| ; 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, <i32 511, i32 1234> |
| 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, <i32 256, i32 1234> |
| 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]], <i32 1234, i32 255> |
| ; CHECK-NEXT: ret <2 x i1> [[CMP]] |
| ; |
| %xext = zext <2 x i8> %x to <2 x i32> |
| %cmp = icmp ugt <2 x i32> %xext, <i32 1234, i32 255> |
| 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, <i32 256, i32 1234> |
| 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]], <i32 511, i32 123> |
| ; CHECK-NEXT: ret <2 x i1> [[CMP]] |
| ; |
| %xext = zext <2 x i8> %x to <2 x i32> |
| %cmp = icmp eq <2 x i32> %xext, <i32 511, i32 123> |
| 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]], <i32 254, i32 123> |
| ; CHECK-NEXT: ret <2 x i1> [[CMP]] |
| ; |
| %xext = zext <2 x i8> %x to <2 x i32> |
| %cmp = icmp eq <2 x i32> %xext, <i32 254, i32 123> |
| 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> <i1 true, i1 true> |
| ; |
| %xext = zext <2 x i8> %x to <2 x i32> |
| %cmp = icmp ne <2 x i32> %xext, <i32 256, i32 1234> |
| 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> <i1 true, i1 true> |
| ; |
| %xext = zext <2 x i8> %x to <2 x i32> |
| %cmp = icmp ult <2 x i32> %xext, <i32 256, i32 1234> |
| 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> <i1 true, i1 true> |
| ; |
| %xext = zext <2 x i8> %x to <2 x i32> |
| %cmp = icmp ule <2 x i32> %xext, <i32 256, i32 -1> |
| 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]], <i32 256, i32 123> |
| ; CHECK-NEXT: ret <2 x i1> [[CMP]] |
| ; |
| %xext = zext <2 x i8> %x to <2 x i32> |
| %cmp = icmp ne <2 x i32> %xext, <i32 256, i32 123> |
| 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]], <i32 1, i32 123> |
| ; CHECK-NEXT: ret <2 x i1> [[CMP]] |
| ; |
| %xext = zext <2 x i8> %x to <2 x i32> |
| %cmp = icmp ne <2 x i32> %xext, <i32 1, i32 123> |
| 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> <i1 false, i1 true> |
| ; |
| %xext = zext <2 x i8> %x to <2 x i32> |
| %cmp = icmp sge <2 x i32> %xext, <i32 257, i32 -450> |
| 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, <i32 -256, i32 -450> |
| 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, <i32 255, i32 129> |
| 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]], <i32 255, i32 -1> |
| ; CHECK-NEXT: ret <2 x i1> [[CMP]] |
| ; |
| %xext = sext <2 x i8> %x to <2 x i32> |
| %cmp = icmp eq <2 x i32> %xext, <i32 255, i32 -1> |
| 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> <i1 true, i1 true> |
| ; |
| %xext = sext <2 x i8> %x to <2 x i32> |
| %cmp = icmp ne <2 x i32> %xext, <i32 199, i32 1234> |
| 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> <i1 true, i1 false> |
| ; |
| %xext = sext <2 x i8> %x to <2 x i32> |
| %cmp = icmp sgt <2 x i32> %xext, <i32 -250, i32 450> |
| 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> <i1 true, i1 false> |
| ; |
| %xext = sext <2 x i8> %x to <2 x i32> |
| %cmp = icmp slt <2 x i32> %xext, <i32 257, i32 -450> |
| ret <2 x i1> %cmp |
| } |