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