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|
; 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 ]
terminatepad [] unwind label %blah
blah:
catchpad [] to label %unreachable unwind label %blah3
unreachable:
unreachable
blah3:
catchendpad unwind label %blah2
blah2:
%cleanuppadi4.i.i.i = cleanuppad []
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 %cleanuppadi4.i.i.i unwind to caller
}
; CHECK-LABEL: define void @f(
; CHECK: cleanuppad []
; 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 ]
catchpad [] to label %unreachable unwind label %blah
unreachable:
unreachable
blah:
%catchpad = catchpad [] to label %loop_body unwind label %blah3
blah3:
catchendpad unwind to caller ;label %blah2
unwind_out:
catchret %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 []
; CHECK-NEXT: to label %loop_body.preheader
; CHECK: loop_body.preheader:
; 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:
catchpad [] to label %unreachable unwind label %blug
unreachable:
unreachable
blug:
%phi2 = phi i8* [ %tmp96, %pad ]
%catchpad = catchpad [] to label %blah2 unwind label %blah3
blah2:
br label %loop_body
blah3:
catchendpad unwind to caller ;label %blah2
unwind_out:
catchret %catchpad to label %leave
leave:
ret void
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
}
; CHECK-LABEL: define void @h(
; CHECK: blug:
; CHECK: catchpad []
; CHECK-NEXT: to label %blah2
; CHECK: blah2:
; 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 ]
catchpad [] to label %cp_body unwind label %catchendpad
cp_body:
br label %loop_head
catchendpad:
catchendpad unwind label %cleanuppad
cleanuppad:
cleanuppad []
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
%0 = catchpad [i8* null, i32 64, i8* null]
to label %catch unwind label %catchendblock
catchendblock: ; preds = %catch.dispatch
catchendpad unwind label %catch.dispatch.2
catch: ; preds = %catch.dispatch
catchret %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, %catchendblock ]
%1 = catchpad [i8* null, i32 64, i8* null]
to label %catch.4 unwind label %catchendblock.3
catch.4: ; preds = %catch.dispatch.2
unreachable
try.cont.7: ; preds = %try.cont
ret void
catchendblock.3: ; preds = %catch.dispatch.2
catchendpad unwind to caller
}
; CHECK-LABEL: define void @test1(
; CHECK: for.cond:
; CHECK: %d.0 = phi i32* [ %b, %entry ], [ %incdec.ptr, %for.inc ]
; CHECK: catchendpad unwind label %catch.dispatch.2
; CHECK: catch.dispatch.2:
; CHECK: %e.0 = phi i32* [ %c, %try.cont ], [ %b, %catchendblock ]
|
