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https://github.com/c64scene-ar/llvm-6502.git
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b1e1e82c54
of using llvm-as, now that opt supports this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
733 B
LLVM
25 lines
733 B
LLVM
; RUN: opt %s -lcssa | llvm-dis | \
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; RUN: grep {X3.lcssa = phi i32}
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; RUN: opt %s -lcssa | llvm-dis | \
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; RUN: grep {X4 = add i32 3, %X3.lcssa}
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define void @lcssa(i1 %S2) {
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entry:
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br label %loop.interior
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loop.interior: ; preds = %post.if, %entry
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br i1 %S2, label %if.true, label %if.false
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if.true: ; preds = %loop.interior
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%X1 = add i32 0, 0 ; <i32> [#uses=1]
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br label %post.if
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if.false: ; preds = %loop.interior
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%X2 = add i32 0, 1 ; <i32> [#uses=1]
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br label %post.if
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post.if: ; preds = %if.false, %if.true
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%X3 = phi i32 [ %X1, %if.true ], [ %X2, %if.false ] ; <i32> [#uses=1]
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br i1 %S2, label %loop.exit, label %loop.interior
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loop.exit: ; preds = %post.if
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%X4 = add i32 3, %X3 ; <i32> [#uses=0]
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ret void
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}
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