; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; 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 {
; CHECK-LABEL: @f(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[THROW:%.*]]
; CHECK: throw:
; CHECK-NEXT: [[TMP96:%.*]] = getelementptr inbounds i8, i8* undef, i32 1
; CHECK-NEXT: invoke void @reserve()
; CHECK-NEXT: to label [[THROW]] unwind label [[PAD:%.*]]
; CHECK: pad:
; CHECK-NEXT: [[PHI2:%.*]] = phi i8* [ [[TMP96]], [[THROW]] ]
; CHECK-NEXT: [[CS:%.*]] = catchswitch within none [label %unreachable] unwind label [[BLAH2:%.*]]
; CHECK: unreachable:
; CHECK-NEXT: [[TMP0:%.*]] = catchpad within [[CS]] []
; CHECK-NEXT: unreachable
; CHECK: blah2:
; CHECK-NEXT: [[CLEANUPPADI4_I_I_I:%.*]] = cleanuppad within none []
; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, i8* [[PHI2]], i32 -1
; CHECK-NEXT: br label [[LOOP_BODY:%.*]]
; CHECK: loop_body:
; CHECK-NEXT: [[LSR_IV:%.*]] = phi i8* [ [[SCEVGEP1:%.*]], [[ITER:%.*]] ], [ [[SCEVGEP]], [[BLAH2]] ]
; CHECK-NEXT: [[SCEVGEP1]] = getelementptr i8, i8* [[LSR_IV]], i32 1
; CHECK-NEXT: [[TMP100:%.*]] = icmp eq i8* [[SCEVGEP1]], undef
; CHECK-NEXT: br i1 [[TMP100]], label [[UNWIND_OUT:%.*]], label [[ITER]]
; CHECK: iter:
; CHECK-NEXT: br i1 true, label [[UNWIND_OUT]], label [[LOOP_BODY]]
; CHECK: unwind_out:
; CHECK-NEXT: cleanupret from [[CLEANUPPADI4_I_I_I]] unwind to caller
;
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
}
define void @g() personality i32 (...)* @_except_handler3 {
; CHECK-LABEL: @g(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[THROW:%.*]]
; CHECK: throw:
; CHECK-NEXT: [[TMP96:%.*]] = getelementptr inbounds i8, i8* undef, i32 1
; CHECK-NEXT: invoke void @reserve()
; CHECK-NEXT: to label [[THROW]] unwind label [[PAD:%.*]]
; CHECK: pad:
; CHECK-NEXT: [[PHI2:%.*]] = phi i8* [ [[TMP96]], [[THROW]] ]
; CHECK-NEXT: [[CS:%.*]] = catchswitch within none [label [[UNREACHABLE:%.*]], label %blah] unwind to caller
; CHECK: unreachable:
; CHECK-NEXT: [[TMP0:%.*]] = catchpad within [[CS]] []
; CHECK-NEXT: unreachable
; CHECK: blah:
; CHECK-NEXT: [[CATCHPAD:%.*]] = catchpad within [[CS]] []
; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, i8* [[PHI2]], i32 -1
; CHECK-NEXT: br label [[LOOP_BODY:%.*]]
; CHECK: unwind_out:
; CHECK-NEXT: catchret from [[CATCHPAD]] to label [[LEAVE:%.*]]
; CHECK: leave:
; CHECK-NEXT: ret void
; CHECK: loop_body:
; CHECK-NEXT: [[LSR_IV:%.*]] = phi i8* [ [[SCEVGEP1:%.*]], [[ITER:%.*]] ], [ [[SCEVGEP]], [[BLAH:%.*]] ]
; CHECK-NEXT: [[SCEVGEP1]] = getelementptr i8, i8* [[LSR_IV]], i32 1
; CHECK-NEXT: [[TMP100:%.*]] = icmp eq i8* [[SCEVGEP1]], undef
; CHECK-NEXT: br i1 [[TMP100]], label [[UNWIND_OUT:%.*]], label [[ITER]]
; CHECK: iter:
; CHECK-NEXT: br i1 true, label [[UNWIND_OUT]], label [[LOOP_BODY]]
;
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
}
define void @h() personality i32 (...)* @_except_handler3 {
; CHECK-LABEL: @h(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[THROW:%.*]]
; CHECK: throw:
; CHECK-NEXT: [[TMP96:%.*]] = getelementptr inbounds i8, i8* undef, i32 1
; CHECK-NEXT: invoke void @reserve()
; CHECK-NEXT: to label [[THROW]] unwind label [[PAD:%.*]]
; CHECK: pad:
; CHECK-NEXT: [[CS:%.*]] = catchswitch within none [label [[UNREACHABLE:%.*]], label %blug] unwind to caller
; CHECK: unreachable:
; CHECK-NEXT: [[TMP0:%.*]] = catchpad within [[CS]] []
; CHECK-NEXT: unreachable
; CHECK: blug:
; CHECK-NEXT: [[PHI2:%.*]] = phi i8* [ [[TMP96]], [[PAD]] ]
; CHECK-NEXT: [[CATCHPAD:%.*]] = catchpad within [[CS]] []
; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, i8* [[PHI2]], i32 -1
; CHECK-NEXT: br label [[LOOP_BODY:%.*]]
; CHECK: unwind_out:
; CHECK-NEXT: catchret from [[CATCHPAD]] to label [[LEAVE:%.*]]
; CHECK: leave:
; CHECK-NEXT: ret void
; CHECK: loop_body:
; CHECK-NEXT: [[LSR_IV:%.*]] = phi i8* [ [[SCEVGEP1:%.*]], [[ITER:%.*]] ], [ [[SCEVGEP]], [[BLUG:%.*]] ]
; CHECK-NEXT: [[SCEVGEP1]] = getelementptr i8, i8* [[LSR_IV]], i32 1
; CHECK-NEXT: [[TMP100:%.*]] = icmp eq i8* [[SCEVGEP1]], undef
; CHECK-NEXT: br i1 [[TMP100]], label [[UNWIND_OUT:%.*]], label [[ITER]]
; CHECK: iter:
; CHECK-NEXT: br i1 true, label [[UNWIND_OUT]], label [[LOOP_BODY]]
;
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
}
define void @i() personality i32 (...)* @_except_handler3 {
; CHECK-LABEL: @i(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[THROW:%.*]]
; CHECK: throw:
; CHECK-NEXT: [[TMP96:%.*]] = getelementptr inbounds i8, i8* undef, i32 1
; CHECK-NEXT: invoke void @reserve()
; CHECK-NEXT: to label [[THROW]] unwind label [[CATCHPAD:%.*]]
; CHECK: catchpad:
; CHECK-NEXT: [[PHI2:%.*]] = phi i8* [ [[TMP96]], [[THROW]] ]
; CHECK-NEXT: [[CS:%.*]] = catchswitch within none [label %cp_body] unwind label [[CLEANUPPAD:%.*]]
; CHECK: cp_body:
; CHECK-NEXT: [[TMP0:%.*]] = catchpad within [[CS]] []
; CHECK-NEXT: br label [[LOOP_HEAD:%.*]]
; CHECK: cleanuppad:
; CHECK-NEXT: [[TMP1:%.*]] = cleanuppad within none []
; CHECK-NEXT: br label [[LOOP_HEAD]]
; CHECK: loop_head:
; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, i8* [[PHI2]], i32 -1
; CHECK-NEXT: br label [[LOOP_BODY:%.*]]
; CHECK: loop_body:
; CHECK-NEXT: [[LSR_IV:%.*]] = phi i8* [ [[SCEVGEP1:%.*]], [[ITER:%.*]] ], [ [[SCEVGEP]], [[LOOP_HEAD]] ]
; CHECK-NEXT: [[SCEVGEP1]] = getelementptr i8, i8* [[LSR_IV]], i32 1
; CHECK-NEXT: [[TMP100:%.*]] = icmp eq i8* [[SCEVGEP1]], undef
; CHECK-NEXT: br i1 [[TMP100]], label [[UNWIND_OUT:%.*]], label [[ITER]]
; CHECK: iter:
; CHECK-NEXT: br i1 true, label [[UNWIND_OUT]], label [[LOOP_BODY]]
; CHECK: unwind_out:
; CHECK-NEXT: unreachable
;
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
}
define void @test1(i32* %b, i32* %c) personality i32 (...)* @__CxxFrameHandler3 {
; CHECK-LABEL: @test1(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[FOR_COND:%.*]]
; CHECK: for.cond:
; CHECK-NEXT: [[D_0:%.*]] = phi i32* [ [[B:%.*]], [[ENTRY:%.*]] ], [ [[INCDEC_PTR:%.*]], [[FOR_INC:%.*]] ]
; CHECK-NEXT: invoke void @external(i32* [[D_0]])
; CHECK-NEXT: to label [[FOR_INC]] unwind label [[CATCH_DISPATCH:%.*]]
; CHECK: for.inc:
; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i32, i32* [[D_0]], i32 1
; CHECK-NEXT: br label [[FOR_COND]]
; CHECK: catch.dispatch:
; CHECK-NEXT: [[CS:%.*]] = catchswitch within none [label %catch] unwind label [[CATCH_DISPATCH_2:%.*]]
; CHECK: catch:
; CHECK-NEXT: [[TMP0:%.*]] = catchpad within [[CS]] [i8* null, i32 64, i8* null]
; CHECK-NEXT: catchret from [[TMP0]] to label [[TRY_CONT:%.*]]
; CHECK: try.cont:
; CHECK-NEXT: invoke void @external(i32* [[C:%.*]])
; CHECK-NEXT: to label [[TRY_CONT_7:%.*]] unwind label [[CATCH_DISPATCH_2]]
; CHECK: catch.dispatch.2:
; CHECK-NEXT: [[E_0:%.*]] = phi i32* [ [[C]], [[TRY_CONT]] ], [ [[B]], [[CATCH_DISPATCH]] ]
; CHECK-NEXT: [[CS2:%.*]] = catchswitch within none [label %catch.4] unwind to caller
; CHECK: catch.4:
; CHECK-NEXT: [[TMP1:%.*]] = catchpad within [[CS2]] [i8* null, i32 64, i8* null]
; CHECK-NEXT: unreachable
; CHECK: try.cont.7:
; CHECK-NEXT: ret void
;
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
}
define i32 @test2() personality i32 (...)* @_except_handler3 {
; CHECK-LABEL: @test2(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[PHI:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: invoke void @reserve()
; CHECK-NEXT: to label [[FOR_INC]] unwind label [[CATCH_DISPATCH:%.*]]
; CHECK: catch.dispatch:
; CHECK-NEXT: [[TMP18:%.*]] = catchswitch within none [label %catch.handler] unwind to caller
; CHECK: catch.handler:
; CHECK-NEXT: [[PHI_LCSSA:%.*]] = phi i32 [ [[PHI]], [[CATCH_DISPATCH]] ]
; CHECK-NEXT: [[TMP19:%.*]] = catchpad within [[TMP18]] [i8* null]
; CHECK-NEXT: catchret from [[TMP19]] to label [[DONE:%.*]]
; CHECK: done:
; CHECK-NEXT: ret i32 [[PHI_LCSSA]]
; CHECK: for.inc:
; CHECK-NEXT: [[INC]] = add i32 [[PHI]], 1
; CHECK-NEXT: br label [[FOR_BODY]]
;
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
}