; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -basic-aa -licm -S | FileCheck %s ; RUN: opt -aa-pipeline=tbaa,basic-aa -passes='require<aa>,require<targetir>,require<scalar-evolution>,require<opt-remark-emit>,loop-mssa(licm)' -S %s | FileCheck %s ; Make sure we don't hoist a conditionally-executed store out of the loop; ; it would violate the concurrency memory model @g = common global i32 0, align 4 define void @bar(i32 %n, i32 %b) nounwind uwtable ssp { ; CHECK-LABEL: @bar( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[B:%.*]], 0 ; CHECK-NEXT: [[G_PROMOTED:%.*]] = load i32, i32* @g, align 4 ; CHECK-NEXT: br label [[FOR_COND:%.*]] ; CHECK: for.cond: ; CHECK-NEXT: [[INC2:%.*]] = phi i32 [ [[G_PROMOTED]], [[ENTRY:%.*]] ], [ [[INC1:%.*]], [[FOR_INC:%.*]] ] ; CHECK-NEXT: [[I_0:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[INC5:%.*]], [[FOR_INC]] ] ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[I_0]], [[N:%.*]] ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]] ; CHECK: for.body: ; CHECK-NEXT: br i1 [[TOBOOL]], label [[FOR_INC]], label [[IF_THEN:%.*]] ; CHECK: if.then: ; CHECK-NEXT: [[INC:%.*]] = add nsw i32 [[INC2]], 1 ; CHECK-NEXT: store i32 [[INC]], i32* @g, align 4 ; CHECK-NEXT: br label [[FOR_INC]] ; CHECK: for.inc: ; CHECK-NEXT: [[INC1]] = phi i32 [ [[INC]], [[IF_THEN]] ], [ [[INC2]], [[FOR_BODY]] ] ; CHECK-NEXT: [[INC5]] = add nsw i32 [[I_0]], 1 ; CHECK-NEXT: br label [[FOR_COND]] ; CHECK: for.end: ; CHECK-NEXT: ret void ; entry: br label %for.cond for.cond: ; preds = %for.inc, %entry %i.0 = phi i32 [ 0, %entry ], [ %inc5, %for.inc ] %cmp = icmp slt i32 %i.0, %n br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %tobool = icmp eq i32 %b, 0 br i1 %tobool, label %for.inc, label %if.then if.then: ; preds = %for.body %tmp3 = load i32, i32* @g, align 4 %inc = add nsw i32 %tmp3, 1 store i32 %inc, i32* @g, align 4 br label %for.inc for.inc: ; preds = %for.body, %if.then %inc5 = add nsw i32 %i.0, 1 br label %for.cond for.end: ; preds = %for.cond ret void }