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24 lines
765 B
LLVM
24 lines
765 B
LLVM
; RUN: llc < %s -march=x86 | grep inc | count 1
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@X = weak global i16 0 ; <i16*> [#uses=1]
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@Y = weak global i16 0 ; <i16*> [#uses=1]
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define void @foo(i32 %N) nounwind {
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entry:
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%tmp1019 = icmp sgt i32 %N, 0 ; <i1> [#uses=1]
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br i1 %tmp1019, label %bb, label %return
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bb: ; preds = %bb, %entry
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%i.014.0 = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=2]
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%tmp1 = trunc i32 %i.014.0 to i16 ; <i16> [#uses=2]
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volatile store i16 %tmp1, i16* @X, align 2
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%tmp34 = shl i16 %tmp1, 2 ; <i16> [#uses=1]
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volatile store i16 %tmp34, i16* @Y, align 2
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%indvar.next = add i32 %i.014.0, 1 ; <i32> [#uses=2]
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%exitcond = icmp eq i32 %indvar.next, %N ; <i1> [#uses=1]
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br i1 %exitcond, label %return, label %bb
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return: ; preds = %bb, %entry
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ret void
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}
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