; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -licm -S | FileCheck %s ; RUN: opt -aa-pipeline=basic-aa -passes='require<aa>,require<targetir>,require<scalar-evolution>,require<opt-remark-emit>,loop-mssa(licm)' < %s -S | FileCheck %s target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" target triple = "i386-pc-windows-msvc18.0.0" define void @test1(i32* %s, i1 %b) personality i32 (...)* @__CxxFrameHandler3 { ; CHECK-LABEL: @test1( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = call i32 @pure_computation() ; CHECK-NEXT: br label [[WHILE_COND:%.*]] ; CHECK: while.cond: ; CHECK-NEXT: br i1 [[B:%.*]], label [[TRY_CONT_LOOPEXIT:%.*]], label [[WHILE_BODY:%.*]] ; CHECK: while.body: ; CHECK-NEXT: invoke void @may_throw() ; CHECK-NEXT: to label [[WHILE_COND]] unwind label [[CATCH_DISPATCH:%.*]] ; CHECK: catch.dispatch: ; CHECK-NEXT: [[DOTLCSSA1:%.*]] = phi i32 [ [[TMP0]], [[WHILE_BODY]] ] ; CHECK-NEXT: [[CS:%.*]] = catchswitch within none [label %catch] unwind to caller ; CHECK: catch: ; CHECK-NEXT: [[CP:%.*]] = catchpad within [[CS]] [i8* null, i32 64, i8* null] ; CHECK-NEXT: store i32 [[DOTLCSSA1]], i32* [[S:%.*]], align 4 ; CHECK-NEXT: catchret from [[CP]] to label [[TRY_CONT:%.*]] ; CHECK: try.cont.loopexit: ; CHECK-NEXT: br label [[TRY_CONT]] ; CHECK: try.cont: ; CHECK-NEXT: ret void ; entry: br label %while.cond while.cond: ; preds = %while.body, %entry %0 = call i32 @pure_computation() br i1 %b, label %try.cont, label %while.body while.body: ; preds = %while.cond invoke void @may_throw() to label %while.cond unwind label %catch.dispatch catch.dispatch: ; preds = %while.body %.lcssa1 = phi i32 [ %0, %while.body ] %cs = catchswitch within none [label %catch] unwind to caller catch: ; preds = %catch.dispatch %cp = catchpad within %cs [i8* null, i32 64, i8* null] store i32 %.lcssa1, i32* %s catchret from %cp to label %try.cont try.cont: ; preds = %catch, %while.cond ret void } define void @test2(i32* %s, i1 %b) personality i32 (...)* @__CxxFrameHandler3 { ; CHECK-LABEL: @test2( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[WHILE_COND:%.*]] ; CHECK: while.cond: ; CHECK-NEXT: br i1 [[B:%.*]], label [[TRY_CONT:%.*]], label [[WHILE_BODY:%.*]] ; CHECK: while.body: ; CHECK-NEXT: invoke void @may_throw() ; CHECK-NEXT: to label [[WHILE_COND]] unwind label [[CATCH_DISPATCH:%.*]] ; CHECK: catch.dispatch: ; CHECK-NEXT: [[CP:%.*]] = cleanuppad within none [] ; CHECK-NEXT: [[TMP0:%.*]] = call i32 @pure_computation() [ "funclet"(token [[CP]]) ] ; CHECK-NEXT: store i32 [[TMP0]], i32* [[S:%.*]], align 4 ; CHECK-NEXT: cleanupret from [[CP]] unwind to caller ; CHECK: try.cont: ; CHECK-NEXT: ret void ; entry: br label %while.cond while.cond: ; preds = %while.body, %entry %0 = call i32 @pure_computation() br i1 %b, label %try.cont, label %while.body while.body: ; preds = %while.cond invoke void @may_throw() to label %while.cond unwind label %catch.dispatch catch.dispatch: ; preds = %while.body %.lcssa1 = phi i32 [ %0, %while.body ] %cp = cleanuppad within none [] store i32 %.lcssa1, i32* %s cleanupret from %cp unwind to caller try.cont: ; preds = %catch, %while.cond ret void } define void @test3(i1 %a, i1 %b, i1 %c) personality i32 (...)* @__CxxFrameHandler3 { ; CHECK-LABEL: @test3( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[DOTFRAME:%.*]] = alloca i8, align 4 ; CHECK-NEXT: [[DOTFRAME2:%.*]] = alloca i8, align 4 ; CHECK-NEXT: [[BC:%.*]] = bitcast i8* [[DOTFRAME]] to i32* ; CHECK-NEXT: [[BC2:%.*]] = bitcast i8* [[DOTFRAME2]] to i32* ; CHECK-NEXT: br i1 [[A:%.*]], label [[TRY_SUCCESS_OR_CAUGHT:%.*]], label [[FORBODY_PREHEADER:%.*]] ; CHECK: forbody.preheader: ; CHECK-NEXT: store i32 1, i32* [[BC]], align 4 ; CHECK-NEXT: store i32 2, i32* [[BC2]], align 4 ; CHECK-NEXT: br label [[FORBODY:%.*]] ; CHECK: catch.object.Throwable: ; CHECK-NEXT: [[CP:%.*]] = catchpad within [[CS:%.*]] [i8* null, i32 64, i8* null] ; CHECK-NEXT: unreachable ; CHECK: try.success.or.caught.loopexit: ; CHECK-NEXT: br label [[TRY_SUCCESS_OR_CAUGHT]] ; CHECK: try.success.or.caught: ; CHECK-NEXT: ret void ; CHECK: postinvoke: ; CHECK-NEXT: br i1 [[B:%.*]], label [[ELSE:%.*]], label [[FORCOND_BACKEDGE:%.*]] ; CHECK: forcond.backedge: ; CHECK-NEXT: br i1 [[C:%.*]], label [[TRY_SUCCESS_OR_CAUGHT_LOOPEXIT:%.*]], label [[FORBODY]] ; CHECK: catch.dispatch: ; CHECK-NEXT: [[CS]] = catchswitch within none [label %catch.object.Throwable] unwind to caller ; CHECK: forbody: ; CHECK-NEXT: invoke void @may_throw() ; CHECK-NEXT: to label [[POSTINVOKE:%.*]] unwind label [[CATCH_DISPATCH:%.*]] ; CHECK: else: ; CHECK-NEXT: invoke void @may_throw() ; CHECK-NEXT: to label [[FORCOND_BACKEDGE]] unwind label [[CATCH_DISPATCH]] ; entry: %.frame = alloca i8, align 4 %.frame2 = alloca i8, align 4 %bc = bitcast i8* %.frame to i32* %bc2 = bitcast i8* %.frame2 to i32* br i1 %a, label %try.success.or.caught, label %forbody catch.object.Throwable: ; preds = %catch.dispatch %cp = catchpad within %cs [i8* null, i32 64, i8* null] unreachable try.success.or.caught: ; preds = %forcond.backedge, %0 ret void postinvoke: ; preds = %forbody br i1 %b, label %else, label %forcond.backedge forcond.backedge: ; preds = %else, %postinvoke br i1 %c, label %try.success.or.caught, label %forbody catch.dispatch: ; preds = %else, %forbody %cs = catchswitch within none [label %catch.object.Throwable] unwind to caller forbody: ; preds = %forcond.backedge, %0 store i32 1, i32* %bc, align 4 store i32 2, i32* %bc2, align 4 invoke void @may_throw() to label %postinvoke unwind label %catch.dispatch else: ; preds = %postinvoke invoke void @may_throw() to label %forcond.backedge unwind label %catch.dispatch } declare void @may_throw() declare i32 @pure_computation() nounwind argmemonly readonly willreturn declare i32 @__CxxFrameHandler3(...)