1 ; RUN: opt < %s -indvars -S > %t
2 ; RUN: not grep sext %t
3 ; RUN: grep phi %t | count 1
5 ; Provide legal integer types.
6 target datalayout = "n8:16:32:64"
9 define void @foo(i64* nocapture %x, i32 %n) nounwind {
11 %tmp102 = icmp sgt i32 %n, 0 ; <i1> [#uses=1]
12 br i1 %tmp102, label %bb.nph, label %return
14 bb.nph: ; preds = %entry
17 bb: ; preds = %bb7, %bb.nph
18 %i.01 = phi i32 [ %tmp6, %bb7 ], [ 0, %bb.nph ] ; <i32> [#uses=3]
19 %tmp1 = sext i32 %i.01 to i64 ; <i64> [#uses=1]
20 %tmp4 = getelementptr i64, i64* %x, i32 %i.01 ; <i64*> [#uses=1]
21 store i64 %tmp1, i64* %tmp4, align 8
22 %tmp6 = add i32 %i.01, 1 ; <i32> [#uses=2]
26 %tmp10 = icmp slt i32 %tmp6, %n ; <i1> [#uses=1]
27 br i1 %tmp10, label %bb, label %bb7.return_crit_edge
29 bb7.return_crit_edge: ; preds = %bb7
32 return: ; preds = %bb7.return_crit_edge, %entry