <2 x i32> ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[XEXT]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %xext = zext <2 x i8> %x to <2 x i32> %cmp = icmp ne <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_sge_zext_is_false_true(<2 x i8> %x) { ; CHECK-LABEL: @icmp_sge_zext_is_false_true( ; CHECK-NEXT: ret <2 x i1> ; %xext = zext <2 x i8> %x to <2 x i32> %cmp = icmp sge <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_sle_zext_is_false_false(<2 x i8> %x) { ; CHECK-LABEL: @icmp_sle_zext_is_false_false( ; CHECK-NEXT: ret <2 x i1> zeroinitializer ; %xext = zext <2 x i8> %x to <2 x i32> %cmp = icmp sle <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_eq_sext_is_false(<2 x i8> %x) { ; CHECK-LABEL: @icmp_eq_sext_is_false( ; CHECK-NEXT: ret <2 x i1> zeroinitializer ; %xext = sext <2 x i8> %x to <2 x i32> %cmp = icmp eq <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_eq_sext_fail(<2 x i8> %x) { ; CHECK-LABEL: @icmp_eq_sext_fail( ; CHECK-NEXT: [[XEXT:%.*]] = sext <2 x i8> [[X:%.*]] to <2 x i32> ; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i32> [[XEXT]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %xext = sext <2 x i8> %x to <2 x i32> %cmp = icmp eq <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_ne_sext_is_true(<2 x i8> %x) { ; CHECK-LABEL: @icmp_ne_sext_is_true( ; CHECK-NEXT: ret <2 x i1> ; %xext = sext <2 x i8> %x to <2 x i32> %cmp = icmp ne <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_sgt_sext_is_true_false(<2 x i8> %x) { ; CHECK-LABEL: @icmp_sgt_sext_is_true_false( ; CHECK-NEXT: ret <2 x i1> ; %xext = sext <2 x i8> %x to <2 x i32> %cmp = icmp sgt <2 x i32> %xext, ret <2 x i1> %cmp } define <2 x i1> @icmp_slt_sext_is_true_false(<2 x i8> %x) { ; CHECK-LABEL: @icmp_slt_sext_is_true_false( ; CHECK-NEXT: ret <2 x i1> ; %xext = sext <2 x i8> %x to <2 x i32> %cmp = icmp slt <2 x i32> %xext, ret <2 x i1> %cmp }