| ; RUN: opt < %s -indvars -S > %t |
| ; RUN: not grep sext %t |
| ; RUN: grep phi %t | count 1 |
| |
| ; Provide legal integer types. |
| target datalayout = "n8:16:32:64" |
| |
| |
| 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, 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 |
| } |