| ; 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(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 { |
| 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 |
| } |
| |
| ; CHECK-LABEL: define void @test1( |
| ; CHECK: %[[CALL:.*]] = call i32 @pure_computation() |
| ; CHECK: phi i32 [ %[[CALL]] |
| |
| define void @test2(i32* %s, i1 %b) personality i32 (...)* @__CxxFrameHandler3 { |
| 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 |
| } |
| |
| ; CHECK-LABEL: define void @test2( |
| ; CHECK: %[[CP:.*]] = cleanuppad within none [] |
| ; CHECK-NEXT: %[[CALL:.*]] = call i32 @pure_computation() [ "funclet"(token %[[CP]]) ] |
| ; CHECK-NEXT: store i32 %[[CALL]], i32* %s |
| ; CHECK-NEXT: cleanupret from %[[CP]] unwind to caller |
| |
| define void @test3(i1 %a, i1 %b, i1 %c) personality i32 (...)* @__CxxFrameHandler3 { |
| 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 |
| } |
| |
| ; CHECK-LABEL: define void @test3( |
| ; CHECK-LABEL: forbody.preheader: |
| ; CHECK: store i32 1, i32* %bc, align 4 |
| ; CHECK: store i32 2, i32* %bc2, align 4 |
| ; CHECK: catchswitch within none |
| ; CHECK-LABEL: forbody: |
| |
| declare void @may_throw() |
| |
| declare i32 @pure_computation() nounwind argmemonly readonly |
| |
| declare i32 @__CxxFrameHandler3(...) |