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1; RUN: llc < %s -mtriple=x86_64-apple-darwin2 3 %struct._Unwind_Context = type { }4 5define i32 @execute_stack_op(ptr %op_ptr, ptr %op_end, ptr %context, i64 %initial) {6entry:7 br i1 false, label %bb, label %return8 9bb: ; preds = %bb31, %entry10 br i1 false, label %bb6, label %bb3111 12bb6: ; preds = %bb13 %tmp10 = load i64, ptr null, align 8 ; <i64> [#uses=1]14 %tmp16 = load i64, ptr null, align 8 ; <i64> [#uses=1]15 br i1 false, label %bb23, label %bb3116 17bb23: ; preds = %bb618 %tmp2526.cast = and i64 %tmp16, 4294967295 ; <i64> [#uses=1]19 %tmp27 = ashr i64 %tmp10, %tmp2526.cast ; <i64> [#uses=1]20 br label %bb3121 22bb31: ; preds = %bb23, %bb6, %bb23 %result.0 = phi i64 [ %tmp27, %bb23 ], [ 0, %bb ], [ 0, %bb6 ] ; <i64> [#uses=0]24 br i1 false, label %bb, label %return25 26return: ; preds = %bb31, %entry27 ret i32 undef28}29