| ; RUN: opt < %s -indvars -S > %t | |
| ; RUN: not grep sext %t | |
| ; RUN: grep phi %t | count 1 | |
| define void @foo(i64* nocapture %x, i32 %n) nounwind { | |
| entry: | |
| %tmp102 = icmp sgt i32 %n, 0 ; <i1> [#uses=1] | |
| br i1 %tmp102, label %bb.nph, label %return | |
| bb.nph: ; preds = %entry | |
| br label %bb | |
| bb: ; preds = %bb7, %bb.nph | |
| %i.01 = phi i32 [ %tmp6, %bb7 ], [ 0, %bb.nph ] ; <i32> [#uses=3] | |
| %tmp1 = sext i32 %i.01 to i64 ; <i64> [#uses=1] | |
| %tmp4 = getelementptr i64* %x, i32 %i.01 ; <i64*> [#uses=1] | |
| store i64 %tmp1, i64* %tmp4, align 8 | |
| %tmp6 = add i32 %i.01, 1 ; <i32> [#uses=2] | |
| br label %bb7 | |
| bb7: ; preds = %bb | |
| %tmp10 = icmp slt i32 %tmp6, %n ; <i1> [#uses=1] | |
| br i1 %tmp10, label %bb, label %bb7.return_crit_edge | |
| bb7.return_crit_edge: ; preds = %bb7 | |
| br label %return | |
| return: ; preds = %bb7.return_crit_edge, %entry | |
| ret void | |
| } |