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https://github.com/c64scene-ar/llvm-6502.git
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fddaa3193c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50560 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
993 B
LLVM
24 lines
993 B
LLVM
; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis | \
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; RUN: not grep {bitcast i32 1 to i32}
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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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define void @test([700 x i32]* %nbeaux_.0__558, i32* %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 i32 [ 0, %then.0 ], [ %indvar.next631, %no_exit.2 ] ; <i32> [#uses=4]
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%gep.upgrd.1 = zext i32 %indvar630 to i64 ; <i64> [#uses=1]
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%tmp.38 = getelementptr [700 x i32]* %nbeaux_.0__558, i32 0, i64 %gep.upgrd.1 ; <i32*> [#uses=1]
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store i32 0, i32* %tmp.38
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%inc.2 = add i32 %indvar630, 2 ; <i32> [#uses=2]
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%tmp.34 = icmp slt i32 %inc.2, 701 ; <i1> [#uses=1]
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%indvar.next631 = add i32 %indvar630, 1 ; <i32> [#uses=1]
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br i1 %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 i32 %inc.2, i32* %i_.16574
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ret void
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}
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