| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -passes=instsimplify < %s | FileCheck %s |
| |
| define i1 @or_implied(i8 %x, i1 %c) { |
| ; CHECK-LABEL: @or_implied( |
| ; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i8 [[X:%.*]], 1 |
| ; CHECK-NEXT: ret i1 [[CMP2]] |
| ; |
| %cmp = icmp eq i8 %x, 0 |
| %cmp2 = icmp ne i8 %x, 1 |
| %and = and i1 %cmp, %c |
| %or = or i1 %and, %cmp2 |
| ret i1 %or |
| } |
| |
| define i1 @or_implied_comm1(i8 %x, i1 %c) { |
| ; CHECK-LABEL: @or_implied_comm1( |
| ; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i8 [[X:%.*]], 1 |
| ; CHECK-NEXT: ret i1 [[CMP2]] |
| ; |
| %cmp = icmp eq i8 %x, 0 |
| %cmp2 = icmp ne i8 %x, 1 |
| %and = and i1 %cmp, %c |
| %or = or i1 %cmp2, %and |
| ret i1 %or |
| } |
| |
| define i1 @or_implied_comm2(i8 %x, i1 %c) { |
| ; CHECK-LABEL: @or_implied_comm2( |
| ; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i8 [[X:%.*]], 1 |
| ; CHECK-NEXT: ret i1 [[CMP2]] |
| ; |
| %cmp = icmp eq i8 %x, 0 |
| %cmp2 = icmp ne i8 %x, 1 |
| %and = and i1 %c, %cmp |
| %or = or i1 %and, %cmp2 |
| ret i1 %or |
| } |
| |
| define i1 @or_implied_comm3(i8 %x, i1 %c) { |
| ; CHECK-LABEL: @or_implied_comm3( |
| ; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i8 [[X:%.*]], 1 |
| ; CHECK-NEXT: ret i1 [[CMP2]] |
| ; |
| %cmp = icmp eq i8 %x, 0 |
| %cmp2 = icmp ne i8 %x, 1 |
| %and = and i1 %c, %cmp |
| %or = or i1 %cmp2, %and |
| ret i1 %or |
| } |
| |
| define i1 @or_not_implied(i8 %x, i1 %c) { |
| ; CHECK-LABEL: @or_not_implied( |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[X:%.*]], 0 |
| ; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i8 [[X]], 0 |
| ; CHECK-NEXT: [[AND:%.*]] = and i1 [[CMP]], [[C:%.*]] |
| ; CHECK-NEXT: [[OR:%.*]] = or i1 [[AND]], [[CMP2]] |
| ; CHECK-NEXT: ret i1 [[OR]] |
| ; |
| %cmp = icmp eq i8 %x, 0 |
| %cmp2 = icmp ne i8 %x, 0 |
| %and = and i1 %cmp, %c |
| %or = or i1 %and, %cmp2 |
| ret i1 %or |
| } |
| |
| define i1 @and_implied(i8 %x, i1 %c) { |
| ; CHECK-LABEL: @and_implied( |
| ; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[X:%.*]], 1 |
| ; CHECK-NEXT: ret i1 [[CMP2]] |
| ; |
| %cmp = icmp ne i8 %x, 0 |
| %cmp2 = icmp eq i8 %x, 1 |
| %or = or i1 %cmp, %c |
| %and = and i1 %or, %cmp2 |
| ret i1 %and |
| } |
| |
| define i1 @and_implied_comm1(i8 %x, i1 %c) { |
| ; CHECK-LABEL: @and_implied_comm1( |
| ; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[X:%.*]], 1 |
| ; CHECK-NEXT: ret i1 [[CMP2]] |
| ; |
| %cmp = icmp ne i8 %x, 0 |
| %cmp2 = icmp eq i8 %x, 1 |
| %or = or i1 %cmp, %c |
| %and = and i1 %cmp2, %or |
| ret i1 %and |
| } |
| |
| define i1 @and_implied_comm2(i8 %x, i1 %c) { |
| ; CHECK-LABEL: @and_implied_comm2( |
| ; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[X:%.*]], 1 |
| ; CHECK-NEXT: ret i1 [[CMP2]] |
| ; |
| %cmp = icmp ne i8 %x, 0 |
| %cmp2 = icmp eq i8 %x, 1 |
| %or = or i1 %c, %cmp |
| %and = and i1 %or, %cmp2 |
| ret i1 %and |
| } |
| |
| define i1 @and_implied_comm3(i8 %x, i1 %c) { |
| ; CHECK-LABEL: @and_implied_comm3( |
| ; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[X:%.*]], 1 |
| ; CHECK-NEXT: ret i1 [[CMP2]] |
| ; |
| %cmp = icmp ne i8 %x, 0 |
| %cmp2 = icmp eq i8 %x, 1 |
| %or = or i1 %c, %cmp |
| %and = and i1 %cmp2, %or |
| ret i1 %and |
| } |
| |
| define i1 @and_not_implied(i8 %x, i1 %c) { |
| ; CHECK-LABEL: @and_not_implied( |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i8 [[X:%.*]], 0 |
| ; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[X]], 0 |
| ; CHECK-NEXT: [[OR:%.*]] = or i1 [[CMP]], [[C:%.*]] |
| ; CHECK-NEXT: [[AND:%.*]] = and i1 [[OR]], [[CMP2]] |
| ; CHECK-NEXT: ret i1 [[AND]] |
| ; |
| %cmp = icmp ne i8 %x, 0 |
| %cmp2 = icmp eq i8 %x, 0 |
| %or = or i1 %cmp, %c |
| %and = and i1 %or, %cmp2 |
| ret i1 %and |
| } |
| |
| define i1 @uaddo_and(i64 %a, i64 %b){ |
| ; CHECK-LABEL: @uaddo_and( |
| ; CHECK-NEXT: [[S:%.*]] = add i64 [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[COND_A:%.*]] = icmp uge i64 [[S]], [[A]] |
| ; CHECK-NEXT: ret i1 [[COND_A]] |
| ; |
| %s = add i64 %a, %b |
| %cond_a = icmp uge i64 %s, %a |
| %cond_b = icmp uge i64 %s, %b |
| %cond = and i1 %cond_a, %cond_b |
| ret i1 %cond |
| } |
| |
| define i1 @uaddo_and_commuted1(i64 %a, i64 %b){ |
| ; CHECK-LABEL: @uaddo_and_commuted1( |
| ; CHECK-NEXT: [[S:%.*]] = add i64 [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[COND_A:%.*]] = icmp ule i64 [[A]], [[S]] |
| ; CHECK-NEXT: ret i1 [[COND_A]] |
| ; |
| %s = add i64 %a, %b |
| %cond_a = icmp ule i64 %a, %s |
| %cond_b = icmp uge i64 %s, %b |
| %cond = and i1 %cond_a, %cond_b |
| ret i1 %cond |
| } |
| |
| define i1 @uaddo_and_commuted2(i64 %a, i64 %b){ |
| ; CHECK-LABEL: @uaddo_and_commuted2( |
| ; CHECK-NEXT: [[S:%.*]] = add i64 [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[COND_A:%.*]] = icmp uge i64 [[S]], [[A]] |
| ; CHECK-NEXT: ret i1 [[COND_A]] |
| ; |
| %s = add i64 %a, %b |
| %cond_a = icmp uge i64 %s, %a |
| %cond_b = icmp ule i64 %b, %s |
| %cond = and i1 %cond_a, %cond_b |
| ret i1 %cond |
| } |
| |
| define i1 @uaddo_and_commuted3(i64 %a, i64 %b){ |
| ; CHECK-LABEL: @uaddo_and_commuted3( |
| ; CHECK-NEXT: [[S:%.*]] = add i64 [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[COND_A:%.*]] = icmp ule i64 [[A]], [[S]] |
| ; CHECK-NEXT: ret i1 [[COND_A]] |
| ; |
| %s = add i64 %a, %b |
| %cond_a = icmp ule i64 %a, %s |
| %cond_b = icmp ule i64 %b, %s |
| %cond = and i1 %cond_a, %cond_b |
| ret i1 %cond |
| } |
| |
| define i1 @uaddo_or(i64 %a, i64 %b){ |
| ; CHECK-LABEL: @uaddo_or( |
| ; CHECK-NEXT: [[S:%.*]] = add i64 [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[COND_A:%.*]] = icmp ult i64 [[S]], [[A]] |
| ; CHECK-NEXT: ret i1 [[COND_A]] |
| ; |
| %s = add i64 %a, %b |
| %cond_a = icmp ult i64 %s, %a |
| %cond_b = icmp ult i64 %s, %b |
| %cond = or i1 %cond_a, %cond_b |
| ret i1 %cond |
| } |
| |
| define i1 @uaddo_or_commuted1(i64 %a, i64 %b){ |
| ; CHECK-LABEL: @uaddo_or_commuted1( |
| ; CHECK-NEXT: [[S:%.*]] = add i64 [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[COND_A:%.*]] = icmp ugt i64 [[A]], [[S]] |
| ; CHECK-NEXT: ret i1 [[COND_A]] |
| ; |
| %s = add i64 %a, %b |
| %cond_a = icmp ugt i64 %a, %s |
| %cond_b = icmp ult i64 %s, %b |
| %cond = or i1 %cond_a, %cond_b |
| ret i1 %cond |
| } |
| |
| define i1 @uaddo_or_commuted2(i64 %a, i64 %b){ |
| ; CHECK-LABEL: @uaddo_or_commuted2( |
| ; CHECK-NEXT: [[S:%.*]] = add i64 [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[COND_A:%.*]] = icmp ult i64 [[S]], [[A]] |
| ; CHECK-NEXT: ret i1 [[COND_A]] |
| ; |
| %s = add i64 %a, %b |
| %cond_a = icmp ult i64 %s, %a |
| %cond_b = icmp ugt i64 %b, %s |
| %cond = or i1 %cond_a, %cond_b |
| ret i1 %cond |
| } |
| |
| define i1 @uaddo_or_commuted3(i64 %a, i64 %b){ |
| ; CHECK-LABEL: @uaddo_or_commuted3( |
| ; CHECK-NEXT: [[S:%.*]] = add i64 [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[COND_A:%.*]] = icmp ugt i64 [[A]], [[S]] |
| ; CHECK-NEXT: ret i1 [[COND_A]] |
| ; |
| %s = add i64 %a, %b |
| %cond_a = icmp ugt i64 %a, %s |
| %cond_b = icmp ugt i64 %b, %s |
| %cond = or i1 %cond_a, %cond_b |
| ret i1 %cond |
| } |