forked from OSchip/llvm-project
27 lines
1.2 KiB
LLVM
27 lines
1.2 KiB
LLVM
; RUN: llvm-upgrade < %s | llvm-as | opt -loop-reduce | llvm-dis | \
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; RUN: not grep {cast uint 1 to uint}
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; END.
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; The setlt wants to use a value that is incremented one more than the dominant
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; IV. Don't insert the 1 outside the loop, preventing folding it into the add.
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implementation ; Functions:
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void %test([700 x int]* %nbeaux_.0__558, int* %i_.16574) {
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then.0:
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br label %no_exit.2
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no_exit.2: ; preds = %no_exit.2, %then.0
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%indvar630 = phi uint [ 0, %then.0 ], [ %indvar.next631, %no_exit.2 ] ; <uint> [#uses=3]
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%indvar630 = cast uint %indvar630 to int ; <int> [#uses=1]
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%tmp.38 = getelementptr [700 x int]* %nbeaux_.0__558, int 0, uint %indvar630 ; <int*> [#uses=1]
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store int 0, int* %tmp.38
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%inc.2 = add int %indvar630, 2 ; <int> [#uses=2]
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%tmp.34 = setlt int %inc.2, 701 ; <bool> [#uses=1]
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%indvar.next631 = add uint %indvar630, 1 ; <uint> [#uses=1]
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br bool %tmp.34, label %no_exit.2, label %loopexit.2.loopexit
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loopexit.2.loopexit: ; preds = %no_exit.2
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store int %inc.2, int* %i_.16574
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ret void
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}
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