1 ; RUN: llc < %s -march=x86 | grep cmp | count 1 2 ; PR964 3 4 define i8* @FindChar(i8* %CurPtr) { 5 entry: 6 br label %bb 7 8 bb: ; preds = %bb, %entry 9 %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=3] 10 %CurPtr_addr.0.rec = bitcast i32 %indvar to i32 ; <i32> [#uses=1] 11 %gep.upgrd.1 = zext i32 %indvar to i64 ; <i64> [#uses=1] 12 %CurPtr_addr.0 = getelementptr i8, i8* %CurPtr, i64 %gep.upgrd.1 ; <i8*> [#uses=1] 13 %tmp = load i8, i8* %CurPtr_addr.0 ; <i8> [#uses=3] 14 %tmp2.rec = add i32 %CurPtr_addr.0.rec, 1 ; <i32> [#uses=1] 15 %tmp2 = getelementptr i8, i8* %CurPtr, i32 %tmp2.rec ; <i8*> [#uses=1] 16 %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] 17 switch i8 %tmp, label %bb [ 18 i8 0, label %bb7 19 i8 120, label %bb7 20 ] 21 22 bb7: ; preds = %bb, %bb 23 tail call void @foo( i8 %tmp ) 24 ret i8* %tmp2 25 } 26 27 declare void @foo(i8) 28 29