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32 lines
1.2 KiB
LLVM
32 lines
1.2 KiB
LLVM
; RUN: llvm-as < %s | opt -loop-unswitch -disable-output
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define i32 @test(i32* %A, i1 %C) {
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entry:
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br label %no_exit
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no_exit: ; preds = %no_exit.backedge, %entry
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%i.0.0 = phi i32 [ 0, %entry ], [ %i.0.0.be, %no_exit.backedge ] ; <i32> [#uses=3]
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%gep.upgrd.1 = zext i32 %i.0.0 to i64 ; <i64> [#uses=1]
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%tmp.7 = getelementptr i32* %A, i64 %gep.upgrd.1 ; <i32*> [#uses=4]
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%tmp.13 = load i32* %tmp.7 ; <i32> [#uses=2]
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%tmp.14 = add i32 %tmp.13, 1 ; <i32> [#uses=1]
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store i32 %tmp.14, i32* %tmp.7
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br i1 %C, label %then, label %endif
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then: ; preds = %no_exit
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%tmp.29 = load i32* %tmp.7 ; <i32> [#uses=1]
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%tmp.30 = add i32 %tmp.29, 2 ; <i32> [#uses=1]
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store i32 %tmp.30, i32* %tmp.7
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%inc9 = add i32 %i.0.0, 1 ; <i32> [#uses=2]
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%tmp.112 = icmp ult i32 %inc9, 100000 ; <i1> [#uses=1]
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br i1 %tmp.112, label %no_exit.backedge, label %return
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no_exit.backedge: ; preds = %endif, %then
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%i.0.0.be = phi i32 [ %inc9, %then ], [ %inc, %endif ] ; <i32> [#uses=1]
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br label %no_exit
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endif: ; preds = %no_exit
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%inc = add i32 %i.0.0, 1 ; <i32> [#uses=2]
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%tmp.1 = icmp ult i32 %inc, 100000 ; <i1> [#uses=1]
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br i1 %tmp.1, label %no_exit.backedge, label %return
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return: ; preds = %endif, %then
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ret i32 %tmp.13
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}
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