; RUN: llc < %s -mtriple=x86_64-apple-darwin ; rdar://r6661945 %struct.WINDOW = type { i16, i16, i16, i16, i16, i16, i16, i32, i32, i8, i8, i8, i8, i8, i8, i8, i8, i8, i32, %struct.ldat*, i16, i16, i32, i32, %struct.WINDOW*, %struct.pdat, i16, %struct.cchar_t } %struct.cchar_t = type { i32, [5 x i32] } %struct.ldat = type { %struct.cchar_t*, i16, i16, i16 } %struct.pdat = type { i16, i16, i16, i16, i16, i16 } define i32 @pnoutrefresh(%struct.WINDOW* %win, i32 %pminrow, i32 %pmincol, i32 %sminrow, i32 %smincol, i32 %smaxrow, i32 %smaxcol) nounwind optsize ssp { entry: %0 = load i16* null, align 4 ; <i16> [#uses=2] %1 = icmp sgt i16 0, %0 ; <i1> [#uses=1] br i1 %1, label %bb12, label %bb13 bb12: ; preds = %entry %2 = sext i16 %0 to i32 ; <i32> [#uses=1] %3 = sub i32 %2, 0 ; <i32> [#uses=1] %4 = add i32 %3, %smaxrow ; <i32> [#uses=2] %5 = trunc i32 %4 to i16 ; <i16> [#uses=1] %6 = add i16 0, %5 ; <i16> [#uses=1] br label %bb13 bb13: ; preds = %bb12, %entry %pmaxrow.0 = phi i16 [ %6, %bb12 ], [ 0, %entry ] ; <i16> [#uses=0] %smaxrow_addr.0 = phi i32 [ %4, %bb12 ], [ %smaxrow, %entry ] ; <i32> [#uses=1] %7 = trunc i32 %smaxrow_addr.0 to i16 ; <i16> [#uses=0] ret i32 0 }