; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -passes='licm,guard-widening,licm' -verify-memoryssa -debug-pass-manager < %s 2>&1 | FileCheck %s ; Main point of this test is to check the scheduling -- there should be ; no analysis passes needed between LICM and LoopGuardWidening ; CHECK: LICMPass ; CHECK-NEXT: GuardWideningPass ; CHECK-NEXT: LICMPass declare void @llvm.experimental.guard(i1,...) define void @iter(i32 %a, i32 %b, i1* %c_p) { ; CHECK-LABEL: @iter( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[COND_0:%.*]] = icmp ult i32 [[A:%.*]], 10 ; CHECK-NEXT: [[COND_1:%.*]] = icmp ult i32 [[B:%.*]], 10 ; CHECK-NEXT: [[WIDE_CHK:%.*]] = and i1 [[COND_0]], [[COND_1]] ; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[WIDE_CHK]]) [ "deopt"() ] ; CHECK-NEXT: [[CND:%.*]] = load i1, i1* [[C_P:%.*]], align 1 ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: br i1 [[CND]], label [[LOOP]], label [[LEAVE_LOOPEXIT:%.*]] ; CHECK: leave.loopexit: ; CHECK-NEXT: br label [[LEAVE:%.*]] ; CHECK: leave: ; CHECK-NEXT: ret void ; entry: %cond_0 = icmp ult i32 %a, 10 call void (i1, ...) @llvm.experimental.guard(i1 %cond_0) [ "deopt"() ] br label %loop loop: ; preds = %loop.preheader, %loop %cond_1 = icmp ult i32 %b, 10 call void (i1, ...) @llvm.experimental.guard(i1 %cond_1) [ "deopt"() ] %cnd = load i1, i1* %c_p br i1 %cnd, label %loop, label %leave.loopexit leave.loopexit: ; preds = %loop br label %leave leave: ; preds = %leave.loopexit, %entry ret void } define void @within_loop(i32 %a, i32 %b, i1* %c_p) { ; CHECK-LABEL: @within_loop( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[COND_0:%.*]] = icmp ult i32 [[A:%.*]], 10 ; CHECK-NEXT: [[COND_1:%.*]] = icmp ult i32 [[B:%.*]], 10 ; CHECK-NEXT: [[WIDE_CHK:%.*]] = and i1 [[COND_0]], [[COND_1]] ; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[WIDE_CHK]]) [ "deopt"() ] ; CHECK-NEXT: [[CND:%.*]] = load i1, i1* [[C_P:%.*]], align 1 ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: br i1 [[CND]], label [[LOOP]], label [[LEAVE_LOOPEXIT:%.*]] ; CHECK: leave.loopexit: ; CHECK-NEXT: br label [[LEAVE:%.*]] ; CHECK: leave: ; CHECK-NEXT: ret void ; entry: br label %loop loop: ; preds = %loop.preheader, %loop %cond_0 = icmp ult i32 %a, 10 call void (i1, ...) @llvm.experimental.guard(i1 %cond_0) [ "deopt"() ] %cond_1 = icmp ult i32 %b, 10 call void (i1, ...) @llvm.experimental.guard(i1 %cond_1) [ "deopt"() ] %cnd = load i1, i1* %c_p br i1 %cnd, label %loop, label %leave.loopexit leave.loopexit: ; preds = %loop br label %leave leave: ; preds = %leave.loopexit, %entry ret void }