; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instsimplify -S | FileCheck %s define i32 @select_or_icmp(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_or_icmp( ; CHECK-NEXT: ret i32 [[Z:%.*]] ; %A = icmp ne i32 %x, %z %B = icmp ne i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %z, i32 %x ret i32 %D } define <2 x i8> @select_or_icmp_vec(<2 x i8> %x, <2 x i8> %y, <2 x i8> %z) { ; CHECK-LABEL: @select_or_icmp_vec( ; CHECK-NEXT: ret <2 x i8> [[Z:%.*]] ; %A = icmp ne <2 x i8> %x, %z %B = icmp ne <2 x i8> %y, %z %C = or <2 x i1> %A, %B %D = select <2 x i1> %C, <2 x i8> %z, <2 x i8> %x ret <2 x i8> %D } define i32 @select_or_icmp2(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_or_icmp2( ; CHECK-NEXT: ret i32 [[Z:%.*]] ; %A = icmp ne i32 %x, %z %B = icmp ne i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %z, i32 %y ret i32 %D } define i32 @select_or_icmp_alt(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_or_icmp_alt( ; CHECK-NEXT: ret i32 [[X:%.*]] ; %A = icmp ne i32 %x, %z %B = icmp ne i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %x, i32 %z ret i32 %D } define i32 @select_or_icmp_alt2(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_or_icmp_alt2( ; CHECK-NEXT: ret i32 [[Y:%.*]] ; %A = icmp ne i32 %x, %z %B = icmp ne i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %y, i32 %z ret i32 %D } define i32 @select_or_icmp_inv_alt(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_or_icmp_inv_alt( ; CHECK-NEXT: ret i32 [[X:%.*]] ; %A = icmp ne i32 %z, %x %B = icmp ne i32 %z, %y %C = or i1 %A, %B %D = select i1 %C, i32 %x, i32 %z ret i32 %D } define i32 @select_or_inv_icmp_alt(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_or_inv_icmp_alt( ; CHECK-NEXT: ret i32 [[X:%.*]] ; %A = icmp ne i32 %z, %x %B = icmp ne i32 %z, %y %C = or i1 %B, %A %D = select i1 %C, i32 %x, i32 %z ret i32 %D } define <2 x i8> @select_or_icmp_alt_vec(<2 x i8> %x, <2 x i8> %y, <2 x i8> %z) { ; CHECK-LABEL: @select_or_icmp_alt_vec( ; CHECK-NEXT: ret <2 x i8> [[X:%.*]] ; %A = icmp ne <2 x i8> %x, %z %B = icmp ne <2 x i8> %y, %z %C = or <2 x i1> %A, %B %D = select <2 x i1> %C, <2 x i8> %x, <2 x i8> %z ret <2 x i8> %D } define i32 @select_or_inv_icmp(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_or_inv_icmp( ; CHECK-NEXT: ret i32 [[Z:%.*]] ; %A = icmp ne i32 %x, %z %B = icmp ne i32 %y, %z %C = or i1 %B , %A %D = select i1 %C, i32 %z, i32 %x ret i32 %D } define i32 @select_or_icmp_inv(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_or_icmp_inv( ; CHECK-NEXT: ret i32 [[Z:%.*]] ; %A = icmp ne i32 %z, %x %B = icmp ne i32 %z, %y %C = or i1 %A, %B %D = select i1 %C, i32 %z, i32 %x ret i32 %D } ; Negative tests define i32 @select_and_icmp_pred_bad_1(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_and_icmp_pred_bad_1( ; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], [[Z:%.*]] ; CHECK-NEXT: [[B:%.*]] = icmp ne i32 [[Y:%.*]], [[Z]] ; CHECK-NEXT: [[C:%.*]] = or i1 [[A]], [[B]] ; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[Z]], i32 [[X]] ; CHECK-NEXT: ret i32 [[D]] ; %A = icmp eq i32 %x, %z %B = icmp ne i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %z, i32 %x ret i32 %D } define i32 @select_and_icmp_pred_bad_2(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_and_icmp_pred_bad_2( ; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X:%.*]], [[Z:%.*]] ; CHECK-NEXT: [[B:%.*]] = icmp eq i32 [[Y:%.*]], [[Z]] ; CHECK-NEXT: [[C:%.*]] = or i1 [[A]], [[B]] ; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[Z]], i32 [[X]] ; CHECK-NEXT: ret i32 [[D]] ; %A = icmp ne i32 %x, %z %B = icmp eq i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %z, i32 %x ret i32 %D } define i32 @select_and_icmp_pred_bad_3(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_and_icmp_pred_bad_3( ; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], [[Z:%.*]] ; CHECK-NEXT: [[B:%.*]] = icmp eq i32 [[Y:%.*]], [[Z]] ; CHECK-NEXT: [[C:%.*]] = or i1 [[A]], [[B]] ; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[Z]], i32 [[X]] ; CHECK-NEXT: ret i32 [[D]] ; %A = icmp eq i32 %x, %z %B = icmp eq i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %z, i32 %x ret i32 %D } define i32 @select_and_icmp_pred_bad_4(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_and_icmp_pred_bad_4( ; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X:%.*]], [[Z:%.*]] ; CHECK-NEXT: [[B:%.*]] = icmp ne i32 [[Y:%.*]], [[Z]] ; CHECK-NEXT: [[C:%.*]] = and i1 [[A]], [[B]] ; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[Z]], i32 [[X]] ; CHECK-NEXT: ret i32 [[D]] ; %A = icmp ne i32 %x, %z %B = icmp ne i32 %y, %z %C = and i1 %A, %B %D = select i1 %C, i32 %z, i32 %x ret i32 %D } define i32 @select_or_icmp_bad_true_val(i32 %x, i32 %y, i32 %z, i32 %k) { ; CHECK-LABEL: @select_or_icmp_bad_true_val( ; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X:%.*]], [[Z:%.*]] ; CHECK-NEXT: [[B:%.*]] = icmp ne i32 [[Y:%.*]], [[Z]] ; CHECK-NEXT: [[C:%.*]] = or i1 [[A]], [[B]] ; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[K:%.*]], i32 [[X]] ; CHECK-NEXT: ret i32 [[D]] ; %A = icmp ne i32 %x, %z %B = icmp ne i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %k, i32 %x ret i32 %D } define i32 @select_or_icmp_bad_false_val(i32 %x, i32 %y, i32 %z, i32 %k) { ; CHECK-LABEL: @select_or_icmp_bad_false_val( ; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X:%.*]], [[Z:%.*]] ; CHECK-NEXT: [[B:%.*]] = icmp ne i32 [[Y:%.*]], [[Z]] ; CHECK-NEXT: [[C:%.*]] = or i1 [[A]], [[B]] ; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[Z]], i32 [[K:%.*]] ; CHECK-NEXT: ret i32 [[D]] ; %A = icmp ne i32 %x, %z %B = icmp ne i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %z, i32 %k ret i32 %D } define i32 @select_or_icmp_bad_op(i32 %x, i32 %y, i32 %z, i32 %k) { ; CHECK-LABEL: @select_or_icmp_bad_op( ; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[K:%.*]], [[Z:%.*]] ; CHECK-NEXT: [[B:%.*]] = icmp ne i32 [[Y:%.*]], [[Z]] ; CHECK-NEXT: [[C:%.*]] = or i1 [[A]], [[B]] ; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[Z]], i32 [[X:%.*]] ; CHECK-NEXT: ret i32 [[D]] ; %A = icmp ne i32 %k, %z %B = icmp ne i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %z, i32 %x ret i32 %D } define i32 @select_or_icmp_bad_op_2(i32 %x, i32 %y, i32 %z, i32 %k) { ; CHECK-LABEL: @select_or_icmp_bad_op_2( ; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X:%.*]], [[K:%.*]] ; CHECK-NEXT: [[B:%.*]] = icmp ne i32 [[Y:%.*]], [[Z:%.*]] ; CHECK-NEXT: [[C:%.*]] = or i1 [[A]], [[B]] ; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[Z]], i32 [[X]] ; CHECK-NEXT: ret i32 [[D]] ; %A = icmp ne i32 %x, %k %B = icmp ne i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %z, i32 %x ret i32 %D } define i32 @select_or_icmp_alt_bad_1(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_or_icmp_alt_bad_1( ; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], [[Z:%.*]] ; CHECK-NEXT: [[B:%.*]] = icmp ne i32 [[Y:%.*]], [[Z]] ; CHECK-NEXT: [[C:%.*]] = or i1 [[A]], [[B]] ; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[X]], i32 [[Z]] ; CHECK-NEXT: ret i32 [[D]] ; %A = icmp eq i32 %x, %z %B = icmp ne i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %x, i32 %z ret i32 %D } define i32 @select_or_icmp_alt_bad_2(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_or_icmp_alt_bad_2( ; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X:%.*]], [[Z:%.*]] ; CHECK-NEXT: [[B:%.*]] = icmp eq i32 [[Y:%.*]], [[Z]] ; CHECK-NEXT: [[C:%.*]] = or i1 [[A]], [[B]] ; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[X]], i32 [[Z]] ; CHECK-NEXT: ret i32 [[D]] ; %A = icmp ne i32 %x, %z %B = icmp eq i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %x, i32 %z ret i32 %D } define i32 @select_or_icmp_alt_bad_3(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_or_icmp_alt_bad_3( ; CHECK-NEXT: [[A:%.*]] = icmp eq i32 [[X:%.*]], [[Z:%.*]] ; CHECK-NEXT: [[B:%.*]] = icmp eq i32 [[Y:%.*]], [[Z]] ; CHECK-NEXT: [[C:%.*]] = or i1 [[A]], [[B]] ; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[X]], i32 [[Z]] ; CHECK-NEXT: ret i32 [[D]] ; %A = icmp eq i32 %x, %z %B = icmp eq i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %x, i32 %z ret i32 %D } define i32 @select_or_icmp_alt_bad_4(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: @select_or_icmp_alt_bad_4( ; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X:%.*]], [[Z:%.*]] ; CHECK-NEXT: [[B:%.*]] = icmp ne i32 [[Y:%.*]], [[Z]] ; CHECK-NEXT: [[C:%.*]] = and i1 [[A]], [[B]] ; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[X]], i32 [[Z]] ; CHECK-NEXT: ret i32 [[D]] ; %A = icmp ne i32 %x, %z %B = icmp ne i32 %y, %z %C = and i1 %A, %B %D = select i1 %C, i32 %x, i32 %z ret i32 %D } define i32 @select_or_icmp_alt_bad_5(i32 %x, i32 %y, i32 %z, i32 %k) { ; CHECK-LABEL: @select_or_icmp_alt_bad_5( ; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X:%.*]], [[K:%.*]] ; CHECK-NEXT: [[B:%.*]] = icmp ne i32 [[Y:%.*]], [[Z:%.*]] ; CHECK-NEXT: [[C:%.*]] = or i1 [[A]], [[B]] ; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[X]], i32 [[Z]] ; CHECK-NEXT: ret i32 [[D]] ; %A = icmp ne i32 %x, %k %B = icmp ne i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %x, i32 %z ret i32 %D } define i32 @select_or_icmp_alt_bad_true_val(i32 %x, i32 %y, i32 %z, i32 %k) { ; CHECK-LABEL: @select_or_icmp_alt_bad_true_val( ; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X:%.*]], [[Z:%.*]] ; CHECK-NEXT: [[B:%.*]] = icmp ne i32 [[Y:%.*]], [[Z]] ; CHECK-NEXT: [[C:%.*]] = or i1 [[A]], [[B]] ; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[K:%.*]], i32 [[Z]] ; CHECK-NEXT: ret i32 [[D]] ; %A = icmp ne i32 %x, %z %B = icmp ne i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %k, i32 %z ret i32 %D } define i32 @select_or_icmp_alt_bad_false_val(i32 %x, i32 %y, i32 %z, i32 %k) { ; CHECK-LABEL: @select_or_icmp_alt_bad_false_val( ; CHECK-NEXT: [[A:%.*]] = icmp ne i32 [[X:%.*]], [[Z:%.*]] ; CHECK-NEXT: [[B:%.*]] = icmp ne i32 [[Y:%.*]], [[Z]] ; CHECK-NEXT: [[C:%.*]] = or i1 [[A]], [[B]] ; CHECK-NEXT: [[D:%.*]] = select i1 [[C]], i32 [[X]], i32 [[K:%.*]] ; CHECK-NEXT: ret i32 [[D]] ; %A = icmp ne i32 %x, %z %B = icmp ne i32 %y, %z %C = or i1 %A, %B %D = select i1 %C, i32 %x, i32 %k ret i32 %D }