| ; 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 |
| } |