; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=licm -S | FileCheck %s declare void @maythrow() declare void @use(i16) define void @sdiv_not_ok(i16 %n, i16 %xx) { ; CHECK-LABEL: @sdiv_not_ok( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[X:%.*]] = or i16 [[XX:%.*]], 1 ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: call void @maythrow() ; CHECK-NEXT: [[DIV:%.*]] = sdiv i16 [[N:%.*]], [[X]] ; CHECK-NEXT: call void @use(i16 [[DIV]]) ; CHECK-NEXT: br label [[LOOP]] ; entry: %x = or i16 %xx, 1 br label %loop loop: call void @maythrow() %div = sdiv i16 %n, %x call void @use(i16 %div) br label %loop } define void @srem_not_ok2(i16 %nn, i16 %x) { ; CHECK-LABEL: @srem_not_ok2( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[N:%.*]] = and i16 [[NN:%.*]], 1323 ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: call void @maythrow() ; CHECK-NEXT: [[DIV:%.*]] = srem i16 [[N]], [[X:%.*]] ; CHECK-NEXT: call void @use(i16 [[DIV]]) ; CHECK-NEXT: br label [[LOOP]] ; entry: %n = and i16 %nn, 1323 br label %loop loop: call void @maythrow() %div = srem i16 %n, %x call void @use(i16 %div) br label %loop } define void @sdiv_ok(i16 %n, i16 %xx) { ; CHECK-LABEL: @sdiv_ok( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[XO:%.*]] = or i16 [[XX:%.*]], 1 ; CHECK-NEXT: [[X:%.*]] = and i16 [[XO]], 123 ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: call void @maythrow() ; CHECK-NEXT: [[DIV:%.*]] = sdiv i16 [[N:%.*]], [[X]] ; CHECK-NEXT: call void @use(i16 [[DIV]]) ; CHECK-NEXT: br label [[LOOP]] ; entry: %xo = or i16 %xx, 1 %x = and i16 %xo, 123 br label %loop loop: call void @maythrow() %div = sdiv i16 %n, %x call void @use(i16 %div) br label %loop } define void @srem_ok2(i16 %nn, i16 %xx) { ; CHECK-LABEL: @srem_ok2( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[N:%.*]] = and i16 [[NN:%.*]], 123 ; CHECK-NEXT: [[X:%.*]] = or i16 [[XX:%.*]], 1 ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: call void @maythrow() ; CHECK-NEXT: [[DIV:%.*]] = srem i16 [[N]], [[X]] ; CHECK-NEXT: call void @use(i16 [[DIV]]) ; CHECK-NEXT: br label [[LOOP]] ; entry: %n = and i16 %nn, 123 %x = or i16 %xx, 1 br label %loop loop: call void @maythrow() %div = srem i16 %n, %x call void @use(i16 %div) br label %loop } define void @udiv_not_ok(i16 %n, i16 %xx) { ; CHECK-LABEL: @udiv_not_ok( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[X:%.*]] = xor i16 [[XX:%.*]], 1 ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: call void @maythrow() ; CHECK-NEXT: [[DIV:%.*]] = udiv i16 [[N:%.*]], [[X]] ; CHECK-NEXT: call void @use(i16 [[DIV]]) ; CHECK-NEXT: br label [[LOOP]] ; entry: %x = xor i16 %xx, 1 br label %loop loop: call void @maythrow() %div = udiv i16 %n, %x call void @use(i16 %div) br label %loop } define void @udiv_ok(i16 %n, i16 %xx) { ; CHECK-LABEL: @udiv_ok( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[X:%.*]] = or i16 [[XX:%.*]], 1 ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: call void @maythrow() ; CHECK-NEXT: [[DIV:%.*]] = udiv i16 [[N:%.*]], [[X]] ; CHECK-NEXT: call void @use(i16 [[DIV]]) ; CHECK-NEXT: br label [[LOOP]] ; entry: %x = or i16 %xx, 1 br label %loop loop: call void @maythrow() %div = udiv i16 %n, %x call void @use(i16 %div) br label %loop }