| ; RUN: opt < %s -loop-reduce -S | FileCheck %s |
| |
| target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" |
| target triple = "i686-pc-windows-msvc" |
| |
| declare i32 @_except_handler3(...) |
| declare i32 @__CxxFrameHandler3(...) |
| |
| declare void @external(i32*) |
| declare void @reserve() |
| |
| define void @f() personality i32 (...)* @_except_handler3 { |
| entry: |
| br label %throw |
| |
| throw: ; preds = %throw, %entry |
| %tmp96 = getelementptr inbounds i8, i8* undef, i32 1 |
| invoke void @reserve() |
| to label %throw unwind label %pad |
| |
| pad: ; preds = %throw |
| %phi2 = phi i8* [ %tmp96, %throw ] |
| %cs = catchswitch within none [label %unreachable] unwind label %blah2 |
| |
| unreachable: |
| catchpad within %cs [] |
| unreachable |
| |
| blah2: |
| %cleanuppadi4.i.i.i = cleanuppad within none [] |
| br label %loop_body |
| |
| loop_body: ; preds = %iter, %pad |
| %tmp99 = phi i8* [ %tmp101, %iter ], [ %phi2, %blah2 ] |
| %tmp100 = icmp eq i8* %tmp99, undef |
| br i1 %tmp100, label %unwind_out, label %iter |
| |
| iter: ; preds = %loop_body |
| %tmp101 = getelementptr inbounds i8, i8* %tmp99, i32 1 |
| br i1 undef, label %unwind_out, label %loop_body |
| |
| unwind_out: ; preds = %iter, %loop_body |
| cleanupret from %cleanuppadi4.i.i.i unwind to caller |
| } |
| |
| ; CHECK-LABEL: define void @f( |
| ; CHECK: cleanuppad within none [] |
| ; CHECK-NEXT: ptrtoint i8* %phi2 to i32 |
| |
| define void @g() personality i32 (...)* @_except_handler3 { |
| entry: |
| br label %throw |
| |
| throw: ; preds = %throw, %entry |
| %tmp96 = getelementptr inbounds i8, i8* undef, i32 1 |
| invoke void @reserve() |
| to label %throw unwind label %pad |
| |
| pad: |
| %phi2 = phi i8* [ %tmp96, %throw ] |
| %cs = catchswitch within none [label %unreachable, label %blah] unwind to caller |
| |
| unreachable: |
| catchpad within %cs [] |
| unreachable |
| |
| blah: |
| %catchpad = catchpad within %cs [] |
| br label %loop_body |
| |
| unwind_out: |
| catchret from %catchpad to label %leave |
| |
| leave: |
| ret void |
| |
| loop_body: ; preds = %iter, %pad |
| %tmp99 = phi i8* [ %tmp101, %iter ], [ %phi2, %blah ] |
| %tmp100 = icmp eq i8* %tmp99, undef |
| br i1 %tmp100, label %unwind_out, label %iter |
| |
| iter: ; preds = %loop_body |
| %tmp101 = getelementptr inbounds i8, i8* %tmp99, i32 1 |
| br i1 undef, label %unwind_out, label %loop_body |
| } |
| |
| ; CHECK-LABEL: define void @g( |
| ; CHECK: blah: |
| ; CHECK-NEXT: catchpad within %cs [] |
| ; CHECK-NEXT: ptrtoint i8* %phi2 to i32 |
| |
| |
| define void @h() personality i32 (...)* @_except_handler3 { |
| entry: |
| br label %throw |
| |
| throw: ; preds = %throw, %entry |
| %tmp96 = getelementptr inbounds i8, i8* undef, i32 1 |
| invoke void @reserve() |
| to label %throw unwind label %pad |
| |
| pad: |
| %cs = catchswitch within none [label %unreachable, label %blug] unwind to caller |
| |
| unreachable: |
| catchpad within %cs [] |
| unreachable |
| |
| blug: |
| %phi2 = phi i8* [ %tmp96, %pad ] |
| %catchpad = catchpad within %cs [] |
| br label %loop_body |
| |
| unwind_out: |
| catchret from %catchpad to label %leave |
| |
| leave: |
| ret void |
| |
| loop_body: ; preds = %iter, %pad |
| %tmp99 = phi i8* [ %tmp101, %iter ], [ %phi2, %blug ] |
| %tmp100 = icmp eq i8* %tmp99, undef |
| br i1 %tmp100, label %unwind_out, label %iter |
| |
| iter: ; preds = %loop_body |
| %tmp101 = getelementptr inbounds i8, i8* %tmp99, i32 1 |
| br i1 undef, label %unwind_out, label %loop_body |
| } |
| |
| ; CHECK-LABEL: define void @h( |
| ; CHECK: blug: |
| ; CHECK: catchpad within %cs [] |
| ; CHECK-NEXT: ptrtoint i8* %phi2 to i32 |
| |
| define void @i() personality i32 (...)* @_except_handler3 { |
| entry: |
| br label %throw |
| |
| throw: ; preds = %throw, %entry |
| %tmp96 = getelementptr inbounds i8, i8* undef, i32 1 |
| invoke void @reserve() |
| to label %throw unwind label %catchpad |
| |
| catchpad: ; preds = %throw |
| %phi2 = phi i8* [ %tmp96, %throw ] |
| %cs = catchswitch within none [label %cp_body] unwind label %cleanuppad |
| |
| cp_body: |
| catchpad within %cs [] |
| br label %loop_head |
| |
| cleanuppad: |
| cleanuppad within none [] |
| br label %loop_head |
| |
| loop_head: |
| br label %loop_body |
| |
| loop_body: ; preds = %iter, %catchpad |
| %tmp99 = phi i8* [ %tmp101, %iter ], [ %phi2, %loop_head ] |
| %tmp100 = icmp eq i8* %tmp99, undef |
| br i1 %tmp100, label %unwind_out, label %iter |
| |
| iter: ; preds = %loop_body |
| %tmp101 = getelementptr inbounds i8, i8* %tmp99, i32 1 |
| br i1 undef, label %unwind_out, label %loop_body |
| |
| unwind_out: ; preds = %iter, %loop_body |
| unreachable |
| } |
| |
| ; CHECK-LABEL: define void @i( |
| ; CHECK: ptrtoint i8* %phi2 to i32 |
| |
| define void @test1(i32* %b, i32* %c) personality i32 (...)* @__CxxFrameHandler3 { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc, %entry |
| %d.0 = phi i32* [ %b, %entry ], [ %incdec.ptr, %for.inc ] |
| invoke void @external(i32* %d.0) |
| to label %for.inc unwind label %catch.dispatch |
| |
| for.inc: ; preds = %for.cond |
| %incdec.ptr = getelementptr inbounds i32, i32* %d.0, i32 1 |
| br label %for.cond |
| |
| catch.dispatch: ; preds = %for.cond |
| %cs = catchswitch within none [label %catch] unwind label %catch.dispatch.2 |
| |
| catch: ; preds = %catch.dispatch |
| %0 = catchpad within %cs [i8* null, i32 64, i8* null] |
| catchret from %0 to label %try.cont |
| |
| try.cont: ; preds = %catch |
| invoke void @external(i32* %c) |
| to label %try.cont.7 unwind label %catch.dispatch.2 |
| |
| catch.dispatch.2: ; preds = %try.cont, %catchendblock |
| %e.0 = phi i32* [ %c, %try.cont ], [ %b, %catch.dispatch ] |
| %cs2 = catchswitch within none [label %catch.4] unwind to caller |
| |
| catch.4: ; preds = %catch.dispatch.2 |
| catchpad within %cs2 [i8* null, i32 64, i8* null] |
| unreachable |
| |
| try.cont.7: ; preds = %try.cont |
| ret void |
| } |
| |
| ; CHECK-LABEL: define void @test1( |
| ; CHECK: for.cond: |
| ; CHECK: %d.0 = phi i32* [ %b, %entry ], [ %incdec.ptr, %for.inc ] |
| |
| ; CHECK: catch.dispatch.2: |
| ; CHECK: %e.0 = phi i32* [ %c, %try.cont ], [ %b, %catch.dispatch ] |
| |
| define i32 @test2() personality i32 (...)* @_except_handler3 { |
| entry: |
| br label %for.body |
| |
| for.body: ; preds = %for.inc, %entry |
| %phi = phi i32 [ %inc, %for.inc ], [ 0, %entry ] |
| invoke void @reserve() |
| to label %for.inc unwind label %catch.dispatch |
| |
| catch.dispatch: ; preds = %for.body |
| %tmp18 = catchswitch within none [label %catch.handler] unwind to caller |
| |
| catch.handler: ; preds = %catch.dispatch |
| %phi.lcssa = phi i32 [ %phi, %catch.dispatch ] |
| %tmp19 = catchpad within %tmp18 [i8* null] |
| catchret from %tmp19 to label %done |
| |
| done: |
| ret i32 %phi.lcssa |
| |
| for.inc: ; preds = %for.body |
| %inc = add i32 %phi, 1 |
| br label %for.body |
| } |
| |
| ; CHECK-LABEL: define i32 @test2( |
| ; CHECK: %phi.lcssa = phi i32 [ %phi, %catch.dispatch ] |
| ; CHECK-NEXT: catchpad within |
