File: loop-strength-reduce5.ll

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llvm 2.6-9.1
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; RUN: llvm-as < %s | llc -march=x86 | grep inc | count 1

@X = weak global i16 0		; <i16*> [#uses=1]
@Y = weak global i16 0		; <i16*> [#uses=1]

define void @foo(i32 %N) {
entry:
	%tmp1019 = icmp sgt i32 %N, 0		; <i1> [#uses=1]
	br i1 %tmp1019, label %bb, label %return

bb:		; preds = %bb, %entry
	%i.014.0 = phi i32 [ 0, %entry ], [ %indvar.next, %bb ]		; <i32> [#uses=2]
	%tmp1 = trunc i32 %i.014.0 to i16		; <i16> [#uses=2]
	volatile store i16 %tmp1, i16* @X, align 2
	%tmp34 = shl i16 %tmp1, 2		; <i16> [#uses=1]
	volatile store i16 %tmp34, i16* @Y, align 2
	%indvar.next = add i32 %i.014.0, 1		; <i32> [#uses=2]
	%exitcond = icmp eq i32 %indvar.next, %N		; <i1> [#uses=1]
	br i1 %exitcond, label %return, label %bb

return:		; preds = %bb, %entry
	ret void
}