; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -indvars -S | FileCheck %s define i32 @logical_and_2ops(i32 %n, i32 %m) { ; CHECK-LABEL: @logical_and_2ops( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[I:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[I_NEXT:%.*]], [[LOOP]] ] ; CHECK-NEXT: [[I_NEXT]] = add i32 [[I]], 1 ; CHECK-NEXT: [[COND_P0:%.*]] = icmp ult i32 [[I]], [[N:%.*]] ; CHECK-NEXT: [[COND_P1:%.*]] = icmp ult i32 [[I]], [[M:%.*]] ; CHECK-NEXT: [[COND:%.*]] = select i1 [[COND_P0]], i1 [[COND_P1]], i1 false ; CHECK-NEXT: br i1 [[COND]], label [[LOOP]], label [[EXIT:%.*]] ; CHECK: exit: ; CHECK-NEXT: [[I_LCSSA:%.*]] = phi i32 [ [[I]], [[LOOP]] ] ; CHECK-NEXT: ret i32 [[I_LCSSA]] ; entry: br label %loop loop: %i = phi i32 [0, %entry], [%i.next, %loop] %i.next = add i32 %i, 1 %cond_p0 = icmp ult i32 %i, %n %cond_p1 = icmp ult i32 %i, %m %cond = select i1 %cond_p0, i1 %cond_p1, i1 false br i1 %cond, label %loop, label %exit exit: ret i32 %i } define i32 @logical_or_2ops(i32 %n, i32 %m) { ; CHECK-LABEL: @logical_or_2ops( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[I:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[I_NEXT:%.*]], [[LOOP]] ] ; CHECK-NEXT: [[I_NEXT]] = add i32 [[I]], 1 ; CHECK-NEXT: [[COND_P0:%.*]] = icmp uge i32 [[I]], [[N:%.*]] ; CHECK-NEXT: [[COND_P1:%.*]] = icmp uge i32 [[I]], [[M:%.*]] ; CHECK-NEXT: [[COND:%.*]] = select i1 [[COND_P0]], i1 true, i1 [[COND_P1]] ; CHECK-NEXT: br i1 [[COND]], label [[EXIT:%.*]], label [[LOOP]] ; CHECK: exit: ; CHECK-NEXT: [[I_LCSSA:%.*]] = phi i32 [ [[I]], [[LOOP]] ] ; CHECK-NEXT: ret i32 [[I_LCSSA]] ; entry: br label %loop loop: %i = phi i32 [0, %entry], [%i.next, %loop] %i.next = add i32 %i, 1 %cond_p0 = icmp uge i32 %i, %n %cond_p1 = icmp uge i32 %i, %m %cond = select i1 %cond_p0, i1 true, i1 %cond_p1 br i1 %cond, label %exit, label %loop exit: ret i32 %i } define i32 @logical_and_3ops(i32 %n, i32 %m, i32 %k) { ; CHECK-LABEL: @logical_and_3ops( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[I:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[I_NEXT:%.*]], [[LOOP]] ] ; CHECK-NEXT: [[I_NEXT]] = add i32 [[I]], 1 ; CHECK-NEXT: [[COND_P0:%.*]] = icmp ult i32 [[I]], [[N:%.*]] ; CHECK-NEXT: [[COND_P1:%.*]] = icmp ult i32 [[I]], [[M:%.*]] ; CHECK-NEXT: [[COND_P2:%.*]] = icmp ult i32 [[I]], [[K:%.*]] ; CHECK-NEXT: [[COND_P3:%.*]] = select i1 [[COND_P0]], i1 [[COND_P1]], i1 false ; CHECK-NEXT: [[COND:%.*]] = select i1 [[COND_P3]], i1 [[COND_P2]], i1 false ; CHECK-NEXT: br i1 [[COND]], label [[LOOP]], label [[EXIT:%.*]] ; CHECK: exit: ; CHECK-NEXT: [[I_LCSSA:%.*]] = phi i32 [ [[I]], [[LOOP]] ] ; CHECK-NEXT: ret i32 [[I_LCSSA]] ; entry: br label %loop loop: %i = phi i32 [0, %entry], [%i.next, %loop] %i.next = add i32 %i, 1 %cond_p0 = icmp ult i32 %i, %n %cond_p1 = icmp ult i32 %i, %m %cond_p2 = icmp ult i32 %i, %k %cond_p3 = select i1 %cond_p0, i1 %cond_p1, i1 false %cond = select i1 %cond_p3, i1 %cond_p2, i1 false br i1 %cond, label %loop, label %exit exit: ret i32 %i } define i32 @logical_or_3ops(i32 %n, i32 %m, i32 %k) { ; CHECK-LABEL: @logical_or_3ops( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[I:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[I_NEXT:%.*]], [[LOOP]] ] ; CHECK-NEXT: [[I_NEXT]] = add i32 [[I]], 1 ; CHECK-NEXT: [[COND_P0:%.*]] = icmp uge i32 [[I]], [[N:%.*]] ; CHECK-NEXT: [[COND_P1:%.*]] = icmp uge i32 [[I]], [[M:%.*]] ; CHECK-NEXT: [[COND_P2:%.*]] = icmp uge i32 [[I]], [[K:%.*]] ; CHECK-NEXT: [[COND_P3:%.*]] = select i1 [[COND_P0]], i1 true, i1 [[COND_P1]] ; CHECK-NEXT: [[COND:%.*]] = select i1 [[COND_P3]], i1 true, i1 [[COND_P2]] ; CHECK-NEXT: br i1 [[COND]], label [[EXIT:%.*]], label [[LOOP]] ; CHECK: exit: ; CHECK-NEXT: [[I_LCSSA:%.*]] = phi i32 [ [[I]], [[LOOP]] ] ; CHECK-NEXT: ret i32 [[I_LCSSA]] ; entry: br label %loop loop: %i = phi i32 [0, %entry], [%i.next, %loop] %i.next = add i32 %i, 1 %cond_p0 = icmp uge i32 %i, %n %cond_p1 = icmp uge i32 %i, %m %cond_p2 = icmp uge i32 %i, %k %cond_p3 = select i1 %cond_p0, i1 true, i1 %cond_p1 %cond = select i1 %cond_p3, i1 true, i1 %cond_p2 br i1 %cond, label %exit, label %loop exit: ret i32 %i }