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| ; 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(...)
|