1 ; RUN: opt < %s -indvars -S > %t 2 ; RUN: not grep sext %t 3 ; RUN: grep phi %t | count 1 4 5 ; Provide legal integer types. 6 target datalayout = "n8:16:32:64" 7 8 9 define void @foo(i64* nocapture %x, i32 %n) nounwind { 10 entry: 11 %tmp102 = icmp sgt i32 %n, 0 ; <i1> [#uses=1] 12 br i1 %tmp102, label %bb.nph, label %return 13 14 bb.nph: ; preds = %entry 15 br label %bb 16 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] 23 br label %bb7 24 25 bb7: ; preds = %bb 26 %tmp10 = icmp slt i32 %tmp6, %n ; <i1> [#uses=1] 27 br i1 %tmp10, label %bb, label %bb7.return_crit_edge 28 29 bb7.return_crit_edge: ; preds = %bb7 30 br label %return 31 32 return: ; preds = %bb7.return_crit_edge, %entry 33 ret void 34 } 35
