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; RUN: opt < %s -lcssa -S | FileCheck %s
; RUN: opt < %s -passes=lcssa -S | FileCheck %s
; RUN: opt < %s -debugify -lcssa -S | FileCheck -check-prefix=CHECK2 %s
define void @lcssa(i1 %S2) {
; CHECK-LABEL: @lcssa
entry:
br label %loop.interior
loop.interior: ; preds = %post.if, %entry
br i1 %S2, label %if.true, label %if.false
if.true: ; preds = %loop.interior
%X1 = add i32 0, 0 ; <i32> [#uses=1]
br label %post.if
if.false: ; preds = %loop.interior
%X2 = add i32 0, 1 ; <i32> [#uses=1]
br label %post.if
post.if: ; preds = %if.false, %if.true
%X3 = phi i32 [ %X1, %if.true ], [ %X2, %if.false ] ; <i32> [#uses=1]
br i1 %S2, label %loop.exit, label %loop.interior
loop.exit: ; preds = %post.if
; CHECK: %X3.lcssa = phi i32
; CHECK2: call void @llvm.dbg.value(metadata i32 %X3.lcssa
; CHECK: %X4 = add i32 3, %X3.lcssa
%X4 = add i32 3, %X3 ; <i32> [#uses=0]
ret void
}
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