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41 lines
1.6 KiB
LLVM
41 lines
1.6 KiB
LLVM
; RUN: llvm-as < %s | opt -loop-index-split -stats -disable-output | not grep "loop-index-split"
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;PR2294
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@g_2 = external global i16 ; <i16*> [#uses=4]
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@g_5 = external global i32 ; <i32*> [#uses=1]
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@.str = external constant [4 x i8] ; <[4 x i8]*> [#uses=1]
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declare void @func_1() nounwind
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define i32 @main() nounwind {
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entry:
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%tmp101.i = load i16* @g_2, align 2 ; <i16> [#uses=1]
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%tmp112.i = icmp sgt i16 %tmp101.i, 0 ; <i1> [#uses=1]
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br i1 %tmp112.i, label %bb.preheader.i, label %func_1.exit
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bb.preheader.i: ; preds = %entry
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%g_2.promoted.i = load i16* @g_2 ; <i16> [#uses=1]
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br label %bb.i
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bb.i: ; preds = %bb6.i, %bb.preheader.i
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%g_2.tmp.0.i = phi i16 [ %g_2.promoted.i, %bb.preheader.i ], [ %tmp8.i, %bb6.i ] ; <i16> [#uses=2]
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%tmp2.i = icmp eq i16 %g_2.tmp.0.i, 0 ; <i1> [#uses=1]
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br i1 %tmp2.i, label %bb4.i, label %bb6.i
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bb4.i: ; preds = %bb.i
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%tmp5.i = volatile load i32* @g_5, align 4 ; <i32> [#uses=0]
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br label %bb6.i
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bb6.i: ; preds = %bb4.i, %bb.i
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%tmp8.i = add i16 %g_2.tmp.0.i, 1 ; <i16> [#uses=3]
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%tmp11.i = icmp sgt i16 %tmp8.i, 42 ; <i1> [#uses=1]
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br i1 %tmp11.i, label %bb.i, label %return.loopexit.i
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return.loopexit.i: ; preds = %bb6.i
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%tmp8.i.lcssa = phi i16 [ %tmp8.i, %bb6.i ] ; <i16> [#uses=1]
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store i16 %tmp8.i.lcssa, i16* @g_2
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br label %func_1.exit
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func_1.exit: ; preds = %return.loopexit.i, %entry
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%tmp1 = load i16* @g_2, align 2 ; <i16> [#uses=1]
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%tmp12 = sext i16 %tmp1 to i32 ; <i32> [#uses=1]
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%tmp3 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @.str, i32 0, i32 0), i32 %tmp12 ) nounwind ; <i32> [#uses=0]
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ret i32 0
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}
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declare i32 @printf(i8*, ...) nounwind
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